/*
========================================
App-wide Stylesheet
- Author: AI Assistant
- Version: 1.0
- Description: The single source of truth for all styles in the Valid AI application.
              This file establishes a consistent, scalable, and maintainable design system.
========================================
*/

/* ==========================================================================
   1. Core Variables (Design Tokens)
   ========================================================================== */

:root {
    /* Primary & Brand Colors */
    --color-primary: #16a88a;
    --color-primary-dark: #14977c;
    --color-primary-light: rgba(22, 168, 138, 0.1);
    --color-primary-rgb: 22, 168, 138;

    /* Secondary & Grayscale Colors */
    --color-secondary: #6c757d;
    --color-gray-900: #212529;
    --color-gray-800: #343a40;
    --color-gray-700: #495057;
    --color-gray-600: #6c757d; /* --color-secondary */
    --color-gray-500: #adb5bd;
    --color-gray-400: #ced4da;
    --color-gray-300: #dee2e6; /* --color-border */
    --color-gray-200: #e9ecef;
    --color-gray-100: #f8f9fa; /* --color-bg-light */

    /* Semantic Colors */
    --color-success: #198754;
    --color-success-rgb: 25, 135, 84;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --color-info: #0dcaf0;

    /* Typography */
    --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    --font-family-monospace: 'SF Mono', Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --text-color-base: var(--color-gray-800);
    --text-color-muted: var(--color-gray-600);
    --link-color: var(--color-primary);
    --link-hover-color: var(--color-primary-dark);

    /* Backgrounds & Borders */
    --bg-color-body: #f8f9fa;
    --bg-color-base: #ffffff;
    --bg-color-light: var(--color-gray-100);
    --border-color: var(--color-gray-300);
    --border-color-light: var(--color-gray-200);
    --color-gray-25: #fbfcfd;

    /* Spacing System (4px base) */
    --space-1: 0.25rem; /* 4px */
    --space-2: 0.5rem;  /* 8px */
    --space-3: 1rem;    /* 16px */
    --space-4: 1.5rem;  /* 24px */
    --space-5: 2.5rem;  /* 40px */
    --space-6: 3rem;    /* 48px */

    /* Sizing */
    --sidebar-width: 280px;

    /* Borders & Radius */
    --border-width: 1px;
    --border-radius-sm: 0.25rem;
    --border-radius: 0.3rem;
    --border-radius-lg: 0.6rem;
    --border-radius-pill: 50rem;

    /* Shadows */
    --box-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.07), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --box-shadow-focus: 0 0 0 0.25rem rgba(var(--color-primary-rgb), 0.25);

    /* Transitions */
    --transition-base: all 0.2s ease-in-out;
}

/* ==========================================================================
   2. Global Resets & Base Styles
   ========================================================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
    margin: 0;
    font-family: var(--font-family-sans);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-color-base);
    background-color: var(--bg-color-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.15s ease-in-out;
}

a:hover {
    color: var(--link-hover-color);
}

/* Only apply underline to basic content links, not components */
a:not([class]):hover, a.content-link:hover {
    text-decoration: underline;
}

/* ==========================================================================
   3. Core Layout
   ========================================================================== */

.app-container {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: var(--sidebar-width);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    background-color: var(--bg-color-base);
    border-right: var(--border-width) solid var(--border-color);
    box-shadow: var(--box-shadow);
    z-index: 1030;
    display: flex;
    flex-direction: column;
}

.app-main-content {
    margin-left: var(--sidebar-width);
    padding: var(--space-4);
    width: calc(100% - var(--sidebar-width));
    min-height: 100vh;
}

/* Responsive layout adjustments */
@media (max-width: 768px) {
    .app-sidebar {
        position: static;
        width: 100%;
        height: auto;
        box-shadow: none;
        border-right: none;
        border-bottom: var(--border-width) solid var(--border-color);
    }

    .app-main-content {
        margin-left: 0;
        padding: var(--space-3);
    }
}

/* ==========================================================================
   4. Reusable Components
   ========================================================================== */

/* Card Component */
.card {
    background-color: var(--bg-color-base);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    margin-bottom: var(--space-4);
}

.card-header {
    padding: var(--space-3) var(--space-4);
    background-color: var(--bg-color-light);
    border-bottom: var(--border-width) solid var(--border-color);
    border-top-left-radius: var(--border-radius-lg);
    border-top-right-radius: var(--border-radius-lg);
}

/* AGGRESSIVE: Minimalist card-body to prevent visual conflicts with nested cards */
.card-body,
.card > .card-body,
div.card-body,
.card div.card-body {
    padding: var(--space-4) !important;
    background: transparent !important;
    background-color: transparent !important;
    border: none !important;
    border-top: none !important;
    border-bottom: none !important;
    border-left: none !important;
    border-right: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
}

/* Bootstrap 5 specific overrides - Maximum specificity */
.card-body.card-body {
    background-color: transparent !important;
    background-image: none !important;
}

/* Override any Bootstrap utility classes */
.card-body.bg-white,
.card-body.bg-light,
.card .card-body.bg-white,
.card .card-body.bg-light {
    background-color: transparent !important;
}

/* Override any CSS custom properties Bootstrap might set */
.card-body {
    --bs-card-bg: transparent !important;
    --bs-card-border-color: transparent !important;
    --bs-card-border-width: 0 !important;
}

