/* ========================================
   CSS VARIABLES & DESIGN TOKENS
   ======================================== */
:root {
    /* Default Dark Theme */
    --color-bg-primary: #0f0f0f;
    --color-bg-secondary: #171717;
    --color-bg-tertiary: #202020;
    --color-bg-hover: #2a2a2a;
    --color-bg-active: #343434;

    --color-text-primary: #ececec;
    --color-text-secondary: #b4b4b4;
    --color-text-tertiary: #8e8e8e;

    --color-accent-primary: #10a37f;
    --color-accent-hover: #0d8f6f;
    --color-accent-active: #0a7a5f;

    --color-border-primary: #2f2f2f;
    --color-border-secondary: #404040;

    /* Error Colors */
    --color-error-bg: rgba(239, 68, 68, 0.1);
    --color-error-text: #ef4444;
    --color-error-border: rgba(239, 68, 68, 0.3);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #10a37f 0%, #0d8f6f 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(15, 15, 15, 0) 0%, rgba(15, 15, 15, 0.8) 100%);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.5);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;

    /* Layout */
    --sidebar-width: 260px;
    --sidebar-width-collapsed: 60px;
    --sidebar-width-mobile: 280px;
    --header-height: 60px;

    /* Dynamic Style Variables (Default Dark) */
    --sidebar-header-font-family: var(--font-family);
    --sidebar-header-font-size: 0.75rem;
    --sidebar-header-font-weight: 700;
    --sidebar-header-line-height: 1.2;
    --sidebar-header-text-transform: uppercase;
    --sidebar-header-letter-spacing: 0.05em;
    --sidebar-item-gap: 4px;
}

/* Light Theme Overrides */
[data-theme="light"] {
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f9f9f9;
    --color-bg-tertiary: #f0f0f0;
    --color-bg-hover: #e5e5e5;
    --color-bg-active: #dbdbdb;

    --color-text-primary: #202123;
    --color-text-secondary: #6e6e80;
    --color-text-tertiary: #9a9a9a;

    --color-border-primary: #e5e5e5;
    --color-border-secondary: #d1d1d1;

    --color-accent-primary: #10a37f;
    --color-accent-hover: #1a7f64;
    --color-accent-active: #156a52;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Dynamic Style Variables (Light Overrides) */
    --sidebar-header-font-family: var(--font-family);
    --sidebar-header-font-size: 0.75rem;
    --sidebar-header-font-weight: 700;
    --sidebar-header-line-height: 1.2;
    --sidebar-header-text-transform: uppercase;
    --sidebar-header-letter-spacing: 0.05em;
    --sidebar-item-gap: 4px;
}

/* Persistent Styles Sidebar */
/* Global Persistent Styles Sidebar - NO OVERLAY MODE */
.persistent-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: 420px;
    height: 100vh;
    background: #121212 !important;
    /* Solid background for clarity */
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 1px solid var(--color-border-primary);
}

.persistent-sidebar.active {
    transform: translateX(0);
}

/* Internal styles for persistent-sidebar are handled within styles.php */

/* Small UI adjustments for sidebar mode */
.persistent-sidebar .style-auto-input {
    height: 32px;
    font-size: 0.8rem;
    padding: 4px 8px;
}

.persistent-sidebar label {
    font-size: 0.65rem !important;
}



.persistent-sidebar-overlay {
    display: none;
}


/* ========================================
   RESET & BASE STYLES
   ======================================== */
.sidebar-section-title {
    font-family: var(--sidebar-header-font-family);
    font-size: var(--sidebar-header-font-size);
    font-weight: var(--sidebar-header-font-weight);
    line-height: var(--sidebar-header-line-height);
    text-transform: var(--sidebar-header-text-transform);
    letter-spacing: var(--sidebar-header-letter-spacing);
    color: var(--color-text-primary);
    margin: 0;
}

.file-tree,
.project-tree-container,
#chats-list,
#shared-chats-list,
#chats-list>div,
#shared-chats-list>div {
    display: flex;
    flex-direction: column;
    gap: var(--sidebar-item-gap);
    align-items: stretch;
    justify-content: flex-start;
    text-align: left;
    width: 100%;
}

.sidebar-section-header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 4px 8px;
    /* Slightly tighter */
    margin-bottom: 2px;
    gap: 10px;
    /* Better gap between icon and text */
    transition: background-color 0.2s;
    border-radius: var(--radius-md);
    cursor: pointer;
    min-height: 32px;
    user-select: none;
}

.sidebar-section-header:hover {
    background-color: var(--color-bg-hover);
}

.sidebar-section-header .section-collapse-toggle {
    opacity: 0;
    transition: all 0.2s ease;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary);
    order: 10;
    margin-left: auto;
    margin-top: 1px;
}

.sidebar-section-header:hover .section-collapse-toggle {
    opacity: 1;
}

.sidebar-section {
    border: none !important;
    box-shadow: none !important;
}

.sidebar-section-header .section-collapse-toggle svg {
    transition: transform 0.2s ease;
    transform: rotate(0deg);
}

.sidebar-section.collapsed .section-collapse-toggle svg {
    transform: rotate(-90deg);
}

.sidebar-section-header .section-collapse-toggle:hover {
    color: var(--color-text-primary);
    background-color: var(--color-bg-tertiary);
    border-radius: 4px;
}

/* Section icon as drag trigger */
.sidebar-section-icon[title="Arrastrar para reordenar"] {
    cursor: grab;
}

.sidebar-section-icon[title="Arrastrar para reordenar"]:active {
    cursor: grabbing;
}

/* Drag states */
.sidebar-section.dragging {
    opacity: 0.2;
    background: var(--color-surface-hover);
    pointer-events: none;
    /* Let events pass through dragging element */
}

/* Create the "gap" effect */
.sidebar-section.drag-over-top {
    padding-top: 50px !important;
    /* Adjust based on section height */
    transition: padding 0.2s ease;
}

