/* Premium CSS for the AAC Document AI Assistant - Elegant Dark Theme */

/* Fix for Bootstrap Icons - Remove small box */
.bi::before {
    box-shadow: none !important;
    border: none !important;
}

/* Sophisticated theming with premium variables */
:root {
    /* Refined dark theme palette */
    --dark-bg: #0a0e14;
    --dark-card-bg: #1a1f2b;
    --dark-header-bg: #141820;
    --dark-text: #f0f2f5;
    --dark-text-secondary: #9aa3b5;
    --dark-border: #2a3245;
    --dark-hover: #232a3b;
    
    /* Vibrant accent colors */
    --primary-blue: #3b82f7;
    --accent-blue: #5d93ff;
    --success-green: #26c884;
    --warning-orange: #ff9234;
    --danger-red: #f7526e;
    --info-cyan: #39bdff;
    
    /* Premium gradients */
    --gradient-blue: linear-gradient(135deg, #1e3a8a 0%, #3b82f7 100%);
    --gradient-card: linear-gradient(160deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.9) 100%);
    --gradient-button: linear-gradient(135deg, #3b82f7 0%, #2563eb 100%);
    --gradient-highlight: linear-gradient(135deg, #8b5cf6 0%, #3b82f7 100%);
    
    /* Elevated shadows */
    --card-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    --button-shadow: 0 4px 12px rgba(59, 130, 247, 0.3);
    --text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    --premium-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    
    /* Smooth transitions */
    --hover-transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Global typography */
body {
    padding-bottom: 60px;
    background-color: var(--dark-bg);
    color: var(--dark-text);
    font-family: 'Plus Jakarta Sans', sans-serif;
    letter-spacing: 0.01em;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.hero-section h1, .card-header h2, .card-header h3, .prompt-detail-header h2 {
    font-family: 'Playfair Display', serif;
    letter-spacing: -0.03em;
}

/* Hero section with gradient background */
.hero-section {
    background: var(--gradient-blue);
    padding: 3.5rem 0;
    margin-bottom: 2.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    position: relative;
    overflow: hidden;
}

.hero-section::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 10px;
    background: linear-gradient(to bottom, rgba(0,0,0,0.1), transparent);
}

/* AAC Logo Styling */
.hero-logo-container {
    margin-bottom: 1.5rem;
}

.aac-logo-hero {
    max-width: 400px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.aac-logo-nav {
    height: 40px;
    width: auto;
    border-radius: 4px;
}

.hero-section h1 {
    color: white;
    font-weight: 700;
    margin-bottom: 0.75rem;
    font-size: 2.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.hero-section p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.15rem;
    max-width: 80%;
    margin: 0 auto;
    font-weight: 300;
}

/* Navbar styling */
.navbar {
    background-color: var(--dark-header-bg) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.navbar-brand {
    font-weight: 600;
    color: var(--primary-blue) !important;
}

.nav-link {
    color: var(--dark-text) !important;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--accent-blue) !important;
}

.nav-link.active {
    color: var(--primary-blue) !important;
    border-bottom: 2px solid var(--primary-blue);
}

/* Premium Card styling with enhanced depth */
.card {
    background: var(--gradient-card);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    box-shadow: var(--premium-shadow);
    transition: var(--hover-transition);
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.card:hover {
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
    transform: translateY(-3px);
}

.card-header {
    background-color: rgba(0, 0, 0, 0.25);
    border-bottom: 1px solid var(--dark-border);
    padding: 18px 24px;
    position: relative;
}

.card-header::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--primary-blue), transparent);
    opacity: 0.5;
}

.card-body {
    padding: 24px;
    position: relative;
}

.card-footer {
    background-color: rgba(0, 0, 0, 0.15);
    border-top: 1px solid var(--dark-border);
    padding: 16px 24px;
}

/* Improve readability of answers */
#answer-display, #modal-answer {
    white-space: pre-line;
    overflow-x: auto;
    font-size: 1rem;
    line-height: 1.5;
    max-height: 500px;
    overflow-y: auto;
    padding: 1.5rem;
    border-radius: 8px;
    background-color: rgba(0, 0, 0, 0.2);
    color: var(--dark-text);
}

/* Citations styling */
#answer-display strong, #modal-answer strong {
    color: var(--primary-blue);
    font-weight: 600;
}

/* Citation markers styling */
#answer-display [id^="["], #modal-answer [id^="["] {
    font-weight: bold;
    color: var(--info-cyan);
}

/* Add visual separation before citation sections */
#answer-display strong:contains("Sources"), 
#answer-display strong:contains("Web Sources") {
    display: block;
    margin-top: 1.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Form inputs styling */
.form-control, .form-select {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--dark-border);
    color: var(--dark-text);
}