/* ACTUAL FIX: Override Bootstrap CSS variables at the source */
.card-body .card {
    --bs-card-bg: transparent !important;
    --bs-card-border-color: var(--border-color-light) !important;
    --bs-card-border-width: 1px !important;
    --bs-card-box-shadow: none !important;
}

.card-body .card .card-body {
    --bs-card-bg: transparent !important;
    background: transparent !important;
    border: none !important;
    padding: var(--space-3) !important;
}

.card-body .card .card-header {
    --bs-card-cap-bg: var(--color-gray-25) !important;
    background: var(--bs-card-cap-bg) !important;
}

.card-body .card .card-footer {
    --bs-card-cap-bg: transparent !important;
    background: var(--bs-card-cap-bg) !important;
}

.card-footer {
    padding: var(--space-3) var(--space-4);
    background-color: var(--bg-color-light);
    border-top: var(--border-width) solid var(--border-color);
    border-bottom-left-radius: var(--border-radius-lg);
    border-bottom-right-radius: var(--border-radius-lg);
}

/* Button Component */
.btn {
    display: inline-block;
    font-weight: 500;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    background-color: transparent;
    border: var(--border-width) solid transparent;
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
    line-height: 1.5;
    border-radius: var(--border-radius);
    transition: var(--transition-base);
    box-shadow: none;
    color: var(--text-color-base);
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--box-shadow-sm);
}

.btn:focus, .btn.focus {
    outline: 0;
    box-shadow: var(--box-shadow-focus);
}

.btn:disabled, .btn.disabled {
    opacity: 0.65;
    pointer-events: none;
}

/* Primary Button */
.btn-primary {
    color: #fff;
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn-primary:hover {
    color: #fff;
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

/* Secondary Button */
.btn-secondary {
    color: #fff;
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
}
.btn-secondary:hover {
    color: #fff;
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-800);
}

/* Outline Button */
.btn-outline-primary {
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn-outline-primary:hover {
    color: #fff;
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-secondary {
    color: var(--color-secondary);
    border-color: var(--color-gray-400);
}
.btn-outline-secondary:hover {
    color: #fff;
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
}

/* Button Sizes */
.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    border-radius: var(--border-radius-sm);
}

/* Badge Component */
.badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--border-radius-sm);
}

.bg-secondary {
    background-color: var(--color-secondary) !important;
    color: #fff;
}

/* Form Components */
.form-label {
    margin-bottom: var(--space-2);
    font-weight: 500;
}

.form-control, .form-select {
    display: block;
    width: 100%;
    padding: 0.6rem 1.2rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-color-base);
    background-color: var(--bg-color-base);
    background-clip: padding-box;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus, .form-select:focus {
    color: var(--text-color-base);
    background-color: var(--bg-color-base);
    border-color: var(--color-primary);
    outline: 0;
    box-shadow: var(--box-shadow-focus);
}

textarea.form-control {
    min-height: calc(1.5em + 1rem + 2px); /* Default height for a single line */
}

.form-text {
    font-size: 0.875em;
    color: var(--text-color-muted);
}

.invalid-feedback {
    display: none;
    width: 100%;
    margin-top: var(--space-1);
    font-size: 0.875em;
    color: var(--color-danger);
}
/* Show feedback for invalid controls */
.form-control.is-invalid, .form-select.is-invalid {
    border-color: var(--color-danger);
}
.form-control.is-invalid:focus, .form-select.is-invalid:focus {
    box-shadow: 0 0 0 0.25rem rgba(var(--danger-color), 0.25);
}
.form-control.is-invalid ~ .invalid-feedback,
.was-validated .form-control:invalid ~ .invalid-feedback {
    display: block;
}

/* Alert Component */
.alert {
    position: relative;
    padding: var(--space-3);
    margin-bottom: var(--space-3);
    border: var(--border-width) solid transparent;
    border-radius: var(--border-radius);
}

.alert-success {
    color: #0f5132;
    background-color: #d1e7dd;
    border-color: #badbcc;
}

.alert-danger {
    color: #842029;
    background-color: #f8d7da;
    border-color: #f5c2c7;
}

.alert-warning {
    color: #664d03;
    background-color: #fff3cd;
    border-color: #ffecb5;
}

.alert-info {
    color: #055160;
    background-color: #cff4fc;
    border-color: #b6effb;
}

/* ==========================================================================
   5. Navigation Components
   ========================================================================== */

/* Sidebar Header */
.sidebar-header {
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: var(--border-width) solid var(--border-color);
    flex-shrink: 0;
}

.sidebar-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

/* Enhanced Logo Styling */
.sidebar-title.logo {
    font-size: 1.375rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.15em !important;
    background: linear-gradient(135deg, #2563eb, #1d4ed8) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    text-shadow: 0 2px 4px rgba(37, 99, 235, 0.1) !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
    margin: 0 !important;
    padding: 0.25rem 0 !important;
    position: relative !important;
}

/* Fallback for browsers that don't support background-clip: text */
@supports not (-webkit-background-clip: text) {
    .sidebar-title.logo {
        color: #2563eb !important;
        background: none !important;
    }
}

/* Admin label styling */
.sidebar-title.logo .admin-label {
    font-size: 0.75rem !important;
    font-weight: 500 !important;
    letter-spacing: 0.1em !important;
    background: linear-gradient(135deg, #dc2626, #b91c1c) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    margin-left: 0.25rem !important;
    display: inline-block !important;
}