.sidebar-section.drag-over-top::before {
    content: 'Soltar aquí';
    position: absolute;
    top: 5px;
    left: 10px;
    right: 10px;
    height: 40px;
    background: rgba(var(--color-primary-rgb), 0.1);
    border: 2px dashed var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 500;
    z-index: 10;
}

.sidebar-section.drag-over-bottom {
    padding-bottom: 50px !important;
    transition: padding 0.2s ease;
}

.sidebar-section.drag-over-bottom::after {
    content: 'Soltar aquí';
    position: absolute;
    bottom: 5px;
    left: 10px;
    right: 10px;
    height: 40px;
    background: rgba(var(--color-primary-rgb), 0.1);
    border: 2px dashed var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 500;
    z-index: 10;
}


.sidebar-section-icon {
    flex-shrink: 0;
    color: var(--color-text-tertiary);
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: -2px;
}

.sidebar-section-header .sidebar-section-title {
    flex: 1;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    margin: 0;
    pointer-events: none;
    /* Let header handle click */
}


.sidebar-action-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: 4px;
    color: var(--color-text-tertiary);
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.sidebar-action-icon:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

/* ========================================
   STYLES PANEL UI
   ======================================== */
.style-accordion {
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 0.75rem;
    background: var(--color-bg-secondary);
}

.accordion-header {
    padding: 0.75rem 1rem;
    background: var(--color-bg-tertiary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid transparent;
    transition: all 0.2s;
}

.accordion-item.active .accordion-header {
    border-bottom-color: var(--color-border-primary);
    background: var(--color-bg-hover);
}

.accordion-header:hover {
    background: var(--color-bg-hover);
}

.accordion-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.accordion-content {
    padding: 1rem;
    display: none;
}

.accordion-item.active .accordion-content {
    display: block;
}

.accordion-icon {
    transition: transform 0.3s;
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

/* Colors Table Layout */
.color-grid-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 1.5rem;
    padding: 0.75rem 0;
    border-bottom: 2px solid var(--color-border-primary);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
}

.color-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 1.5rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--color-border-primary);
    align-items: center;
}

.color-info h4 {
    margin: 0 0 0.25rem 0;
    font-size: 0.95rem;
}

.color-info p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
}

/* Responsive Control Grid */
.responsive-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

/* Tablet or Sidebar mode if constrained */
@media (max-width: 500px) {
    .responsive-grid {
        grid-template-columns: 1fr;
    }
}

.save-status {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-primary);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.save-status.visible {
    opacity: 1;
    transform: translateY(0);
}


.spinner-small {
    width: 14px;
    height: 14px;
    border: 2px solid var(--color-text-tertiary);
    border-top-color: var(--color-accent-primary, #10a37f);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.color-variable-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-bg-tertiary);
    padding: 4px 8px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-primary);
}

.color-preview-circle {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.save-status .spinner {
    width: 14px;
    height: 14px;
    border: 2px solid var(--color-text-tertiary);
    border-top-color: var(--color-accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

input,
textarea,
select {
    font-family: inherit;
    color: inherit;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ========================================
   LOGIN SCREEN
   ======================================== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: var(--color-bg-primary);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.login-box {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.logo-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: white;
}

.login-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-header p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-group input,
.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-control:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(16, 163, 127, 0.1);
}

.form-group input::placeholder {
    color: var(--color-text-tertiary);
}

.form-control {
    background: var(--color-bg-tertiary);
}

.form-control option {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.form-help-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-top: var(--spacing-sm);
    line-height: 1.5;
}

.error-message {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1rem;
    background: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
    border-radius: var(--radius-md);
    color: var(--color-error-text);
    font-size: var(--font-size-sm);
    animation: shake 0.4s ease-in-out;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-10px);
    }

    75% {
        transform: translateX(10px);
    }
}

/* Password Toggle Wrapper */
.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.password-wrapper input {
    padding-right: 2.5rem !important;
    /* Make space for the icon */
}

.password-toggle-icon {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
    z-index: 5;
}

.password-toggle-icon:hover {
    color: var(--color-text-primary);
}

.error-message svg {
    flex-shrink: 0;
}

.btn-login,
.btn {
    padding: 0.875rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-login,
.btn-primary {
    background: var(--gradient-accent);
    color: white;
}

.btn-secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-primary);
}

.btn:hover,
.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:active,
.btn-login:active {
    transform: translateY(0);
}

.btn:disabled,
.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-loader {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.spinner-circle {
    stroke-dasharray: 50;
    stroke-dashoffset: 25;
    animation: dash 1.5s ease-in-out infinite;
}

@keyframes dash {
    0% {
        stroke-dashoffset: 50;
    }

    50% {
        stroke-dashoffset: 12.5;
    }

    100% {
        stroke-dashoffset: 50;
    }
}

/* ========================================
   CHAT CONVERSATION IMPROVEMENTS
   ======================================== */

/* Microphone Animation */
.btn-chat-mic.recording {
    color: var(--color-error-text) !important;
    background: var(--color-error-bg);
    animation: mic-pulse 1.5s infinite;
}

@keyframes mic-pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
    }

    70% {
        transform: scale(1.1);
        box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    }
}

.message {
    max-width: 85% !important;
    margin-bottom: 1.5rem !important;
    padding: 1.25rem 1.5rem !important;
    border-radius: 1.25rem;
    position: relative;
    transition: transform 0.2s ease;
    word-break: break-word;
    overflow-wrap: break-word;
}

.message-user {
    align-self: flex-end;
    background: var(--gradient-accent) !important;
    color: white !important;
    border-bottom-right-radius: 0.25rem;
    box-shadow: var(--shadow-md);
}

.message-user .message-timestamp {
    color: rgba(255, 255, 255, 0.7) !important;
}

