/* assets/css/main.css - Phase 7 Premium UI Overhaul */

:root {
    /* Color Palette: OKLCH with Hex fallbacks */
    --color-primary-hex: #FAFAF9;
    --color-primary: oklch(98% 0.005 60);
    
    --color-accent-dark-hex: #0A2F1D;
    --color-accent-dark: oklch(22% 0.04 145);
    
    --color-accent-warm-hex: #C58F4A;
    --color-accent-warm: oklch(67% 0.13 75);
    
    --color-text-primary: #1C1917;
    --color-ui-border: #E5E5E0;
    --color-ui-bg-shift: #F1F1EF;
    
    /* Dark Mode Admin Palette (Vercel/Linear Inspired) */
    --admin-bg: #0A0A0A;
    --admin-panel-bg: #111111;
    --admin-border: #222222;
    --admin-text: #EDEDED;
    --admin-text-muted: #888888;
    
    /* Typography */
    --font-heading: 'Playfair Display', 'Cinzel', serif;
    --font-body: 'Plus Jakarta Sans', 'Inter', sans-serif;
    
    /* Fluid Scale */
    --text-xs: clamp(0.75rem, 0.7vw + 0.5rem, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8vw + 0.5rem, 1rem);
    --text-base: clamp(1rem, 1vw + 0.5rem, 1.125rem);
    --text-lg: clamp(1.125rem, 1.2vw + 0.5rem, 1.25rem);
    --text-xl: clamp(1.25rem, 1.5vw + 0.5rem, 1.5rem);
    --text-2xl: clamp(1.5rem, 2vw + 0.5rem, 2rem);
    --text-3xl: clamp(2rem, 3vw + 0.5rem, 2.5rem);
    --text-4xl: clamp(2.5rem, 4vw + 0.5rem, 3.5rem);
    --text-5xl: clamp(3rem, 5vw + 0.5rem, 4.5rem);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    /* Effects */
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-subtle: 0 4px 20px rgba(0,0,0,0.03);
    --shadow-glass: 0 30px 60px rgba(10, 47, 29, 0.08);
}

/* =========================================
   Global Resets & Base Styles
   ========================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--color-primary-hex);
    background-color: var(--color-primary);
    background-image: linear-gradient(to bottom, rgba(255,255,255,0.8), rgba(255,255,255,0)), url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    color: var(--color-text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-accent-dark-hex);
    color: var(--color-accent-dark);
    letter-spacing: -0.03em;
    font-weight: 400;
}

h1 { font-size: var(--text-5xl); line-height: 1.1; }
h2 { font-size: var(--text-4xl); line-height: 1.2; }
h3 { font-size: var(--text-2xl); line-height: 1.3; }

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

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

/* =========================================
   Premium Interactive UI Components
   ========================================= */

/* Buttons - Elegant Thin Bordered Frame with Color-Fill Slide */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    background: transparent;
    border: 1px solid var(--color-accent-dark-hex);
    color: var(--color-accent-dark-hex);
    z-index: 1;
    transition: var(--transition-smooth);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-accent-dark-hex);
    z-index: -1;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn:hover {
    color: #fff;
    border-color: var(--color-accent-dark-hex);
    box-shadow: 0 10px 20px rgba(10, 47, 29, 0.15);
}

.btn:hover::before {
    transform: scaleX(1);
}

/* Mishmi Ochre Accent Trace for Primary Button */
.btn-primary {
    border-color: var(--color-accent-warm-hex);
    color: var(--color-text-primary);
}
.btn-primary::before {
    background: var(--color-accent-warm-hex);
}

/* Floating Label Form Inputs */
.form-group {
    position: relative;
    margin-bottom: var(--space-lg);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 1rem 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-ui-border);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text-primary);
    transition: var(--transition-smooth);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--color-accent-dark-hex);
}

.form-group label {
    position: absolute;
    top: 1rem;
    left: 0;
    font-size: var(--text-base);
    color: #888;
    pointer-events: none;
    transition: var(--transition-smooth);
    font-family: var(--font-heading);
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label,
.form-group.has-value label {
    top: -1.2rem;
    font-size: var(--text-sm);
    color: var(--color-accent-dark-hex);
}

/* Hide default placeholders to use label logic */
.form-group input::placeholder, .form-group textarea::placeholder {
    color: transparent;
}


/* =========================================
   Frontend Layout Specifics
   ========================================= */

/* Hero Section - Clip-Path Sweep & Layered Cards */
.hero-section {
    padding: var(--space-xl) 0 var(--space-lg);
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
}

/* Keyframe for initial load sweep */
@keyframes sweepIn {
    0% { clip-path: polygon(0 100%, 100% 100%, 100% 100%, 0 100%); opacity: 0; transform: translateY(20px); }
    100% { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); opacity: 1; transform: translateY(0); }
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    align-items: center;
    animation: sweepIn 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@media (min-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-imagery {
    position: relative;
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    border-radius: 2px;
}

.hero-image {
    width: 100%;
    height: 100%;
    background-color: var(--color-ui-border);
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    /* For production, this will be an img/bg-image */
    background-image: url('https://images.unsplash.com/photo-1542224566-6e85f2e6772f?auto=format&fit=crop&q=80&w=800');
    background-size: cover;
    background-position: center;
}