/* Fallback for admin label */
@supports not (-webkit-background-clip: text) {
    .sidebar-title.logo .admin-label {
        color: #dc2626 !important;
        background: none !important;
    }
}

/* Sidebar Navigation */
.sidebar-nav {
    flex-grow: 1; /* Allow nav to fill available space */
    padding: var(--space-2) 0;
    margin: 0;
    list-style: none;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: var(--space-2) var(--space-4); /* 8px 24px */
    color: var(--text-color-muted);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition-base);
    border-left: 3px solid transparent;
}

.sidebar-nav .nav-link:hover {
    background-color: var(--bg-color-light);
    color: var(--text-color-base);
}

.sidebar-nav .nav-link.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-weight: 600;
    border-left-color: var(--color-primary);
}

.sidebar-nav .nav-icon {
    width: 20px;
    margin-right: var(--space-3);
    text-align: center;
    flex-shrink: 0;
}

/* Disabled navigation links */
.sidebar-nav .nav-link.disabled {
    opacity: 0.5;
    color: var(--text-color-muted) !important;
    cursor: not-allowed;
    position: relative;
}

.sidebar-nav .nav-link.disabled:hover {
    background-color: transparent !important;
    color: var(--text-color-muted) !important;
}

/* Custom tooltip for disabled nav items */
.sidebar-nav .nav-link.disabled:hover::after {
    content: attr(title);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-left: 10px;
    background: #333;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 1000;
    opacity: 1;
}



/* Navigation Section Headers */
.nav-section-header {
    padding: var(--space-3) var(--space-4) var(--space-1);
    margin-top: var(--space-3);
}

.nav-section-header:first-child {
    margin-top: 0;
}

.nav-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-color-muted);
}

/* Tab Navigation */
.nav {
    display: flex;
    flex-wrap: wrap;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
}

.nav-link {
    display: block;
    padding: 0.5rem 1rem;
    text-decoration: none;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
}

.nav-pills {
    gap: 0.25rem;
}

.nav-pills .nav-link {
    background: none;
    border: 0;
    border-radius: var(--border-radius-pill);
    color: var(--text-color-muted);
    font-weight: 500;
}

.nav-pills .nav-link i {
    margin-right: var(--space-2);
}

.nav-pills .nav-link:hover,
.nav-pills .nav-link:focus {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.nav-pills .nav-link.active,
.nav-pills .show > .nav-link {
    color: #fff;
    background-color: var(--color-primary);
}

/* Tab Content */
.tab-content {
    margin-top: 1rem;
}

.tab-pane {
    display: none;
}

.tab-pane.active,
.tab-pane.show {
    display: block;
}

.fade {
    transition: opacity 0.15s linear;
}

.fade:not(.show) {
    opacity: 0;
}

/* ==========================================================================
   6. Content Components
   ========================================================================== */

/* List Group Component */
.list-group {
    display: flex;
    flex-direction: column;
    padding-left: 0;
    margin-bottom: 0;
    border-radius: var(--border-radius-lg);
}

.list-group-item {
    position: relative;
    display: block;
    padding: var(--space-2) var(--space-3);
    color: var(--text-color-base);
    text-decoration: none;
    background-color: var(--bg-color-base);
    border: var(--border-width) solid var(--border-color);
    margin-bottom: -1px; /* Overlap borders */
}
.list-group-item:first-child {
    border-top-left-radius: inherit;
    border-top-right-radius: inherit;
}
.list-group-item:last-child {
    border-bottom-left-radius: inherit;
    border-bottom-right-radius: inherit;
    margin-bottom: 0;
}

.list-group-flush {
    border-radius: 0;
}
.list-group-flush .list-group-item {
    border-width: 0 0 var(--border-width);
}
.list-group-flush .list-group-item:last-child {
    border-bottom-width: 0;
}

/* Simple Rich Text Editor */
.editor-toolbar {
    border: var(--border-width) solid var(--border-color);
    background-color: var(--bg-color-light);
    padding: var(--space-2);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.editor-toolbar .btn {
    border: none;
    font-size: 0.9rem;
    padding: var(--space-1) var(--space-2);
}

.editor-content {
    border: var(--border-width) solid var(--border-color);
    border-top: none;
    padding: var(--space-3);
    min-height: 250px;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    background-color: var(--bg-color-base);
}

.editor-content:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--box-shadow-focus);
}

/* Media Thumbnail */
.media-thumbnail {
    width: 100px;
    height: 70px;
    object-fit: cover;
    background-color: var(--color-gray-100);
    border-radius: var(--border-radius-sm);
}

/* User-generated Content */
.content-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

/* ==========================================================================
   7. Chat Component
   ========================================================================== */

.chat-wrapper {
    display: flex;
    flex-direction: column;
    height: calc(100vh - (var(--space-4) * 2)); /* Full viewport height minus padding */
    background-color: var(--bg-color-base);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.chat-header {
    padding: var(--space-3);
    border-bottom: var(--border-width) solid var(--border-color);
    flex-shrink: 0;
    background-color: var(--bg-color-light);
}

.chat-container {
    flex-grow: 1;
    padding: var(--space-4);
    overflow-y: auto;
    scroll-behavior: smooth;
}

.chat-message {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--space-4);
    max-width: 85%;
}

.chat-message--user {
    justify-content: flex-end;
    margin-left: auto;
}

.chat-message--assistant {
    justify-content: flex-start;
    margin-right: auto;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    flex-shrink: 0;
}