.message-ai {
    align-self: flex-start;
    background: var(--color-bg-secondary) !important;
    border: 1px solid var(--color-border-primary);
    border-bottom-left-radius: 0.25rem;
    box-shadow: var(--shadow-sm);
    width: fit-content;
    max-width: 85% !important;
    box-sizing: border-box;
}

.message-content {
    font-size: 1rem !important;
    line-height: 1.6 !important;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

.message-content table {
    display: block;
    width: 110%;
    /* Slight overflow allowed inside bubble for scrolling */
    max-width: 100%;
    overflow-x: auto;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
    scrollbar-width: thin;
}

.message-content table th,
.message-content table td {
    padding: 8px 12px;
    border: 1px solid var(--color-border-primary);
    text-align: left;
    min-width: 120px;
}

.message-content pre,
.message-content code {
    white-space: pre-wrap;
    word-break: break-word;
    max-width: 100%;
    background: var(--color-bg-tertiary);
    padding: 2px 4px;
    border-radius: 4px;
    font-family: monospace;
}

.message-content h1,
.message-content h2,
.message-content h3 {
    margin: 1rem 0 0.5rem 0;
    line-height: 1.2;
}

.message-content h1 {
    font-size: 1.5rem;
}

.message-content h2 {
    font-size: 1.25rem;
}

.message-content h3 {
    font-size: 1.1rem;
}

/* AI Message Actions */
.message-actions {
    position: absolute;
    bottom: -1.25rem;
    left: 0.5rem;
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    transform: translateY(-5px);
    z-index: 10;
}

.message-ai:hover .message-actions {
    opacity: 1;
    transform: translateY(0);
}

.btn-msg-action {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-primary);
    color: var(--color-text-tertiary);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-msg-action:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
    border-color: var(--color-accent-primary);
}

/* Typing Animation */
.typing-dots {
    display: flex;
    gap: 4px;
    padding: 4px 8px;
    align-items: center;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background: var(--color-accent-primary);
    border-radius: 50%;
    animation: typing-bounce 1.4s infinite ease-in-out both;
}

.typing-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typing-bounce {

    0%,
    80%,
    100% {
        transform: scale(0);
    }

    40% {
        transform: scale(1.0);
    }
}

/* Resource Link Enhancements */
.res-pill-link {
    display: flex;
    align-items: center;
    gap: 4px;
    text-decoration: none !important;
    color: inherit !important;
    transition: color 0.2s;
}

.res-pill-link:hover {
    color: var(--color-accent-primary) !important;
}

/* TTS Floating Controls */
.tts-floating-controls {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-primary);
    padding: 6px 12px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    position: absolute;
    bottom: -2.8rem;
    left: 0.5rem;
    z-index: 100;
    width: auto;
    white-space: nowrap;
}

.tts-floating-controls button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    border-radius: 6px;
    color: var(--color-text-secondary);
    transition: all 0.2s;
    background: transparent;
    border: none;
    cursor: pointer;
}

.tts-floating-controls button:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.tts-speed-control {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-left: 10px;
    border-left: 1px solid var(--color-border-primary);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.tts-speed-control label {
    font-weight: 500;
    white-space: nowrap;
    margin: 0;
}

.tts-speed-control select {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-primary);
    border-radius: 4px;
    color: var(--color-text-primary);
    font-size: 0.8rem;
    padding: 2px 4px;
    outline: none;
    cursor: pointer;
}

/* Restored Core Layout Styles */
.chat-interface {
    --sidebar-width-mobile: 100%;
    --sidebar-collapsed-width: 60px;
    --header-height: 60px;
    --transition-base: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    height: 100vh;
    overflow: hidden;
}

.sidebar-resizer {
    width: 10px;
    background: transparent;
    position: absolute;
    right: -5px;
    top: 0;
    bottom: 0;
    cursor: col-resize;
    z-index: 200;
}

.sidebar-resizer::after {
    content: '';
    position: absolute;
    left: 3px;
    width: 4px;
    top: 0;
    bottom: 0;
    background: transparent;
    transition: background 0.2s;
}

.sidebar-resizer:hover::after,
.sidebar-resizer.resizing::after {
    background: var(--color-accent-primary);
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border-primary);
    display: flex;
    flex-direction: column;
    transition: width 0.1s ease;
    position: relative;
    flex-shrink: 0;
    z-index: 100;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width) !important;
}

.sidebar.collapsed .sidebar-title,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .section-title,
.sidebar.collapsed .user-info,
.sidebar.collapsed .chevron,
.sidebar.collapsed .projects-list,
.sidebar.collapsed .chat-history {
    display: none;
}

/* Sidebar Collapsed Fixes */
/* Sidebar Collapsed Fixes - Removed old block to avoid conflicts */

.sidebar.collapsed .user-button {
    padding: 0 !important;
    width: 44px !important;
    height: 44px !important;
    margin: 0 auto !important;
    justify-content: center !important;
}

.app-logo-visible {
    display: block;
    width: 28px;
    height: 28px;
    pointer-events: none;
    transition: opacity var(--transition-base);
    margin-left: -5px;
}

.app-logo-hover-expand {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    color: var(--color-text-primary);
    pointer-events: none;
}

/* Sidebar Header Layout */
.sidebar-header {
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    height: var(--header-height);
}

.sidebar-logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    flex: 1;
    overflow: visible;
    position: relative;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
    position: relative;
    z-index: 10;
    /* Ensure it's above other elements if needed */
}



.logo-icon-small {
    width: 28px;
    height: 28px;
    color: var(--color-text-primary);
    flex-shrink: 0;
}

.sidebar-title {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-primary);
    white-space: nowrap;
    pointer-events: none;
}

.btn-collapse-sidebar {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    flex-shrink: 0;
    color: var(--color-text-secondary);
}

.btn-collapse-sidebar:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

/* ========================================
   SIDEBAR COLLAPSED STATE
   ======================================== */
.sidebar.collapsed .sidebar-header {
    padding: 12px 0 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    width: var(--sidebar-collapsed-width) !important;
    margin: 0 !important;
    box-sizing: border-box !important;
}

