/* =====================================================
   LEFTYSHOP - AURORA DESIGN SYSTEM v2.0
   A modern, vibrant e-commerce experience
   ===================================================== */

/* ==================== Design Tokens ==================== */
:root {
    /* Primary Colors - Aurora Theme */
    --primary-bg: #0a0a0f;
    --secondary-bg: #12121a;
    --tertiary-bg: #1a1a2e;
    --main-bg: #0a0a0f;

    /* Accent Colors */
    --accent-primary: #ef4444;
    --accent-secondary: #dc2626;
    --accent-tertiary: #f87171;
    --accent-cyan: #fca5a5;
    --accent-orange: #fb923c;
    --accent-green: #10b981;
    --accent-red: #ef4444;

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Glass Effects */
    --glass-bg: rgba(18, 18, 26, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.05);

    /* Borders & Shadows */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(239, 68, 68, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(239, 68, 68, 0.15);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-secondary: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    --gradient-aurora: linear-gradient(
        135deg,
        #ef4444 0%,
        #f87171 25%,
        #dc2626 50%,
        #b91c1c 75%,
        #991b1b 100%
    );
    --gradient-text: linear-gradient(
        135deg,
        #ef4444 0%,
        #f87171 50%,
        #fca5a5 100%
    );
    --gradient-card: linear-gradient(
        145deg,
        rgba(26, 26, 46, 0.8) 0%,
        rgba(18, 18, 26, 0.9) 100%
    );

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Typography */
    --font-sans:
        "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", monospace;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background: var(--main-bg);
}

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

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* ==================== Custom Scrollbar ==================== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--primary-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    border: 2px solid var(--primary-bg);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* ==================== Aurora Background ==================== */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    background: var(--primary-bg);
}

.aurora-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background:
        radial-gradient(
            ellipse 80% 50% at 20% 40%,
            rgba(239, 68, 68, 0.12) 0%,
            transparent 50%
        ),
        radial-gradient(
            ellipse 60% 40% at 80% 20%,
            rgba(220, 38, 38, 0.12) 0%,
            transparent 50%
        ),
        radial-gradient(
            ellipse 70% 50% at 60% 80%,
            rgba(248, 113, 113, 0.08) 0%,
            transparent 50%
        ),
        var(--primary-bg);
}

/* ==================== Loading Screen ==================== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition:
        opacity 0.5s ease,
        visibility 0.5s ease;
}

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

.loader {
    text-align: center;
}

.loader-circle {
    width: 56px;
    height: 56px;
    border: 3px solid var(--glass-border);
    border-top: 3px solid var(--accent-primary);
    border-right: 3px solid var(--accent-secondary);
    border-radius: 50%;
    animation: loaderSpin 1s linear infinite;
    margin: 0 auto 16px;
}

.loader-text {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
}

@keyframes loaderSpin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* ==================== Typography ==================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

.text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== Navigation ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.nav-brand .brand-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.brand-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-link {
    position: relative;
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--glass-highlight);
}

.nav-link.admin-link {
    background: var(--gradient-primary);
    color: var(--primary-bg);
    font-weight: 600;
}

.nav-link.admin-link:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    background: transparent;
    border: none;
    z-index: 1001;
    position: relative;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.nav-toggle:hover {
    background: var(--glass-highlight);
}

.bar {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

/* ==================== Main Content ==================== */
.main-content {
    min-height: 100vh;
    position: relative;
    z-index: 1;
    background: var(--main-bg);
}

main {
    background: var(--main-bg);
}

/* ==================== Toast Notifications ==================== */
.toast-container {
    position: fixed;
    top: 88px;
    right: var(--space-lg);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: 400px;
}

.toast {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    animation: toastSlideIn 0.3s ease;
}

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

.toast-success {
    border-left: 4px solid var(--accent-primary);
}

.toast-error {
    border-left: 4px solid var(--accent-red);
}

.toast-info {
    border-left: 4px solid var(--accent-cyan);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-primary);
}

.toast-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.toast-close:hover {
    color: var(--text-primary);
    background: var(--glass-highlight);
}