.hero-imagery:hover .hero-image {
    transform: scale(1.05);
}

/* Glassmorphism Search Panel */
.search-panel-wrapper {
    position: relative;
    margin-top: calc(var(--space-xl) * -0.5); /* Bridge the hero */
    z-index: 10;
    padding: 0 var(--space-md);
}

.glass-panel {
    max-width: 1000px;
    margin: 0 auto;
    background: rgba(250, 250, 249, 0.75);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: var(--shadow-glass);
    padding: var(--space-md) var(--space-lg);
    border-radius: 4px;
}

.search-tabs {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-ui-border);
    padding-bottom: var(--space-xs);
}

.search-tab-btn {
    background: none;
    border: none;
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    color: #888;
    cursor: pointer;
    transition: var(--transition-smooth);
    padding: 0.5rem 0;
    position: relative;
}

.search-tab-btn.active {
    color: var(--color-accent-dark-hex);
}

.search-tab-btn::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-warm-hex);
    transition: var(--transition-smooth);
}

.search-tab-btn.active::after {
    width: 100%;
}

.tab-content {
    display: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.tab-content.active {
    display: block;
    opacity: 1;
}

.search-form-inline {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

/* Premium Tour Cards */
.section-padding { padding: var(--space-xl) 0; }

.tour-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-md);
}

.premium-card {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    border-radius: 2px;
    background-color: var(--color-ui-bg-shift);
    cursor: pointer;
    group: card-group; /* Tailiwnd-like mental model */
}

.premium-card .card-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
}

.premium-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 70%;
    background: linear-gradient(to top, rgba(10, 47, 29, 0.9) 0%, rgba(10, 47, 29, 0) 100%);
    z-index: 2;
    opacity: 0.8;
    transition: opacity 0.6s ease;
}

.premium-card:hover .card-bg { transform: scale(1.05); }
.premium-card:hover::after { opacity: 1; }

.card-content-mask {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--space-md);
    z-index: 3;
    color: #fff;
    transform: translateY(2rem); /* Slide up effect */
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.premium-card:hover .card-content-mask {
    transform: translateY(0);
}

.card-content-mask h3 {
    color: #fff;
    font-size: var(--text-2xl);
    margin-bottom: var(--space-xs);
}

.card-meta {
    font-size: var(--text-sm);
    color: var(--color-accent-warm-hex);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
    display: block;
}

.card-hidden-details {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.premium-card:hover .card-hidden-details {
    opacity: 1;
    max-height: 200px;
    margin-top: var(--space-sm);
}

/* =========================================
   Admin Dashboard - Dark Mode SaaS Style
   ========================================= */

.admin-body {
    background-color: var(--admin-bg);
    color: var(--admin-text);
    font-family: 'Inter', sans-serif;
    display: flex;
    min-height: 100vh;
    margin: 0;
}

/* Admin Sidebar */
.admin-sidebar {
    width: 280px;
    background-color: var(--admin-panel-bg);
    border-right: 1px solid var(--admin-border);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
}

.admin-brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: var(--space-xl);
    letter-spacing: -0.02em;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.admin-nav a {
    padding: 0.75rem 1rem;
    color: var(--admin-text-muted);
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.admin-nav a:hover, .admin-nav a.active {
    background-color: rgba(255,255,255,0.05);
    color: #fff;
}

/* Admin Main Content */
.admin-main {
    flex-grow: 1;
    padding: var(--space-lg);
    overflow-y: auto;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--admin-border);
}

.admin-header h1 {
    color: #fff;
    font-family: 'Inter', sans-serif; /* Modern sans for admin h1 */
    letter-spacing: -0.02em;
    font-size: var(--text-2xl);
    font-weight: 500;
}

/* Admin Cards */
.admin-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.admin-card {
    background: var(--admin-panel-bg);
    border: 1px solid var(--admin-border);
    padding: var(--space-md);
    border-radius: 8px;
    transition: border-color 0.3s ease;
}
.admin-card:hover {
    border-color: #444;
}

.admin-card h3 {
    font-family: 'Inter', sans-serif;
    color: var(--admin-text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}
.admin-card .stat {
    font-size: 2.5rem;
    color: #fff;
    font-weight: 300;
}

/* Admin Tables */
.admin-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.admin-table th, .admin-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--admin-border);
    text-align: left;
    font-size: 0.9rem;
}

.admin-table th {
    color: var(--admin-text-muted);
    font-weight: 500;
}

.admin-table td {
    color: #fff;
}

/* Admin Forms */
.admin-form-group {
    margin-bottom: 1.5rem;
}

.admin-form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    color: var(--admin-text-muted);
    font-weight: 500;
}

.admin-input {
    width: 100%;
    background: var(--admin-bg);
    border: 1px solid var(--admin-border);
    color: #fff;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-family: 'Inter', sans-serif;
    transition: all 0.2s ease;
}

.admin-input:focus {
    outline: none;
    border-color: #666;
    background: #000;
}

.admin-btn {
    background: #fff;
    color: #000;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.admin-btn:hover {
    opacity: 0.9;
}
.admin-btn-outline {
    background: transparent;
    color: #fff;
    border: 1px solid var(--admin-border);
}
.admin-btn-outline:hover {
    background: rgba(255,255,255,0.05);
}
.admin-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    font-size: 0.75rem;
}