/* ============================================
   ELEGANT PREMIUM THEME - Sophisticated & Luxurious
   ============================================ */

:root {
    /* Color Palette - Light Mode */
    --primary-color: #1a1a2e;
    --primary-hover: #0f0f1e;
    --primary-light: #f5f5f5;
    --primary-accent: #c9a961;
    --primary-accent-hover: #b8944f;
    --secondary-color: #6b7280;
    --secondary-hover: #4b5563;
    --accent-color: #d4af37;
    --background-light: #fafafa;
    --background-secondary: #f5f5f5;
    --background-dark: #1a1a2e;
    --text-main: #1a1a2e;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --card-light: #ffffff;
    --card-dark: #1a1a2e;
    --card-accent: #f9f9f9;
    --border-color: #e5e7eb;
    --border-hover: #d1d5db;
    --success-color: #10b981;
    --danger-color: #dc2626;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(26, 26, 46, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(26, 26, 46, 0.1), 0 2px 4px -1px rgba(26, 26, 46, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(26, 26, 46, 0.1), 0 4px 6px -2px rgba(26, 26, 46, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(26, 26, 46, 0.1), 0 10px 10px -5px rgba(26, 26, 46, 0.04);
    --shadow-elegant: 0 25px 50px -12px rgba(26, 26, 46, 0.25);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Typography */
    --font-family-heading: 'Playfair Display', Georgia, serif;
    --font-family-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-elegant: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --background-light: #0f0f1e;
        --background-secondary: #1a1a2e;
        --text-main: #f5f5f5;
        --text-secondary: #d1d5db;
        --text-muted: #9ca3af;
        --card-light: #1a1a2e;
        --card-dark: #0f0f1e;
        --card-accent: #252540;
        --border-color: #374151;
        --border-hover: #4b5563;
        --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
        --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
    }
}

[data-theme="dark"] {
    --background-light: #0f0f1e;
    --background-secondary: #1a1a2e;
    --text-main: #f5f5f5;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --card-light: #1a1a2e;
    --card-dark: #0f0f1e;
    --card-accent: #252540;
    --border-color: #374151;
    --border-hover: #4b5563;
}

/* ============================================
   BASE STYLES
   ============================================ */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.7;
    color: var(--text-main);
    background-color: var(--background-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-elegant), color var(--transition-elegant);
    letter-spacing: 0.01em;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    color: var(--text-main);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.01em;
}

h1 { 
    font-size: 3.5rem; 
    font-weight: var(--font-weight-extrabold);
}
h2 { 
    font-size: 2.75rem; 
    font-weight: var(--font-weight-bold);
}
h3 { 
    font-size: 2.25rem; 
    font-weight: var(--font-weight-bold);
}
h4 { 
    font-size: 1.875rem; 
    font-weight: var(--font-weight-semibold);
}
h5 { 
    font-size: 1.5rem; 
    font-weight: var(--font-weight-semibold);
}
h6 { 
    font-size: 1.25rem; 
    font-weight: var(--font-weight-medium);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
}

a:hover {
    color: var(--primary-accent);
}

.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-accent { color: var(--primary-accent) !important; }

/* ============================================
   HEADER
   ============================================ */

header {
    background-color: var(--card-light);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
}

header .navbar-brand {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-xl);
    color: var(--text-main) !important;
    letter-spacing: 0.05em;
}

header .nav-link {
    color: var(--text-secondary) !important;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-md) !important;
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.8125rem;
    position: relative;
}

header .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--primary-accent);
    transition: width var(--transition-base);
}

header .nav-link:hover {
    color: var(--primary-color) !important;
}

header .nav-link:hover::after {
    width: 80%;
}

header .form-control {
    background-color: var(--card-accent);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    transition: all var(--transition-base);
    border-radius: 0;
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-md);
}

header .form-control:focus {
    background-color: var(--card-light);
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 1px var(--primary-accent);
    color: var(--text-main);
    outline: none;
}

header .form-control::placeholder {
    color: var(--text-muted);
    font-style: italic;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    font-weight: var(--font-weight-semibold);
    border-radius: 0;
    padding: var(--spacing-sm) var(--spacing-xl);
    transition: all var(--transition-elegant);
    border: 2px solid transparent;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: var(--font-size-sm);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: var(--primary-accent);
    transition: left var(--transition-elegant);
    z-index: 0;
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