.sidebar.collapsed .sidebar-logo-container {
    width: 44px;
    height: 44px;
    margin: 4px auto !important;
    /* Force auto margins for centering */
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    padding: 0;
    flex: none;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-base);
}

.sidebar.collapsed .sidebar-logo-container:hover {
    background: var(--color-bg-hover);
}

.sidebar.collapsed .sidebar-title {
    display: none;
}

.sidebar.collapsed .btn-collapse-sidebar {
    display: none;
}

/* Icon Swapping Logic on Hover (Collapsed Only) */
.sidebar.collapsed .sidebar-logo-container:hover .app-logo-visible {
    opacity: 0 !important;
}

.sidebar.collapsed .sidebar-logo-container:hover .app-logo-hover-expand {
    display: flex !important;
    width: 22px !important;
    height: 22px !important;
}

/* ========================================
   COLLAPSED SIDEBAR NAVIGATION (ChatGPT Style)
   ======================================== */
.sidebar-collapsed-nav {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 4px;
    padding: 12px 0;
    flex: 1;
    overflow: visible;
    width: 100%;
}

.sidebar.collapsed .sidebar-collapsed-nav {
    display: flex;
}

.sidebar.collapsed .sidebar-content {
    display: none;
}

/* Sidebar Footer stays at bottom when collapsed */
.sidebar.collapsed .sidebar-footer {
    margin-top: auto;
    padding: 12px 0 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    width: 100% !important;
}

.sidebar-collapsed-icon {
    width: 44px;
    height: 44px;
    margin: 4px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: transparent;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.sidebar-collapsed-icon:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.sidebar-collapsed-icon.active {
    background: var(--color-bg-active);
    color: var(--color-accent-primary);
}

.sidebar-collapsed-icon.memory-icon {
    color: var(--color-warning);
}

.sidebar-collapsed-icon.memory-icon:hover {
    background: rgba(234, 179, 8, 0.1);
    color: var(--color-warning);
}

/* Tooltip for collapsed icons */
.sidebar-collapsed-icon::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    background: #000;
    color: #fff;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s, visibility 0.15s;
    z-index: 10000;
    box-shadow: var(--shadow-lg);
    pointer-events: none;
}

.sidebar-collapsed-icon:hover::after {
    opacity: 1;
    visibility: visible;
}

.sidebar.collapsed {
    overflow: visible !important;
}

.sidebar.collapsed .user-button {
    width: 44px;
    height: 44px;
    padding: 0;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
}

.sidebar.collapsed .user-avatar {
    width: 36px;
    height: 36px;
}

.sidebar.collapsed .user-info,
.sidebar.collapsed .chevron {
    display: none;
}

.sidebar.collapsed .user-dropdown {
    position: fixed;
    bottom: 70px;
    left: 10px;
    min-width: 200px;
    right: auto;
    transform: none;
    z-index: 10001;
}

/* Mobile Close Button - Hidden by default */
.btn-close-sidebar-mobile {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 4px;
    margin-left: auto;
    /* Push to right */
    z-index: 1001;
    /* Ensure on top */
}

.btn-close-sidebar-mobile:hover {
    color: var(--color-text-primary);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-content::-webkit-scrollbar {
    width: 6px;
}

.sidebar-content::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-content::-webkit-scrollbar-thumb {
    background: var(--color-bg-hover);
    border-radius: var(--radius-full);
}

.sidebar-content::-webkit-scrollbar-thumb:hover {
    background: var(--color-bg-active);
}

.sidebar-nav {
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    cursor: pointer;
    text-align: left;
    width: 100%;
}

.nav-item:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.nav-item svg {
    flex-shrink: 0;
}

.sidebar-section {
    padding: 0.25rem 0;
    margin-bottom: 0.25rem;
    border: none !important;
}

.sidebar-section-content {
    transition: all 0.3s ease;
}

.sidebar-section.collapsed .sidebar-section-content {
    display: none;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-icon-small {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.btn-icon-small:hover {
    background: var(--color-bg-hover);
}

.projects-list,
.chat-history {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.project-item,
.chat-history-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.project-item:hover,
.chat-history-item:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.project-item.active,
.chat-history-item.active {
    background: var(--color-bg-active);
    color: var(--color-text-primary);
}

.project-item svg,
.chat-history-item svg {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
}

.project-item.child {
    padding-left: 2rem;
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border-primary);
}

.user-menu {
    position: relative;
}

.user-button {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.user-button:hover {
    background: var(--color-bg-hover);
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-initials {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: white;
}

.user-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.user-display-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-username {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chevron {
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.user-button:hover .chevron {
    transform: translateY(2px);
}

.user-dropdown {
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    margin-bottom: var(--spacing-sm);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: slideUp 0.2s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1rem;
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
    text-align: left;
}

.dropdown-item:hover {
    background: var(--color-bg-hover);
}

.dropdown-divider {
    height: 1px;
    background: var(--color-border-primary);
    margin: var(--spacing-xs) 0;
}

/* ========================================
   MAIN CHAT AREA
   ======================================== */
.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-primary);
    position: relative;
    overflow-x: hidden;
    overflow-y: hidden;
    min-width: 0;
}

/* Mobile Header */
.mobile-header {
    display: none;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    height: var(--header-height);
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border-primary);
    position: sticky;
    top: 0;
    z-index: 90;
}

.btn-mobile-menu {
    padding: var(--spacing-xs);
    color: var(--color-text-primary);
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 91;
    /* Ensure clickable */
}

.mobile-model-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-left: var(--spacing-md);
    cursor: pointer;
}

.mobile-model-selector:hover {
    color: var(--color-text-primary);
}

.mobile-model-selector svg {
    width: 16px;
    height: 16px;
    opacity: 0.5;
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -100%;
        /* Start hidden */
        top: 0;
        bottom: 0;
        width: var(--sidebar-width-mobile);
        z-index: 1000;
        transition: left var(--transition-base);
        /* Use left instead of width */
        box-shadow: var(--shadow-xl);
        background: var(--color-bg-secondary);
    }