.chat-avatar--user {
    background: var(--color-primary);
    order: 2;
    margin-left: var(--space-3);
}

.chat-avatar--assistant {
    background: var(--color-secondary);
    order: 1;
    margin-right: var(--space-3);
}

.chat-message-content {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius-lg);
    line-height: 1.5;
    word-wrap: break-word;
}

.chat-message--user .chat-message-content {
    background: var(--color-primary);
    color: #fff;
    border-bottom-right-radius: var(--border-radius-sm);
    order: 1;
}

.chat-message--assistant .chat-message-content {
    background: var(--bg-color-base);
    color: var(--text-color-base);
    border: 1px solid var(--border-color);
    border-bottom-left-radius: var(--border-radius-sm);
    order: 2;
}

/* New "Reasoning" or "Thinking" block */
.reasoning-block {
    background-color: var(--bg-color-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-2) var(--space-3);
    margin-bottom: var(--space-2);
    font-size: 0.9em;
    color: var(--text-color-muted);
}

.reasoning-step {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) 0;
    opacity: 0.5;
    transition: opacity 0.3s ease-in-out;
}

.reasoning-step.active {
    opacity: 1;
    font-weight: 500;
}

.reasoning-step .spinner {
    width: 1em;
    height: 1em;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: none; /* Hidden by default */
}

.reasoning-step.active .spinner {
    display: inline-block;
}

.reasoning-step .icon {
    display: none;
}

.reasoning-step.completed .spinner {
    display: none;
}

.reasoning-step.completed .icon {
    display: inline-block;
    color: var(--color-success);
}

.chat-input-form {
    padding: var(--space-3);
    border-top: var(--border-width) solid var(--border-color);
    background-color: var(--bg-color-light);
    display: flex;
    align-items: center; /* Vertically align items */
    gap: var(--space-3); /* Increased gap for more spacing */
}

/* Add a wrapper for the action buttons for better grouping */
.chat-input-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Style for individual action buttons */
.chat-action-btn {
    background-color: transparent;
    border: none;
    color: var(--color-secondary);
    padding: var(--space-2);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.chat-action-btn:hover {
    background-color: var(--color-gray-200);
    color: var(--color-primary);
}

.chat-textarea-wrapper {
    position: relative;
    flex-grow: 1;
    display: flex;
    align-items: center;
}

.chat-textarea {
    flex-grow: 1;
    resize: none;
    min-height: 44px;
    max-height: 150px;
    border-radius: var(--border-radius-pill);
    padding: 0.6rem 1.2rem;
}

.chat-send-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    flex-shrink: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.typing-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
    color: var(--text-color-muted);
}

.typing-dots {
    display: flex;
    gap: 3px;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background: var(--text-color-muted);
    border-radius: 50%;
    animation: typing-dot 1.5s infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-dot {
    0%, 60%, 100% { transform: scale(1); opacity: 0.5; }
    30% { transform: scale(1.2); opacity: 1; }
}

/* ==========================================================================
   7. Utilities & Helpers
   ========================================================================== */

/* Dashboard Components */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-4);
}

.dashboard-panel {
    background: var(--bg-color-base);
    padding: var(--space-4);
}

.dashboard-welcome {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.policy-update {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, #f8fffe 100%);
    border: 2px solid var(--color-primary-light);
    padding: var(--space-5);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-4);
    box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.15);
}

.policy-update-title {
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-3);
    font-size: 1.1rem;
}

.policy-update-content p {
    line-height: 1.8;
}

.policy-update-source a {
    display: inline-flex;
    align-items: center;
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius);
    transition: var(--transition-base);
    background: rgba(var(--color-primary-rgb), 0.1);
}

.policy-update-source a:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

@media (max-width: 992px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   16. Admin Dashboard Components
   ========================================================================== */

.dashboard-header {
    margin-bottom: var(--space-5);
}

.dashboard-title {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: var(--space-1);
    color: var(--text-color-base);
}

.dashboard-stats {
    margin-bottom: var(--space-5);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.stat-card {
    background: var(--bg-color-base);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--space-4);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    transition: var(--transition-base);
    box-shadow: var(--box-shadow-sm);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
    border-color: var(--color-primary);
}

.stat-card-alert {
    border-color: var(--color-warning);
    background: rgba(255, 193, 7, 0.02);
}

.stat-card-alert:hover {
    border-color: var(--color-warning);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    background: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon i {
    font-size: 1.25rem;
    color: var(--color-primary);
}

.stat-card-alert .stat-icon {
    background: rgba(255, 193, 7, 0.1);
}

.stat-card-alert .stat-icon i {
    color: var(--color-warning);
}

.stat-content {
    flex-grow: 1;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
    color: var(--text-color-base);
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-color-base);
    margin-bottom: var(--space-1);
}

.stat-description {
    font-size: 0.75rem;
    margin: 0;
    color: var(--text-color-muted);
    margin-bottom: var(--space-2);
}

.stat-link {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: var(--transition-base);
}

.stat-link:hover {
    color: var(--color-primary-dark);
    text-decoration: none;
}

.stat-link i {
    transition: var(--transition-base);
}

.stat-link:hover i {
    transform: translateX(2px);
}

/* Responsive adjustments for stats */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .stat-card {
        padding: var(--space-3);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
}

/* ==========================================================================
   17. Modern Admin Table Components
   ========================================================================== */