/* ==================== Hero Section ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px var(--space-lg) var(--space-3xl);
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background:
        radial-gradient(
            ellipse 50% 80% at 50% 0%,
            rgba(239, 68, 68, 0.15) 0%,
            transparent 50%
        ),
        radial-gradient(
            ellipse 40% 60% at 30% 30%,
            rgba(220, 38, 38, 0.12) 0%,
            transparent 50%
        ),
        radial-gradient(
            ellipse 40% 60% at 70% 40%,
            rgba(34, 211, 238, 0.08) 0%,
            transparent 50%
        );
    pointer-events: none;
}

.hero-container {
    position: relative;
    text-align: center;
    max-width: 900px;
    z-index: 1;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 5rem);
    font-weight: 900;
    letter-spacing: -2px;
    margin-bottom: var(--space-lg);
    background: var(--gradient-aurora);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientFlow 5s linear infinite;
}

@keyframes gradientFlow {
    0% {
        background-position: 0% center;
    }
    100% {
        background-position: 200% center;
    }
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--gradient-primary);
    color: var(--primary-bg);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    box-shadow: 0 4px 24px rgba(239, 68, 68, 0.3);
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(239, 68, 68, 0.4);
}

.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.5;
    animation: floatShape 20s ease-in-out infinite;
}

.shape:nth-child(1) {
    width: 400px;
    height: 400px;
    background: rgba(239, 68, 68, 0.2);
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.shape:nth-child(2) {
    width: 300px;
    height: 300px;
    background: rgba(220, 38, 38, 0.2);
    top: 40%;
    right: -5%;
    animation-delay: -5s;
}

.shape:nth-child(3) {
    width: 250px;
    height: 250px;
    background: rgba(244, 114, 182, 0.2);
    bottom: 10%;
    left: 30%;
    animation-delay: -10s;
}

@keyframes floatShape {
    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(30px, -30px) rotate(90deg);
    }
    50% {
        transform: translate(-20px, 20px) rotate(180deg);
    }
    75% {
        transform: translate(10px, -10px) rotate(270deg);
    }
}

/* ==================== Stats Section ==================== */
.stats {
    padding: var(--space-2xl) var(--space-lg);
    margin-top: -80px;
    position: relative;
    z-index: 2;
}

.stats-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.stat-item {
    text-align: center;
    padding: var(--space-xl);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-xs);
    display: block;
}

.stat-number span {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==================== Products Section ==================== */
.products-section {
    padding: var(--space-3xl) var(--space-lg);
    position: relative;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--space-md);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

/* ==================== Product Card - New Design ==================== */
.product-card {
    position: relative;
    background: var(--gradient-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
}

.product-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: rgba(239, 68, 68, 0.3);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 60px rgba(239, 68, 68, 0.1);
}

.product-card:hover::before {
    opacity: 1;
}

.product-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--tertiary-bg);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.product-placeholder {
    font-size: 3rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.product-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: var(--gradient-primary);
    color: var(--primary-bg);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
    z-index: 2;
}

.product-info {
    padding: var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: var(--space-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.product-price {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    margin-top: auto;
}

.price-current {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-old {
    font-size: 1rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.product-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md);
    margin-top: var(--space-md);
    background: var(--glass-highlight);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-base);
}

.product-cta:hover {
    background: var(--gradient-primary);
    color: var(--primary-bg);
    border-color: transparent;
}

.product-link {
    text-decoration: none;
    display: block;
    height: 100%;
}

/* ==================== Features Section ==================== */
.features-section {
    padding: var(--space-3xl) 0;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(239, 68, 68, 0.03) 50%,
        transparent 100%
    );
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: var(--space-xl);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-secondary);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    background: var(--gradient-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ==================== Footer ==================== */
.footer {
    padding: var(--space-3xl) var(--space-lg) var(--space-xl);
    background: rgba(10, 10, 15, 0.95);
    border-top: 1px solid var(--glass-border);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-subtitle {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-highlight);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: var(--primary-bg);
    border-color: transparent;
    transform: translateY(-2px);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

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

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==================== Glass Card Utility ==================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
}

/* ==================== Buttons ==================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--gradient-primary);
    color: var(--primary-bg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.3);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--glass-highlight);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
}