    .sidebar.open {
        left: 0;
        /* Slide in */
        width: var(--sidebar-width-mobile);
        /* Ensure width is correct */
    }

    /* Force full content visibility on mobile when open, ignoring collapsed state */
    .sidebar.open .sidebar-title,
    .sidebar.open .nav-text,
    .sidebar.open .project-item span,
    .sidebar.open .user-info {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .sidebar.open .sidebar-logo-container {
        justify-content: flex-start;
        /* Align logo left */
        width: auto;
    }

    .sidebar.open .app-logo-visible {
        display: block !important;
    }

    .sidebar.open .app-logo-hover-expand {
        display: none !important;
    }

    /* Show mobile close button */
    .sidebar.open .btn-close-sidebar-mobile {
        display: flex !important;
    }

    /* Hide desktop collapse button on mobile */
    .sidebar .btn-collapse-sidebar {
        display: none !important;
    }

    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        transition: opacity var(--transition-base);
        pointer-events: none;
    }

    .sidebar-overlay.active {
        opacity: 1;
        pointer-events: auto;
    }

    .mobile-header {
        display: flex;
    }
}

/* Project Header & Breadcrumbs */
.project-header-container {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-primary);
    background: var(--color-bg-primary);
    display: none;
    /* Hidden by default */
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: var(--spacing-xs);
    color: var(--color-text-secondary);
}

.project-title-area h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.project-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.chat-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.chat-container::-webkit-scrollbar {
    width: 8px;
}

.chat-container::-webkit-scrollbar-track {
    background: transparent;
}

.chat-container::-webkit-scrollbar-thumb {
    background: var(--color-bg-hover);
    border-radius: var(--radius-full);
}

.chat-container::-webkit-scrollbar-thumb:hover {
    background: var(--color-bg-active);
}

.chat-messages {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow-y: auto;
}

/* Welcome Screen */
.welcome-screen {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.welcome-content {
    text-align: center;
    max-width: 600px;
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.welcome-logo {
    width: 64px;
    height: 64px;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.welcome-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-content p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

/* Message Styles */
.message {
    padding: var(--spacing-xl) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-primary);
    animation: messageSlideIn 0.3s ease-out;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.user {
    background: var(--color-bg-secondary);
}

.message.assistant {
    background: var(--color-bg-primary);
}

.message-content {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.message-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.message.user .message-avatar {
    background: var(--gradient-primary);
}

.message.assistant .message-avatar {
    background: var(--gradient-accent);
}

.message-avatar svg {
    width: 20px;
    height: 20px;
    color: white;
}

.message-text {
    flex: 1;
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text-primary);
}

.message-text p {
    margin-bottom: var(--spacing-md);
}

.message-text p:last-child {
    margin-bottom: 0;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 6px;
    padding: var(--spacing-sm) 0;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--color-text-tertiary);
    border-radius: var(--radius-full);
    animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) {
    animation-delay: 0s;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {

    0%,
    60%,
    100% {
        transform: translateY(0);
        opacity: 0.5;
    }

    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* ========================================
   CHAT INPUT
   ======================================== */
.chat-input-container {
    padding: var(--spacing-lg);
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border-primary);
}

.chat-input-form {
    max-width: 800px;
    margin: 0 auto;
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-sm);
    transition: all var(--transition-base);
}

.input-wrapper:focus-within {
    border-color: var(--color-border-secondary);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}

.message-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    resize: none;
    font-size: var(--font-size-base);
    line-height: 1.5;
    padding: 0.75rem;
    max-height: 200px;
    overflow-y: auto;
}

.message-input::-webkit-scrollbar {
    width: 6px;
}

.message-input::-webkit-scrollbar-track {
    background: transparent;
}

.message-input::-webkit-scrollbar-thumb {
    background: var(--color-bg-hover);
    border-radius: var(--radius-full);
}

.message-input::placeholder {
    color: var(--color-text-tertiary);
}

.btn-send {
    width: 40px;
    height: 40px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.btn-send:not(:disabled) {
    background: var(--gradient-accent);
    box-shadow: var(--shadow-md);
}

.btn-send:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-send:not(:disabled):active {
    transform: translateY(0);
}

.btn-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-send svg {
    color: white;
}

/* ========================================
   MODALS
   ======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease-out;
}

.modal-content {
    position: relative;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-small {
    width: 100%;
    max-width: 500px;
}

.modal-large {
    width: 100%;
    max-width: 1000px;
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.btn-close-modal {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.btn-close-modal:hover {
    background: var(--color-bg-hover);
}

.modal-body {
    padding: var(--spacing-xl);
    overflow-y: auto;
}

.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: transparent;
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--color-bg-hover);
    border-radius: var(--radius-full);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
}

.modal-with-sidebar {
    display: flex;
    padding: 0;
    overflow: hidden;
}

.modal-sidebar {
    width: 240px;
    background: var(--color-bg-tertiary);
    border-right: 1px solid var(--color-border-primary);
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.modal-sidebar::-webkit-scrollbar {
    width: 6px;
}

.modal-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.modal-sidebar::-webkit-scrollbar-thumb {
    background: var(--color-bg-hover);
    border-radius: var(--radius-full);
}

.modal-nav-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    margin-bottom: var(--spacing-xs);
    text-align: left;
    background: transparent;
    border: none;
    cursor: pointer;
}

.modal-nav-item:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.modal-nav-item.active {
    background: var(--color-bg-active);
    color: var(--color-text-primary);
}

/* Project Tree Styles */
.project-tree-container {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.project-item-wrapper {
    display: flex;
    flex-direction: column;
}

.project-item-header {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all 0.2s;
    gap: 8px;
    user-select: none;
}