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

.btn-primary:hover::before {
    left: 0;
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background-color: transparent;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-link {
    color: var(--text-secondary);
    padding: var(--spacing-sm);
    border-radius: 0;
}

.btn-link:hover {
    color: var(--primary-accent);
    background-color: transparent;
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background-color: var(--card-light);
    border: 1px solid var(--border-color);
    border-radius: 0;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-elegant);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--primary-accent);
    transform: scaleX(0);
    transition: transform var(--transition-elegant);
}

.card:hover {
    box-shadow: var(--shadow-elegant);
    transform: translateY(-4px);
    border-color: var(--primary-accent);
}

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

.card-img-top {
    transition: transform var(--transition-elegant);
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

.card-body {
    padding: var(--spacing-xl);
}

.card-title {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    color: var(--text-main);
    margin-bottom: var(--spacing-md);
}

.card-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

/* ============================================
   FORMS
   ============================================ */

.form-control,
.form-select {
    background-color: var(--card-accent);
    border: 1px solid var(--border-color);
    border-radius: 0;
    color: var(--text-main);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: all var(--transition-base);
    font-size: var(--font-size-sm);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--card-light);
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 1px var(--primary-accent);
    color: var(--text-main);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted);
    font-style: italic;
}

.form-label {
    font-weight: var(--font-weight-semibold);
    color: var(--text-main);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: var(--font-size-sm);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero-section {
    background-color: var(--background-light);
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, var(--card-accent) 100%);
    opacity: 0.3;
    z-index: 0;
}

.hero-title {
    font-size: 4rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--text-main);
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    position: relative;
    z-index: 1;
    font-weight: var(--font-weight-normal);
    line-height: 1.8;
}

/* ============================================
   PRODUCT CARDS
   ============================================ */

.product-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card .card-img-top {
    height: 250px;
    object-fit: cover;
    background-color: var(--card-accent);
}

.product-card .card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card .card-title {
    font-size: var(--font-size-lg);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card .price {
    font-weight: var(--font-weight-bold);
    color: var(--primary-accent);
    font-size: var(--font-size-xl);
    margin-top: auto;
    font-family: var(--font-family-heading);
}

/* ============================================
   FOOTER
   ============================================ */

footer {
    background-color: var(--card-dark);
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0;
    margin-top: auto;
}

footer a {
    color: var(--text-secondary);
    transition: all var(--transition-base);
    position: relative;
}

footer a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--primary-accent);
    transition: width var(--transition-base);
}

footer a:hover {
    color: var(--primary-accent);
}

footer a:hover::after {
    width: 100%;
}

/* ============================================
   UTILITIES
   ============================================ */

.bg-primary { background-color: var(--primary-color) !important; }
.bg-light { background-color: var(--background-secondary) !important; }
.bg-dark { background-color: var(--card-dark) !important; }
.bg-accent { background-color: var(--primary-accent) !important; }

.border-primary { border-color: var(--primary-color) !important; }
.border-light { border-color: var(--border-color) !important; }
.border-accent { border-color: var(--primary-accent) !important; }

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-elegant { box-shadow: var(--shadow-elegant) !important; }

.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded-md { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

:focus-visible {
    outline: 2px solid var(--primary-accent);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--primary-accent);
    outline-offset: 2px;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInElegant {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInElegant 0.6s ease-out;
}

/* ============================================
   DARK MODE FIXES
   ============================================ */

@media (prefers-color-scheme: dark) {
    .bg-white {
        background-color: var(--card-light) !important;
    }
    
    .text-dark {
        color: var(--text-main) !important;
    }
    
    .text-light {
        color: var(--text-secondary) !important;
    }
    
    .border-light {
        border-color: var(--border-color) !important;
    }
}

[data-theme="dark"] {
    .bg-white {
        background-color: var(--card-light) !important;
    }
    
    .text-dark {
        color: var(--text-main) !important;
    }
    
    .text-light {
        color: var(--text-secondary) !important;
    }
    
    .border-light {
        border-color: var(--border-color) !important;
    }
}