/* Enhanced Admin Data Table */
.admin-table {
    border: none !important;
    background: var(--bg-color-base) !important;
    border-radius: var(--border-radius-lg) !important;
    overflow: hidden;
    box-shadow: var(--box-shadow-sm) !important;
    margin-bottom: 0 !important;
}

.admin-table thead {
    background: var(--color-gray-50);
    border-bottom: 2px solid var(--border-color);
}

.admin-table thead th {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-color-base);
    text-transform: uppercase;
    letter-spacing: 0.025em;
    padding: var(--space-3) var(--space-4);
    border: none;
    vertical-align: middle;
}

.admin-table tbody tr {
    border-bottom: 1px solid var(--border-color-light);
    transition: var(--transition-base);
}

.admin-table tbody tr:hover {
    background: var(--color-gray-25);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

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

.admin-table tbody td {
    padding: var(--space-3) var(--space-4);
    border: none;
    vertical-align: middle;
    font-size: 0.875rem;
}

/* Compact table variant */
.admin-table-compact tbody td {
    padding: var(--space-2) var(--space-3);
}

.admin-table-compact thead th {
    padding: var(--space-2) var(--space-3);
}

/* Admin List Cards - Alternative to tables */
.admin-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.admin-list-item {
    background: var(--bg-color-base);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--space-4);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.admin-list-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-2px);
}

.admin-list-item-content {
    flex-grow: 1;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: var(--space-4);
    align-items: center;
}

.admin-list-item-primary {
    font-weight: 600;
    color: var(--text-color-base);
    margin-bottom: var(--space-1);
}

.admin-list-item-secondary {
    color: var(--text-color-muted);
    font-size: 0.875rem;
}

.admin-list-item-meta {
    display: flex;
    flex-direction: column;
    text-align: right;
}

.admin-list-item-meta small {
    color: var(--text-color-muted);
    font-size: 0.75rem;
}

/* Enhanced Media Thumbnail */
.media-thumbnail-enhanced {
    width: 60px;
    height: 60px;
    object-fit: cover;
    background: var(--color-gray-100);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    flex-shrink: 0;
}

.media-thumbnail-enhanced:hover {
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.media-thumbnail-enhanced img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: calc(var(--border-radius) - 2px);
}

/* Action Button Groups */
.admin-actions {
    display: flex;
    gap: var(--space-1);
    align-items: center;
    justify-content: flex-end;
}

.admin-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius);
    border: var(--border-width) solid var(--border-color);
    background: var(--bg-color-base);
    color: var(--text-color-muted);
    text-decoration: none;
    transition: var(--transition-base);
    font-size: 0.875rem;
}

.admin-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--box-shadow-sm);
}

.admin-btn-view:hover {
    background: var(--color-info);
    border-color: var(--color-info);
}

.admin-btn-edit:hover {
    background: var(--color-warning);
    border-color: var(--color-warning);
}

.admin-btn-delete:hover {
    background: var(--color-danger);
    border-color: var(--color-danger);
}

/* Enhanced Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.status-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.status-badge-success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
}

.status-badge-warning {
    background: rgba(251, 191, 36, 0.1);
    color: var(--color-warning);
}

.status-badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.status-badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-info);
}

.status-badge-secondary {
    background: var(--color-gray-100);
    color: var(--text-color-muted);
}

/* Admin Page Header */
.admin-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--border-color-light);
}

.admin-page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color-base);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.admin-page-actions {
    display: flex;
    gap: var(--space-2);
}

/* Admin Card Container */
.admin-card {
    background: var(--bg-color-base) !important;
    border: var(--border-width) solid var(--border-color) !important;
    border-radius: var(--border-radius-lg) !important;
    box-shadow: var(--box-shadow-sm) !important;
    overflow: hidden;
}

/* Bootstrap override for admin components */
.admin-table thead th {
    border-bottom: 2px solid var(--border-color) !important;
    border-top: none !important;
}

.admin-table tbody td {
    border-top: none !important;
    border-bottom: 1px solid var(--border-color-light) !important;
}

.admin-card-header {
    background: var(--color-gray-25);
    padding: var(--space-4);
    border-bottom: var(--border-width) solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-color-base);
}

/* IMPROVED: Smart admin card body with conditional padding */
.admin-card-body,
.admin-card > .admin-card-body,
div.admin-card-body,
.admin-card div.admin-card-body {
    background: transparent !important;
    background-color: transparent !important;
    border: none !important;
    border-top: none !important;
    border-bottom: none !important;
    border-left: none !important;
    border-right: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
    --bs-card-bg: transparent !important;
    --bs-card-border-color: transparent !important;
    --bs-card-border-width: 0 !important;
}

/* Default padding for admin card bodies */
.admin-card-body {
    padding: var(--space-4) !important; /* 24px */
}

/* Remove padding when containing tables or list groups (modern browsers) */
.admin-card-body:has(.table-responsive),
.admin-card-body:has(.admin-table),
.admin-card-body:has(.list-group-flush) {
    padding: 0 !important;
}

/* Fallback for browsers without :has() support - only apply negative margins if padding exists */
@supports not (selector(:has(*))) {
    .admin-card-body .table-responsive,
    .admin-card-body .admin-table,
    .admin-card-body .list-group-flush {
        margin: calc(var(--space-4) * -1) !important;
    }
}