.project-item-header:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.project-item-header.active {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.project-toggle-icon {
    width: 16px;
    height: 16px;
    min-width: 16px;
    /* Prevent shrinking */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
    color: var(--color-text-tertiary);
    border-radius: 4px;
    flex-shrink: 0;
    /* Don't shrink */
}

.project-toggle-icon svg {
    width: 10px;
    height: 10px;
}

.project-toggle-icon:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
}

/* Empty toggle icon for projects without children - maintain spacing */
.project-toggle-icon:empty {
    visibility: hidden;
    /* Keep space but hide */
}

.project-item-wrapper.expanded>.project-item-header .project-toggle-icon {
    transform: rotate(90deg);
}

.project-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.9rem;
}

.project-children {
    display: none;
    flex-direction: column;
    padding-left: 14px;
    /* Indentation for children */
    border-left: 1px solid var(--color-border-secondary);
    margin-left: 20px;
}

.project-item-wrapper.expanded>.project-children {
    display: flex;
}

/* Hide children container if empty to avoid border artifacts */
.project-children:empty {
    display: none !important;
}

.sidebar.collapsed .project-children {
    display: none !important;
}

.sidebar.collapsed .project-toggle-icon {
    display: none;
}

.sidebar.collapsed .project-item-header {
    justify-content: center;
    padding: 8px;
}

.sidebar.collapsed .project-name {
    display: none;
}

.modal-main-content {
    flex: 1;
    padding: var(--spacing-xl);
    overflow-y: auto;
}

.modal-main-content::-webkit-scrollbar {
    width: 8px;
}

.modal-main-content::-webkit-scrollbar-track {
    background: transparent;
}

.modal-main-content::-webkit-scrollbar-thumb {
    background: var(--color-bg-hover);
    border-radius: var(--radius-full);
}

.settings-tab {
    display: none;
}

.settings-tab.active {
    display: block;
}

.settings-tab h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.settings-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
}

.setting-info {
    flex: 1;
}

.setting-info label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.setting-info p {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.setting-item .form-control {
    width: 200px;
}

.tab-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.tab-header h3 {
    margin: 0;
}

.tab-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
}

.data-table-container {
    overflow-x: auto;
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-lg);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: var(--color-bg-tertiary);
}

.data-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border-primary);
}

.data-table td {
    padding: 0.75rem 1rem;
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--color-border-primary);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background: var(--color-bg-hover);
}

.table-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-table-action {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.btn-table-action:hover {
    background: var(--color-bg-active);
}

.btn-edit {
    color: var(--color-accent-primary);
}

.btn-delete {
    color: var(--color-error-text);
}

/* Profile Edit Styles */
.profile-avatar-edit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.avatar-large {
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.avatar-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-initials-large {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: white;
}

.btn-change-avatar {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 40px;
    height: 40px;
    background: var(--color-accent-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn-change-avatar:hover {
    background: var(--color-accent-hover);
    transform: scale(1.1);
}

.btn-change-avatar svg {
    color: white;
}

.profile-upload-input {
    display: none;
}

.permissions-container {
    max-width: 600px;
}

.permissions-grid {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.permission-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
}

.permission-info {
    flex: 1;
}

.permission-info h4 {
    font-size: var(--font-size-base);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.permission-info p {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.permission-toggle {
    position: relative;
    width: 48px;
    height: 24px;
    background: var(--color-bg-hover);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
}

.permission-toggle.active {
    background: var(--color-accent-primary);
}

.permission-toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.permission-toggle.active::after {
    left: 26px;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: var(--sidebar-width-mobile);
        transform: translateX(-100%);
        box-shadow: var(--shadow-xl);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar.collapsed {
        width: var(--sidebar-width-mobile);
    }

    .mobile-header {
        display: flex;
    }

    .chat-main {
        height: calc(100vh - 60px);
    }

    .login-box {
        padding: var(--spacing-xl);
    }

    .welcome-content h2 {
        font-size: var(--font-size-xl);
    }

    .welcome-content p {
        font-size: var(--font-size-base);
    }

    .message {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .message-content {
        gap: var(--spacing-md);
    }

    .chat-input-container {
        padding: var(--spacing-md);
    }

    .modal-large {
        max-width: 100%;
    }

    .modal-with-sidebar {
        flex-direction: column;
    }

    .modal-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-border-primary);
        max-height: 200px;
    }

    .data-table-container {
        overflow-x: scroll;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 0.9375rem;
    }

    .login-box {
        padding: var(--spacing-lg);
    }

    .logo-container {
        width: 56px;
        height: 56px;
    }

    .logo-icon {
        width: 32px;
        height: 32px;
    }

    .login-header h1 {
        font-size: var(--font-size-xl);
    }

    .message-avatar {
        width: 28px;
        height: 28px;
    }

    .message-avatar svg {
        width: 16px;
        height: 16px;
    }

    .modal {
        padding: var(--spacing-sm);
    }

    .modal-header,
    .modal-body {
        padding: var(--spacing-lg);
    }
}

/* ========================================
   MOBILE OVERLAY
   ======================================== */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    animation: fadeIn 0.2s ease-out;
}

.sidebar-overlay.active {
    display: block;
}

/* Resources Minimalist View */


/* Minimalist Resource List Styles */
.resources-display-toggles {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.display-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color 0.2s;
}

.display-toggle:hover {
    color: var(--color-text-primary);
}

.display-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-accent-primary);
    cursor: pointer;
}

.resources-minimal-list {
    width: 100%;
    margin-top: 1rem;
    border-top: 1px solid var(--color-border-primary);
}

.resource-row {
    display: flex;
    align-items: flex-start;
    padding: 1.25rem 0.75rem;
    border-bottom: 1px solid var(--color-border-primary);
    transition: all 0.2s ease;
    gap: 1rem;
}