.form-control:focus, .form-select:focus {
    background-color: rgba(0, 0, 0, 0.3);
    color: var(--dark-text);
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 247, 0.25);
}

.form-text {
    color: var(--dark-text-secondary);
}

/* Prompt Library styling */
.prompt-card {
    transition: var(--hover-transition);
    background-color: var(--dark-card-bg);
    border: 1px solid var(--dark-border);
    margin-bottom: 1rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    height: 100%;
    cursor: pointer;
}

.prompt-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    border-color: var(--primary-blue);
    background-color: var(--dark-hover);
}

.cursor-pointer {
    cursor: pointer;
}

.transition-transform {
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.prompt-card .card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 16px 20px;
    border-radius: 10px 10px 0 0;
}

.prompt-card .card-header h5 {
    margin: 0;
    font-weight: 600;
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    letter-spacing: 0.01em;
}

.prompt-card .card-header i {
    color: var(--primary-blue);
    margin-right: 10px;
    font-size: 1.25rem;
}

.prompt-card .card-body {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.prompt-card .card-body p {
    flex: 1;
    margin-bottom: 0;
    color: var(--dark-text-secondary);
}

.prompt-card .card-footer {
    background-color: rgba(0, 0, 0, 0.1);
    padding: 15px 20px;
    border-top: 1px solid var(--dark-border);
}

.badge {
    padding: 6px 12px;
    font-weight: 500;
    border-radius: 30px;
}

.badge.bg-secondary {
    background-color: rgba(255, 255, 255, 0.1) !important;
    color: var(--dark-text-secondary);
}

/* Category colors */
.category-email {
    border-top: 3px solid var(--primary-blue);
}

.category-market-analysis {
    border-top: 3px solid var(--success-green);
}

.category-report-analysis {
    border-top: 3px solid #6f42c1;
}

.category-grant-writing {
    border-top: 3px solid var(--warning-orange);
}

.category-technical {
    border-top: 3px solid var(--danger-red);
}

.category-regulatory {
    border-top: 3px solid var(--info-cyan);
}

.category-sustainability {
    border-top: 3px solid var(--success-green);
}

.category-research {
    border-top: 3px solid #9333ea;
}

/* Logo styling */
.logo-container {
    background-color: var(--dark-bg);
    text-align: center;
    padding: 30px 0;
    margin-bottom: 30px;
}

.logo-text {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(to right, #3b82f7, #39bdff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
}

.logo-subtitle {
    color: var(--dark-text-secondary);
    font-size: 18px;
    margin-top: 5px;
}

/* Prompt text preview */
.prompt-text-preview {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    padding: 12px;
    margin-top: 12px;
    max-height: 80px;
    overflow: hidden;
    position: relative;
    color: var(--dark-text-secondary);
}

.prompt-text-preview::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30px;
    background: linear-gradient(to bottom, transparent, var(--dark-card-bg));
}

/* Premium Button styling with enhanced depth */
.btn {
    border-radius: 8px;
    padding: 0.6rem 1.2rem;
    font-weight: 500;
    transition: var(--hover-transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.01em;
    font-family: 'Montserrat', sans-serif;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn:hover::before {
    opacity: 1;
}

.btn i {
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.35rem 0.85rem;
    font-size: 0.875rem;
    border-radius: 6px;
}

.btn-lg {
    padding: 0.85rem 1.75rem;
    font-size: 1.15rem;
    border-radius: 10px;
}

.btn-primary {
    background: var(--gradient-button);
    border: none;
    box-shadow: var(--button-shadow);
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    position: relative;
}

.btn-primary:hover {
    box-shadow: 0 6px 18px rgba(59, 130, 247, 0.35);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 2px 8px rgba(59, 130, 247, 0.25);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--dark-text);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.12);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.btn-outline-primary {
    border: 1px solid rgba(59, 130, 247, 0.5);
    color: var(--primary-blue);
    background-color: rgba(59, 130, 247, 0.05);
    box-shadow: 0 2px 8px rgba(59, 130, 247, 0.1);
}

.btn-outline-primary:hover {
    background-color: rgba(59, 130, 247, 0.1);
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 247, 0.15);
}

.btn-outline-primary.active {
    background: var(--gradient-button);
    border-color: transparent;
    color: white;
    box-shadow: var(--button-shadow);
}

/* Quick prompts sidebar styling */
.quick-prompts-sidebar {
    border-radius: 12px;
    margin-bottom: 20px;
    background-color: var(--dark-card-bg);
    padding: 20px;
    border: 1px solid var(--dark-border);
}