/* Specific override for table containers to ensure proper layout */
.admin-card-body .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.admin-card-body .admin-table {
    width: 100%;
    table-layout: auto;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .admin-list-item-content {
        grid-template-columns: 1fr;
        gap: var(--space-2);
    }
    
    .admin-actions {
        margin-top: var(--space-2);
        justify-content: flex-start;
    }
    
    .admin-table thead {
        display: none;
    }
    
    .admin-table tbody td {
        display: block;
        padding: var(--space-2) var(--space-3);
        border-bottom: 1px solid var(--border-color-light);
    }
    
    .admin-table tbody td:before {
        content: attr(data-label) ": ";
        font-weight: 600;
        color: var(--text-color-muted);
    }
}

/* Image Preview Utilities */
.img-preview-sm {
    max-height: 100px;
    object-fit: contain;
    border-radius: var(--border-radius);
}
.img-preview-md {
    max-height: 200px;
    object-fit: contain;
    border-radius: var(--border-radius);
}
.img-preview-lg {
    max-height: 300px;
    object-fit: contain;
    border-radius: var(--border-radius);
}

.timeline {
    position: relative;
    padding-left: 1.5rem;
    list-style: none;
    margin: 0;
}
.timeline::before {
    content: '';
    position: absolute;
    left: calc(0.5rem - 1px); /* Center the line on the marker */
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}
.timeline-item {
    position: relative;
    padding-bottom: 1.5rem;
}
.timeline-item:last-child {
    padding-bottom: 0;
}
.timeline-marker {
    position: absolute;
    left: -0.5rem; /* Adjust to align with the line */
    top: 0.25rem; /* Vertically center with text */
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background-color: var(--color-secondary);
}
.timeline-content {
    padding-left: 1.5rem;
}
.timeline-marker.bg-primary { background-color: var(--color-primary); }
.timeline-marker.bg-success { background-color: var(--color-success); }
.timeline-marker.bg-warning { background-color: var(--color-warning); }
.timeline-marker.bg-danger { background-color: var(--color-danger); }
.timeline-marker.bg-light { background-color: var(--color-gray-200); }

/* Full-screen loading indicator */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease-in-out;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Enhanced AI Loading Animations */
.ai-loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    max-width: 400px;
}

.ai-loading-brain {
    position: relative;
    width: 32px;
    height: 32px;
    margin-bottom: 1rem;
}

.ai-loading-brain::before {
    content: '🧠';
    font-size: 24px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: brainPulse 2s ease-in-out infinite;
}

@keyframes brainPulse {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.8;
    }
}

.ai-loading-progress {
    position: relative;
    width: 100%;
    height: 4px;
    background: var(--color-gray-200);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.ai-loading-progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-primary));
    background-size: 200% 100%;
    border-radius: 2px;
    animation: progressGlow 2s ease-in-out infinite, progressMove 3s ease-in-out infinite;
}

@keyframes progressGlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes progressMove {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 95%; }
}

.ai-loading-dots {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.ai-loading-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    animation: dotFloat 1.5s ease-in-out infinite;
}

.ai-loading-dot:nth-child(1) { animation-delay: 0s; }
.ai-loading-dot:nth-child(2) { animation-delay: 0.2s; }
.ai-loading-dot:nth-child(3) { animation-delay: 0.4s; }
.ai-loading-dot:nth-child(4) { animation-delay: 0.6s; }
.ai-loading-dot:nth-child(5) { animation-delay: 0.8s; }

@keyframes dotFloat {
    0%, 100% { 
        transform: translateY(0);
        opacity: 0.5;
    }
    50% { 
        transform: translateY(-10px);
        opacity: 1;
    }
}

.ai-loading-text {
    text-align: center;
    line-height: 1.5;
    animation: textFade 3s ease-in-out infinite;
}

@keyframes textFade {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

.ai-loading-stages {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
    width: 100%;
}

.ai-stage {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border-radius: 0.5rem;
    background: rgba(var(--color-primary-rgb), 0.05);
    transition: all 0.3s ease;
    opacity: 0.4;
}

.ai-stage.active {
    opacity: 1;
    background: rgba(var(--color-primary-rgb), 0.1);
    transform: translateX(5px);
}

.ai-stage.completed {
    opacity: 0.6;
    background: rgba(var(--color-success-rgb), 0.1);
}

.ai-stage-icon {
    width: 20px;
    height: 20px;
    margin-right: 0.75rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    background: var(--color-gray-200);
    transition: all 0.3s ease;
}

.ai-stage.active .ai-stage-icon {
    background: var(--color-primary);
    color: white;
    animation: stageIconSpin 2s linear infinite;
}

.ai-stage.completed .ai-stage-icon {
    background: var(--color-success);
    color: white;
}

@keyframes stageIconSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.ai-stage-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: color 0.3s ease;
}

.ai-stage.active .ai-stage-text {
    color: var(--color-text);
    font-weight: 500;
}

/* Single-line stage styling for minimalist display */
.ai-stage-icon-single {
    font-size: 16px;
    transition: all 0.3s ease;
}

.ai-stage-text-single {
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

#current-stage-text {
    transition: opacity 0.15s ease-in-out;
}

/* Floating particles animation */
.ai-loading-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.ai-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat 4s ease-in-out infinite;
}

.ai-particle:nth-child(1) { left: 20%; animation-delay: 0s; }
.ai-particle:nth-child(2) { left: 40%; animation-delay: 1s; }
.ai-particle:nth-child(3) { left: 60%; animation-delay: 2s; }
.ai-particle:nth-child(4) { left: 80%; animation-delay: 3s; }