.resource-row:hover {
    background: var(--color-bg-tertiary);
}

.res-check {
    padding-top: 0.25rem;
}

.res-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-accent-primary);
}

.res-star {
    padding-top: 0.1rem;
}

.btn-star {
    color: var(--color-text-tertiary);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-star:hover {
    color: var(--color-warning);
    transform: scale(1.1);
}

.btn-star.active {
    color: var(--color-warning);
}

.res-content {
    flex: 1;
    min-width: 0;
}

.res-name {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.res-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.5rem 0;
}

.tag-pill {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 10px;
    background: var(--color-bg-hover);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.res-breadcrumbs {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Resources Layout Components */
.resources-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border-primary);
}

.res-search-container {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-wrapper svg {
    position: absolute;
    left: 12px;
    color: var(--color-text-tertiary);
}

.search-input-wrapper input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    transition: all 0.2s;
}

.search-input-wrapper input:focus {
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(16, 163, 127, 0.1);
    outline: none;
}

.resources-toolbar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: center;
}

.btn-toolbar-toggle {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-primary);
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    transition: all 0.2s;
}

.btn-toolbar-toggle:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-border-secondary);
    color: var(--color-text-primary);
}

.btn-toolbar-toggle.active {
    background: var(--color-bg-tertiary);
    border-color: var(--color-warning);
    color: var(--color-warning);
}

.badge-ai-context {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    background: var(--color-accent-primary);
    color: white;
    border-radius: 4px;
    margin-left: 8px;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
}

.breadcrumb-link:hover {
    text-decoration: underline !important;
}

.res-summary {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-top: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-accent-primary);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.res-actions {
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-res-action {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--color-text-tertiary);
    transition: all 0.2s;
}

.btn-res-action:hover {
    background: var(--color-bg-active);
    color: var(--color-text-primary);
}

/* Unified Context Menu */
.context-menu {
    position: fixed;
    z-index: 10000;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    min-width: 240px;
    backdrop-filter: blur(12px);
    animation: fadeInScale 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.context-menu .menu-item {
    padding: 0.7rem 0.9rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
}

.context-menu .menu-item:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.context-menu .menu-item.delete:hover {
    background: var(--color-error-bg);
    color: var(--color-error-text);
}

.context-menu .divider {
    height: 1px;
    background: var(--color-border-primary);
    margin: 0.4rem;
}

/* Resources Header Toggles */
.resources-display-toggles {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.display-toggle {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color 0.2s;
}

.display-toggle:hover {
    color: var(--color-text-primary);
}

.display-toggle input[type="checkbox"] {
    width: 17px;
    height: 17px;
    accent-color: var(--color-accent-primary);
    cursor: pointer;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

/* ========================================
   SETTINGS MODE STYLES
   ======================================== */

/* Main View Container */
.settings-view-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow-y: auto;
    background-color: var(--color-bg-primary);
    padding: 0;
    /* Reset padding, we'll use inner containers */
    position: relative;
}

/* Close Button Area */
.settings-close-bar {
    position: sticky;
    top: 0;
    margin-bottom: 0;
    padding: 1rem 2rem;
    display: flex;
    justify-content: flex-end;
    background: var(--color-bg-primary);
    /* Ensure it covers scrolling content */
    z-index: 10;
}

.btn-close-settings {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 1px solid var(--color-border-primary);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: all 0.2s;
}

.btn-close-settings:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
    border-color: var(--color-border-secondary);
}

.settings-content-wrapper {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    padding: 0 2rem 4rem 2rem;
}

.settings-header-main {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.settings-header-main h1 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

/* Sidebar Settings Mode Triggers */
/* We keep .sidebar-header visible now */
.sidebar.settings-mode .sidebar-content .sidebar-nav:not(.sidebar-nav-settings),
.sidebar.settings-mode .sidebar-content .sidebar-section {
    display: none !important;
}

.sidebar.settings-mode .sidebar-nav-settings {
    display: flex !important;
    padding-top: 1rem;
}

/* Settings Sidebar Navigation */
.sidebar-nav-settings {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0 0.75rem;
}

.sidebar-settings-header {
    margin-bottom: 1.5rem;
    padding-left: 0.5rem;
}

.btn-back-settings {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 1px solid var(--color-border-primary);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: all 0.2s;
    width: fit-content;
    margin-bottom: 1rem;
}

.btn-back-settings:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
    border-color: var(--color-border-secondary);
}

.settings-sidebar-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    display: block;
    margin-left: 0.25rem;
}

/* Nav Items */
.sidebar-nav-settings .nav-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    transition: all 0.2s;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
}

.sidebar-nav-settings .nav-item:hover {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.sidebar-nav-settings .nav-item.active {
    background-color: var(--color-bg-active);
    color: var(--color-text-primary);
    font-weight: 500;
}

.sidebar-nav-settings .nav-item svg {
    color: inherit;
    width: 20px;
    height: 20px;
}

/* User Avatar Stack in Tables */
.user-avatar-stack {
    display: flex;
    align-items: center;
}

.user-avatar-stack .avatar-small {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--color-bg-tertiary);
    border: 2px solid var(--color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-right: -8px;
    /* Stack effect */
    position: relative;
    cursor: default;
}

.user-avatar-stack .avatar-small:hover {
    z-index: 2;
    transform: translateY(-2px);
    transition: transform 0.2s;
}

.user-avatar-stack .avatar-more {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    font-size: 0.7rem;
    cursor: pointer;
}

/* Modal for viewing all users */
.users-grid-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    padding: 1rem 0;
}

.user-grid-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
}

/* Avatar Tooltip */
.avatar-small[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    z-index: 10;
    pointer-events: none;
    border: 1px solid var(--color-border-primary);
    margin-bottom: 6px;
    animation: fadeIn 0.15s ease-out;
}

/* Admin-only elements - hidden by default */
.admin-only {
    display: none !important;
}

/* Show for admins - will be toggled by JS */
body.is-admin .admin-only {
    display: flex !important;
}

/* Collections Styles */
.sidebar-section-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
    padding: 0 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-icon-tiny {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1;
}

