/* ==================== CSS Variables & Reset ==================== */
:root {
    /* Warm, vibrant palette inspired by South Indian textiles */
    --saffron: #FF6B35;
    --turmeric: #F7C548;
    --peacock: #004E64;
    --peacock-light: #0A6C8C;
    --lotus: #E63462;
    --cream: #FFF8F0;
    --gold: #D4AF37;
    --deep-purple: #2D1B4E;
    --teal: #00A878;
    
    /* UI Colors */
    --bg-primary: var(--cream);
    --bg-card: #FFFFFF;
    --text-primary: #1A1A2E;
    --text-secondary: #4A4A6A;
    --text-muted: #8888A0;
    --border-color: rgba(0, 78, 100, 0.15);
    
    /* Typography */
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 78, 100, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 78, 100, 0.12);
    --shadow-lg: 0 8px 40px rgba(0, 78, 100, 0.16);
    --shadow-glow: 0 0 30px rgba(255, 107, 53, 0.3);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Subtle noise texture overlay */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.03;
    z-index: 9999;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ==================== Typography ==================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { margin-bottom: var(--space-md); }

a {
    color: var(--peacock);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--peacock-light);
}

/* ==================== Flash Messages ==================== */
.flash-messages {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: 400px;
}

.flash {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    animation: slideIn 0.3s ease-out;
    border-left: 4px solid var(--peacock);
}

.flash-error { border-left-color: var(--lotus); }
.flash-success { border-left-color: var(--teal); }

.flash-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    line-height: 1;
}

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

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--saffron), var(--lotus));
    color: white;
    box-shadow: var(--shadow-md), 0 4px 20px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 8px 30px rgba(255, 107, 53, 0.4);
    color: white;
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--peacock);
    border: 2px solid var(--peacock);
}

.btn-secondary:hover {
    background: var(--peacock);
    color: white;
}

.btn-accent {
    background: linear-gradient(135deg, var(--peacock), var(--peacock-light));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-gold {
    background: linear-gradient(135deg, var(--turmeric), var(--gold));
    color: var(--deep-purple);
    box-shadow: var(--shadow-md);
}

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

.btn-danger {
    background: var(--lotus);
    color: white;
}

.btn-danger:hover {
    background: #cc2952;
}

.btn-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
}

.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: 50%;
}

/* ==================== Forms ==================== */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    transition: all 0.2s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--peacock);
    box-shadow: 0 0 0 4px rgba(0, 78, 100, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

/* Checkbox styling */
.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--peacock);
}

/* ==================== Cards ==================== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-xl);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 2px solid var(--border-color);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--peacock);
}

/* ==================== Layout ==================== */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

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

.page-header {
    padding: var(--space-2xl) 0;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--peacock), var(--saffron));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Grid system */
.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

@media (max-width: 1024px) {
    .grid-4, .grid-5 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
}

/* Flex utilities */
.flex { display: flex; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { align-items: center; justify-content: space-between; }
.flex-col { flex-direction: column; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* Spacing utilities */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* Text utilities */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-small { font-size: 0.875rem; }

/* ==================== Navigation ==================== */
.nav {
    background: var(--bg-card);
    padding: var(--space-md) var(--space-lg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--peacock);
    text-decoration: none;
}

.nav-logo span {
    color: var(--saffron);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--peacock);
}

/* ==================== Tables ==================== */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
}

th, td {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: linear-gradient(135deg, var(--peacock), var(--peacock-light));
    color: white;
    font-weight: 600;
}

tr:hover {
    background: rgba(0, 78, 100, 0.03);
}

/* ==================== Badge ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-waiting {
    background: var(--turmeric);
    color: var(--deep-purple);
}

.badge-active {
    background: var(--teal);
    color: white;
}

.badge-paused {
    background: var(--saffron);
    color: white;
}

.badge-completed {
    background: var(--text-muted);
    color: white;
}

/* ==================== Media Preview ==================== */
.media-preview {
    max-width: 300px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin: var(--space-md) 0;
}

.media-preview img,
.media-preview video {
    width: 100%;
    display: block;
}

.media-preview audio {
    width: 100%;
}

/* ==================== Empty State ==================== */
.empty-state {
    text-align: center;
    padding: var(--space-3xl);
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

/* ==================== Modal ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

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

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-muted);
    line-height: 1;
}

/* ==================== Animations ==================== */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.animate-pulse { animation: pulse 2s infinite; }
.animate-fade-in { animation: fadeIn 0.5s ease-out; }
.animate-slide-up { animation: slideUp 0.5s ease-out; }

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
    html { font-size: 14px; }
    
    .page-title { font-size: 2rem; }
    
    .nav-links {
        gap: var(--space-md);
    }
    
    .card {
        padding: var(--space-lg);
    }
}