.quick-prompts-list {
    list-style-type: none;
    padding-left: 0;
}

.quick-prompt-item {
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: var(--hover-transition);
    display: flex;
    align-items: center;
}

.quick-prompt-item:hover {
    background-color: var(--dark-hover);
}

.quick-prompt-item i {
    margin-right: 12px;
    color: var(--primary-blue);
}

/* Style the question text area */
#question {
    height: 100px;
    resize: vertical;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--dark-border);
    color: var(--dark-text);
}

/* Make sure the table is responsive */
.table-responsive {
    overflow-x: auto;
}

.table {
    color: var(--dark-text);
}

.table>:not(caption)>*>* {
    border-bottom-color: var(--dark-border);
}

/* Limit the width of the question column */
.table td:nth-child(2) {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Expand on click for history items */
.expandable-cell {
    cursor: pointer;
    position: relative;
}

.expandable-cell:hover {
    background-color: var(--dark-hover);
}

.expandable-cell::after {
    content: "\f065";
    font-family: "Bootstrap Icons";
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-blue);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.expandable-cell:hover::after {
    opacity: 1;
}

/* Improve footer appearance */
.footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    background-color: var(--dark-header-bg);
    border-top: 1px solid var(--dark-border);
    color: var(--dark-text-secondary);
    padding: 10px 0;
}

/* Prompt detail page */
.prompt-detail-header {
    background: var(--gradient-blue);
    padding: 2.5rem 2rem;
    border-radius: 12px 12px 0 0;
    margin-bottom: 0;
    position: relative;
    overflow: hidden;
}

.prompt-detail-header::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 10px;
    background: linear-gradient(to bottom, rgba(0,0,0,0.1), transparent);
}

.prompt-detail-header h2 {
    color: white;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.prompt-detail-header h2 i {
    margin-right: 14px;
    font-size: 1.5rem;
}

.prompt-detail-header .badge {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    text-shadow: none;
}

.prompt-detail-header p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
    font-weight: 300;
    max-width: 700px;
}

.prompt-detail-body {
    background-color: var(--dark-card-bg);
    border-radius: 0 0 12px 12px;
    padding: 2rem;
    border: 1px solid var(--dark-border);
    border-top: none;
}

/* Form group styling */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-text);
}

.form-check {
    padding-left: 2rem;
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.15rem;
    margin-left: -2rem;
}

.form-check-input:checked {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.form-check-label {
    padding-top: 0.15rem;
}

/* Modal improvements */
.modal-content {
    background-color: var(--dark-card-bg);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
}

.modal-header {
    border-bottom: 1px solid var(--dark-border);
}

.modal-footer {
    border-top: 1px solid var(--dark-border);
}

.modal-dialog {
    max-width: 800px;
}

/* Alert styling */
.alert {
    border-radius: 10px;
    border: none;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert::before {
    font-family: "Bootstrap Icons";
    font-size: 1.25rem;
    flex-shrink: 0;
}

.alert-info {
    background-color: rgba(57, 189, 255, 0.1);
    color: var(--info-cyan);
}

.alert-info::before {
    content: "\f430"; /* bi-info-circle-fill */
}

.alert-success {
    background-color: rgba(38, 200, 132, 0.1);
    color: var(--success-green);
}

.alert-success::before {
    content: "\f42b"; /* bi-check-circle-fill */
}

.alert-danger {
    background-color: rgba(247, 82, 110, 0.1);
    color: var(--danger-red);
}

.alert-danger::before {
    content: "\f623"; /* bi-exclamation-circle-fill */
}

.alert-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--dark-text-secondary);
}

.alert-secondary::before {
    content: "\f431"; /* bi-info */
}

/* Document upload section */
#documentUploadSection {
    transition: opacity 0.3s ease;
}

/* Category grid layout */
.prompt-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* Premium Floating Action Button */
.floating-action-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 64px;
    height: 64px;
    background: var(--gradient-button);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(59, 130, 247, 0.4);
    cursor: pointer;
    z-index: 1000;
    transition: var(--hover-transition);
    overflow: hidden;
}

.floating-action-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(255,255,255,0.2) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.floating-action-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5), 0 4px 12px rgba(59, 130, 247, 0.5);
}

.floating-action-btn:hover::before {
    opacity: 1;
}

.floating-action-btn i {
    font-size: 1.8rem;
    filter: drop-shadow(0 2px 3px rgba(0,0,0,0.2));
}

.floating-action-btn.processing {
    opacity: 0.8;
    pointer-events: none;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(59, 130, 247, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(59, 130, 247, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(59, 130, 247, 0);
    }
}