@keyframes particleFloat {
    0% {
        transform: translateY(100px);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px);
        opacity: 0;
    }
}

/* Status indicator dot */
.status-dot {
    width: 8px;
    height: 8px;
    background: currentColor;
    border-radius: 50%;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

/* Display Utilities */
.d-none {
    display: none !important;
}
.d-inline {
    display: inline !important;
}

/* Sizing Utilities */
.w-25 { width: 25% !important; }
.w-35 { width: 35% !important; }
.w-50 { width: 50% !important; }
.w-75 { width: 75% !important; }
.w-100 { width: 100% !important; }

/* Margin Utilities */
.ms-1 { margin-left: var(--space-1) !important; }
.me-1 { margin-right: var(--space-1) !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }

/* Text Utilities */
.text-decoration-none { text-decoration: none !important; }

/* External Website List */
.external-website-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.external-website-item {
    padding: var(--space-3);
    border-left: 3px solid var(--color-primary);
    background-color: var(--bg-color-base);
    border-radius: var(--border-radius);
    transition: var(--transition-base);
}

.external-website-item:hover {
    border-left-color: var(--color-primary-dark);
    background-color: var(--bg-color-light);
}

.website-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.website-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    flex-grow: 1;
}

.website-link {
    color: var(--color-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.website-link:hover {
    color: var(--color-primary-dark);
}

.website-link i {
    font-size: 0.875rem;
    opacity: 0.7;
}

.website-category {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-color-muted);
    background-color: var(--color-gray-200);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    white-space: nowrap;
}

.website-description {
    margin: 0;
    color: var(--text-color-muted);
    line-height: 1.5;
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.2);
        opacity: 0.7;
    }
}
/*
========================================
End of app.css
========================================
*/

/* ==========================================================================
   8. New Chat Component Enhancements
   ========================================================================== */

/* Wrapper for textarea and character counter */
.textarea-wrapper {
    position: relative;
    flex-grow: 1;
}

/* Character Counter */
.char-counter {
    position: absolute;
    bottom: 8px;
    right: 12px;
    font-size: 0.75rem;
    color: var(--text-color-muted);
    background-color: var(--bg-color-base);
    padding: 0 4px;
    border-radius: var(--border-radius-sm);
    pointer-events: none; /* Allows clicks to pass through to the textarea */
}

.char-counter.text-danger {
    color: var(--color-danger);
    font-weight: 500;
}


/* Confirmation Modal */
.modal-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-dialog {
    position: relative;
    background-color: var(--bg-color-base);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-lg);
    width: 90%;
    max-width: 500px;
    padding: var(--space-4);
    z-index: 1051;
}

.modal-content h5 {
    margin-top: 0;
    margin-bottom: var(--space-2);
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-content p {
    margin-bottom: var(--space-4);
    color: var(--text-color-muted);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
}

/* New Message Types */
.message-wrapper.system-wrapper .chat-message,
.message-wrapper.error-wrapper .chat-message {
    max-width: 100%;
    font-size: 0.875rem;
}

.system .message-content {
    background-color: var(--color-info-light, #cff4fc);
    color: var(--color-info-dark, #055160);
    border: 1px solid var(--color-info-border, #b6effb);
    text-align: center;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius);
    width: 100%;
}

.error .message-content {
    background-color: var(--color-danger-light, #f8d7da);
    color: var(--color-danger-dark, #842029);
    border: 1px solid var(--color-danger-border, #f5c2c7);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius);
    width: 100%;
} 

/* ==========================================================================
   9. Responsive Design Enhancements
   ========================================================================== */

/*
 * Mobile-First Adjustments
 * These styles apply to small screens first, and then are overridden for larger screens.
 * This ensures the application is usable on all devices.
*/
@media (max-width: 767.98px) {
    .app-main-content {
        padding: var(--space-2); /* Reduced padding on mobile */
    }

    .chat-wrapper {
        height: 100%; /* Allow wrapper to fill the screen space naturally */
        border-radius: 0;
        box-shadow: none;
        /* Use dynamic viewport height to account for mobile browser UI */
        min-height: calc(var(--vh, 1vh) * 100 - 60px); /* 60px for potential nav header */
    }

    .chat-container {
        padding: var(--space-2);
    }

    .chat-message {
        max-width: 95%; /* Allow messages to take up more space */
    }

    .chat-input-form {
        padding: var(--space-2);
    }

    .modal-dialog {
        width: 95%;
        margin: var(--space-2);
    }
} 

/* ==========================================================================
   17. Notification System
   ========================================================================== */

/* Corner Notifications for Non-Authenticated Users */
.notifications-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1050;
    width: 320px;
    max-width: calc(100vw - 40px);
}

.notification {
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin-bottom: 12px;
    border-left: 4px solid transparent;
    opacity: 1;
    transform: translateX(0);
    transition: all 0.3s ease;
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.notification-content {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    gap: 12px;
}

.notification-icon {
    flex-shrink: 0;
    font-size: 18px;
}

.notification-message {
    flex-grow: 1;
    font-size: 14px;
    line-height: 1.4;
    font-weight: 500;
}

.notification-close {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    border-radius: 4px;
    color: #6b7280;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.notification-close:hover {
    background-color: #f3f4f6;
    color: #374151;
}