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

.btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
}

.btn-danger:hover {
    background: var(--accent-red);
    color: white;
    border-color: var(--accent-red);
}

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

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.1rem;
}

/* ==================== Form Elements ==================== */
input,
select,
textarea {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    transition: var(--transition-base);
    width: 100%;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

/* ==================== Modal ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

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

.modal-content {
    background: var(--secondary-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition-base);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

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

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
    background: var(--glass-highlight);
}

/* ==================== Tables ==================== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

table {
    width: 100%;
    border-collapse: collapse;
}

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

th {
    background: var(--glass-highlight);
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

td {
    color: var(--text-secondary);
}

tr:hover td {
    background: var(--glass-highlight);
}

tr:last-child td {
    border-bottom: none;
}

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

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
}

.badge-warning {
    background: rgba(251, 146, 60, 0.15);
    color: var(--accent-orange);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

.badge-info {
    background: rgba(34, 211, 238, 0.15);
    color: var(--accent-cyan);
}

.badge-primary {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-primary);
}

/* ==================== Utility Classes ==================== */
.text-center {
    text-align: center;
}
.text-left {
    text-align: left;
}
.text-right {
    text-align: right;
}

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

.font-bold {
    font-weight: 700;
}
.font-semibold {
    font-weight: 600;
}
.font-medium {
    font-weight: 500;
}

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

.w-full {
    width: 100%;
}
.h-full {
    height: 100%;
}

.mt-auto {
    margin-top: auto;
}
.mb-0 {
    margin-bottom: 0;
}

.hidden {
    display: none;
}

/* ==================== Animations ==================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--glass-bg) 25%,
        var(--glass-highlight) 50%,
        var(--glass-bg) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

/* ==================== Responsive Design ==================== */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-container {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --space-lg: 20px;
        --space-xl: 28px;
        --space-2xl: 40px;
        --space-3xl: 56px;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 80px 20px 40px;
        gap: 8px;
        opacity: 0;
        visibility: hidden;
        transition:
            opacity 0.3s ease,
            visibility 0.3s ease;
        z-index: 999;
        overflow-y: auto;
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        width: 100%;
        max-width: 300px;
        padding: 16px 24px;
        text-align: center;
        font-size: 1.2rem;
        font-weight: 500;
        color: var(--text-primary);
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 12px;
        transition: all 0.2s ease;
    }

    .nav-link:hover,
    .nav-link:active {
        background: rgba(239, 68, 68, 0.2);
        border-color: rgba(239, 68, 68, 0.4);
        transform: scale(1.02);
    }

    .nav-link.admin-link {
        background: var(--gradient-primary);
        border: none;
    }

    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 44px;
        min-height: 44px;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero {
        min-height: auto;
        padding: 120px var(--space-md) var(--space-2xl);
    }

    .hero-title {
        font-size: clamp(2.5rem, 8vw, 3.5rem);
    }

    .stats {
        margin-top: -40px;
        padding: var(--space-lg);
    }

    .stats-container {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .stat-item {
        padding: var(--space-lg);
        display: flex;
        align-items: center;
        gap: var(--space-md);
        text-align: left;
    }

    .stat-number {
        font-size: 2rem;
        margin-bottom: 0;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .products-section {
        padding: var(--space-2xl) var(--space-md);
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .toast-container {
        left: var(--space-md);
        right: var(--space-md);
    }

    .toast {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px var(--space-sm) var(--space-xl);
    }

    .hero-title {
        font-size: 2.25rem;
        letter-spacing: -1px;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        padding: var(--space-md) var(--space-lg);
        font-size: 1rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .product-card {
        border-radius: var(--radius-lg);
    }

    .product-info {
        padding: var(--space-md);
    }

    .product-name {
        font-size: 1rem;
    }

    .price-current {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .stat-item {
        padding: var(--space-md);
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .btn-primary,
    .btn-secondary {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.9rem;
    }

    .modal-content {
        padding: var(--space-lg);
        margin: var(--space-md);
    }
}

/* ==================== Print Styles ==================== */
@media print {
    .navbar,
    .footer,
    .toast-container,
    .nav-toggle {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .glass-card {
        background: white;
        border: 1px solid #ddd;
    }
}