.btn-icon-tiny:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-list li {
    margin-bottom: 2px;
}

.sidebar-list .nav-item {
    font-size: 0.9rem;
    padding: 6px 12px;
}

.badge-count {
    margin-left: auto;
    font-size: 0.75rem;
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    padding: 1px 6px;
    border-radius: 10px;
}

.empty-state-tiny {
    padding: 0 12px;
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
    font-style: italic;
}

.collection-header {
    background: var(--color-bg-secondary);
    padding: 2rem;
    border-bottom: 1px solid var(--color-border-primary);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

.meta-info {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-top: 1rem;
}

/* Resources DataTable Override for Collection View */
.resources-datatable th {
    text-align: left;
    padding: 10px;
    border-bottom: 1px solid var(--color-border-primary);
    color: var(--color-text-secondary);
    font-weight: 600;
}

.resources-datatable td {
    padding: 10px;
    border-bottom: 1px solid var(--color-border-primary);
    color: var(--color-text-primary);
}

.btn-danger-outline {
    border: 1px solid var(--color-error-text);
    color: var(--color-error-text);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
}

.btn-danger-outline:hover {
    background: var(--color-error-bg);
}

/* Simple list for Shares Modal */
.simple-list {
    list-style: none;
    border: 1px solid var(--color-border-primary);
    border-radius: 6px;
    padding: 0;
}

.simple-list li {
    padding: 10px;
    border-bottom: 1px solid var(--color-border-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.simple-list li:last-child {
    border-bottom: none;
}

/* Collections Context Menu & Drag Drop */

.collection-item {
    display: flex;
    align-items: center;
    position: relative;
    border-radius: var(--radius-md);
    transition: background var(--transition-base);
}

.collection-item:hover {
    background: var(--color-bg-hover);
}

.collection-item .collection-link {
    flex: 1;
    /* Reset padding/margin handled by li/link combination */
    margin: 0;
}

/* Hide context button by default, show on hover */
.collection-item .btn-context-menu {
    display: none;
    margin-right: 4px;
    padding: 4px;
    color: var(--color-text-secondary);
    border-radius: 4px;
}

.collection-item:hover .btn-context-menu {
    display: flex;
}

.collection-item.dragging {
    opacity: 0.5;
    background: var(--color-bg-active);
}

/* Context Menu Dropdown */
.context-menu {
    position: fixed;
    z-index: 10000;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-primary);
    border-radius: 6px;
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    padding: 4px 0;
    animation: fadeIn 0.1s ease-out;
}

.ctx-item {
    padding: 8px 12px;
    font-size: 0.85rem;
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ctx-item:hover {
    background: var(--color-bg-hover);
}

.ctx-item .icon {
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

.ctx-divider {
    height: 1px;
    background: var(--color-border-primary);
    margin: 4px 0;
}

.ctx-danger {
    color: var(--color-error-text);
}

.ctx-danger:hover {
    background: var(--color-error-bg);
}

/* Collections Reordering Grip */
.collection-item .drag-handle {
    width: 14px;
    text-align: center;
    color: var(--color-text-tertiary);
    /* greyed out */
    cursor: grab;
    opacity: 0;
    /* Hidden by default */
    transition: opacity 0.2s;
    font-size: 14px;
    margin-right: 2px;
    align-self: center;
    line-height: 1;
}

.collection-item:hover .drag-handle {
    opacity: 1;
    /* Show on hover */
}

/* Adjust link padding when grip is present */
.collection-item .collection-link {
    padding-left: 4px;
    /* Slightly less padding to accommodate grip */
}

/* Color Picker in Context Menu */
.ctx-item-label {
    padding: 6px 12px 2px 12px;
    font-size: 0.7rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    font-weight: 600;
}

.color-picker-row {
    display: flex;
    gap: 6px;
    padding: 4px 12px 8px 12px;
    flex-wrap: wrap;
}

.color-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.1s;
}

.color-dot:hover {
    transform: scale(1.2);
    border-color: var(--color-text-primary);
}

.color-dot.selected {
    border: 2px solid var(--color-text-primary);
    transform: scale(1.1);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 10000;
}

.toast {
    min-width: 280px;
    max-width: 400px;
    background: #ffffff;
    color: #1a1a1a;
    padding: 14px 20px;
    border-radius: 12px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    animation: toast-slide-in 0.3s ease forwards;
    border-left: 4px solid var(--color-primary);
    position: relative;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .toast {
    background: #262626;
    color: #eeeeee;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.toast.success {
    border-left-color: #10b981;
}

.toast.error {
    border-left-color: #ef4444;
}

.toast.info {
    border-left-color: #3b82f6;
}

.toast.warning {
    border-left-color: #f59e0b;
}

.toast-closing {
    animation: toast-slide-out 0.3s ease forwards;
}

@keyframes toast-slide-in {
    from {
        transform: translateX(110%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes toast-slide-out {
    from {
        transform: translateX(0);
        opacity: 1;
    }

    to {
        transform: translateX(110%);
        opacity: 0;
    }
}

/* ========================================
   CUSTOM TOOLTIP
   ======================================== */
.tooltip-trigger {
    position: relative;
}

.tooltip-trigger::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    right: 50%;
    /* Position relative to center */
    transform: translateX(50%) translateY(-8px);
    /* Center horizontally */
    background: #252525;
    color: #eaeaea;
    padding: 0.6rem 0.8rem;
    border-radius: 6px;
    border: 1px solid #333;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    font-size: 0.8rem;
    line-height: 1.4;
    white-space: normal;
    min-width: 220px;
    max-width: 320px;
    width: max-content;
    text-align: left;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: all 0.15s ease-out;
    visibility: hidden;
}

.tooltip-trigger:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(50%) translateY(-4px);
    transition-delay: 0s;
}

[data-theme="light"] .tooltip-trigger::after {
    background: #ffffff;
    color: #333;
    border-color: #ddd;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}