/* Notification Types - Corner */
.notification-success {
    border-left-color: #10b981;
}

.notification-success .notification-icon {
    color: #10b981;
}

.notification-danger {
    border-left-color: #ef4444;
}

.notification-danger .notification-icon {
    color: #ef4444;
}

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

.notification-warning .notification-icon {
    color: #f59e0b;
}

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

.notification-info .notification-icon {
    color: #3b82f6;
}

/* Sidebar Notifications for Authenticated Users */
.sidebar-notifications {
    padding: var(--space-2) var(--space-3);
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-color-light);
    flex-shrink: 0;
    max-height: 40vh;
    overflow-y: auto;
}

.sidebar-notification {
    background: white;
    border-radius: 6px;
    margin-bottom: 8px;
    border-left: 3px solid transparent;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
    animation: slideInUp 0.3s ease;
}

.sidebar-notification:last-child {
    margin-bottom: 0;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sidebar-notification-content {
    display: flex;
    align-items: flex-start;
    padding: 8px 12px;
    gap: 8px;
}

.sidebar-notification-icon {
    flex-shrink: 0;
    font-size: 14px;
    margin-top: 2px;
}

.sidebar-notification-message {
    flex-grow: 1;
    font-size: 12px;
    line-height: 1.4;
    font-weight: 500;
    color: var(--text-color-base);
}

.sidebar-notification-close {
    background: none;
    border: none;
    padding: 2px;
    cursor: pointer;
    border-radius: 3px;
    color: #9ca3af;
    flex-shrink: 0;
    font-size: 10px;
    transition: all 0.2s ease;
    margin-top: 1px;
}

.sidebar-notification-close:hover {
    background-color: #f3f4f6;
    color: #6b7280;
}

/* Sidebar Notification Types */
.sidebar-notification-success {
    border-left-color: #10b981;
}

.sidebar-notification-success .sidebar-notification-icon {
    color: #10b981;
}

.sidebar-notification-danger {
    border-left-color: #ef4444;
}

.sidebar-notification-danger .sidebar-notification-icon {
    color: #ef4444;
}

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

.sidebar-notification-warning .sidebar-notification-icon {
    color: #f59e0b;
}

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

.sidebar-notification-info .sidebar-notification-icon {
    color: #3b82f6;
}

/* Responsive adjustments for notifications */
@media (max-width: 768px) {
    .notifications-container {
        top: 10px;
        right: 10px;
        left: 10px;
        width: auto;
        max-width: none;
    }
    
    .notification-content {
        padding: 10px 12px;
    }
    
    .sidebar-notifications {
        position: relative;
        max-height: none;
        border-top: none;
        padding: var(--space-2);
    }
    
    .sidebar-notification {
        margin-bottom: 6px;
    }
} 

/* AI Policy Update Loading Animations */
.ai-policy-loading {
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(22, 168, 138, 0.05) 0%, rgba(22, 168, 138, 0.02) 100%);
    border-radius: 12px;
    border: 1px solid rgba(22, 168, 138, 0.1);
}

.ai-policy-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.ai-policy-brain {
    font-size: 2rem;
    margin-right: 1rem;
    animation: policyBrainPulse 2s ease-in-out infinite;
}

@keyframes policyBrainPulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.ai-policy-text {
    flex: 1;
}

.ai-policy-text > div:last-child {
    transition: opacity 0.3s ease;
}

.ai-policy-progress {
    width: 100%;
    height: 6px;
    background: rgba(22, 168, 138, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 1.5rem;
    position: relative;
}

.ai-policy-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-primary));
    background-size: 200% 100%;
    border-radius: 3px;
    width: 10%;
    transition: width 0.8s ease;
    animation: policyProgressGlow 2s ease-in-out infinite;
}

@keyframes policyProgressGlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.ai-policy-stages {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.policy-stage {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(22, 168, 138, 0.1);
    transition: all 0.3s ease;
    opacity: 0.5;
}

.policy-stage.active {
    opacity: 1;
    background: rgba(22, 168, 138, 0.1);
    border-color: rgba(22, 168, 138, 0.3);
    transform: translateX(8px);
    box-shadow: 0 2px 8px rgba(22, 168, 138, 0.15);
}

.policy-stage.completed {
    opacity: 0.7;
    background: rgba(25, 135, 84, 0.05);
    border-color: rgba(25, 135, 84, 0.2);
}

.stage-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    border-radius: 50%;
    background: rgba(108, 117, 125, 0.1);
    transition: all 0.3s ease;
    font-size: 14px;
}

.policy-stage.active .stage-icon {
    background: var(--color-primary);
    color: white;
    animation: policyStageIconSpin 2s linear infinite;
}

.policy-stage.completed .stage-icon {
    background: var(--color-success);
    color: white;
}

@keyframes policyStageIconSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.stage-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: color 0.3s ease;
}

.policy-stage.active .stage-text {
    color: var(--color-text);
    font-weight: 500;
}

/* Responsive adjustments for policy update */
@media (max-width: 768px) {
    .ai-policy-loading {
        padding: 1rem;
    }
    
    .ai-policy-brain {
        font-size: 1.5rem;
        margin-right: 0.75rem;
    }
    
    .policy-stage {
        padding: 0.5rem 0.75rem;
    }
    
    .stage-icon {
        width: 20px;
        height: 20px;
        font-size: 12px;
        margin-right: 0.5rem;
    }
}

/* Status indicator dot */