/* ============================================
   Hermanos — Premium License Store
   Modern, clean design inspired by Lovable AI
   ============================================ */

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

:root {
    --bg-primary: #0a0a1a;
    --bg-secondary: #0f0f23;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --bg-input: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #a78bfa;
    --accent-hover: #8b5cf6;
    --accent-glow: rgba(167, 139, 250, 0.15);
    --accent-blue: #818cf8;
    --success: #4ade80;
    --success-bg: rgba(34, 197, 94, 0.1);
    --warning: #fbbf24;
    --warning-bg: rgba(251, 191, 36, 0.1);
    --danger: #f87171;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 40px rgba(167, 139, 250, 0.1);
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* === Light Theme === */
:root[data-theme="light"] {
    --bg-primary: #f8f9fc;
    --bg-secondary: #ffffff;
    --bg-card: rgba(0, 0, 0, 0.02);
    --bg-card-hover: rgba(0, 0, 0, 0.04);
    --bg-input: rgba(0, 0, 0, 0.03);
    --border: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent: #7c3aed;
    --accent-hover: #6d28d9;
    --accent-glow: rgba(124, 58, 237, 0.1);
    --accent-blue: #6366f1;
    --success: #16a34a;
    --success-bg: rgba(22, 163, 74, 0.08);
    --warning: #d97706;
    --warning-bg: rgba(217, 119, 6, 0.08);
    --danger: #dc2626;
    --danger-bg: rgba(220, 38, 38, 0.06);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
    --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.06);
}

[data-theme="light"] body::before {
    background: radial-gradient(ellipse at 50% -20%, rgba(124,58,237,0.05) 0%, transparent 70%);
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.85);
}

[data-theme="light"] .nav-toggle span {
    background: var(--text-secondary);
}

[data-theme="light"] .mobile-menu {
    background: var(--bg-secondary);
}

[data-theme="light"] .brand-text {
    background: linear-gradient(135deg, #7c3aed, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .card-features li::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2316a34a'%3E%3Cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3E%3C/svg%3E");
}

[data-theme="light"] ::-webkit-scrollbar-track { background: #f1f5f9; }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); }
[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.25); }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Subtle background gradient */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 600px;
    background: radial-gradient(ellipse at 50% -20%, rgba(167,139,250,0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }

/* === Navigation === */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(10, 10, 26, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    height: 64px;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
}

.brand-icon { display: flex; }

.brand-text {
    background: linear-gradient(135deg, var(--accent), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

.nav-user {
    position: relative;
    margin-left: 8px;
}

.nav-user-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 14px;
    font-family: var(--font);
    transition: var(--transition);
}

.nav-user-btn:hover { border-color: var(--border-hover); }

.avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: white;
}

.nav-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.nav-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.dropdown-item:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
}

.dropdown-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 6px 0;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 20px; height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    z-index: 999;
    flex-direction: column;
    gap: 4px;
}

.mobile-menu.show { display: flex; }

.mobile-link {
    display: block;
    padding: 12px 16px;
    font-size: 15px;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.mobile-link:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
}

/* === Main Content === */
.main-content {
    padding-top: 64px;
    min-height: calc(100vh - 64px);
    position: relative;
    z-index: 1;
}

/* === Hero Section === */
.hero {
    text-align: center;
    padding: 80px 24px 40px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: var(--accent-glow);
    border: 1px solid rgba(167, 139, 250, 0.2);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.hero h1 .gradient {
    background: linear-gradient(135deg, var(--accent), var(--accent-blue), #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 540px;
    margin: 0 auto;
    line-height: 1.7;
}

/* === Product Grid === */
.products-section {
    padding: 40px 0 80px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.section-title {
    font-size: 20px;
    font-weight: 700;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
}

/* === Product Card === */
.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

.card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 16px;
}

.card-icon {
    width: 48px; height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent-glow), rgba(129, 140, 248, 0.1));
    border: 1px solid rgba(167, 139, 250, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon svg { width: 24px; height: 24px; color: var(--accent); }

.card-badge {
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 100px;
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid rgba(167, 139, 250, 0.2);
}

.card-badge.enterprise { background: rgba(59, 130, 246, 0.1); color: #60a5fa; border-color: rgba(59, 130, 246, 0.2); }
.card-badge.best-value { background: var(--success-bg); color: var(--success); border-color: rgba(34, 197, 94, 0.2); }
.card-badge.creative { background: rgba(236, 72, 153, 0.1); color: #f472b6; border-color: rgba(236, 72, 153, 0.2); }

.card-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.card-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.card-features {
    list-style: none;
    margin-bottom: 24px;
}

.card-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.card-features li::before {
    content: '';
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--success-bg);
    flex-shrink: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%234ade80'%3E%3Cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3E%3C/svg%3E");
    background-size: 12px;
    background-position: center;
    background-repeat: no-repeat;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.card-price {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.card-price .currency {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-muted);
    margin-right: 2px;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-blue));
    color: white;
    box-shadow: 0 2px 12px rgba(167, 139, 250, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 4px 20px rgba(167, 139, 250, 0.35);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.btn-danger {
    background: var(--danger-bg);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.btn-danger:hover { background: rgba(239, 68, 68, 0.15); }

.btn-success {
    background: var(--success-bg);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.btn-success:hover { background: rgba(34, 197, 94, 0.15); }

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* === Forms === */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    font-family: var(--font);
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

.form-input::placeholder { color: var(--text-muted); }

.form-textarea { resize: vertical; min-height: 100px; }

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='%2394a3b8'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--danger); margin-top: 4px; }

/* === Auth Pages === */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 64px);
    padding: 40px 24px;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.auth-header p {
    font-size: 14px;
    color: var(--text-secondary);
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--accent);
    font-weight: 500;
}

.auth-footer a:hover { text-decoration: underline; }

/* === Alert Messages === */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success { background: var(--success-bg); border: 1px solid rgba(34, 197, 94, 0.2); color: var(--success); }
.alert-error { background: var(--danger-bg); border: 1px solid rgba(239, 68, 68, 0.2); color: var(--danger); }
.alert-warning { background: var(--warning-bg); border: 1px solid rgba(251, 191, 36, 0.2); color: var(--warning); }
.alert-info { background: rgba(59, 130, 246, 0.1); border: 1px solid rgba(59, 130, 246, 0.2); color: #60a5fa; }

/* === Dashboard === */
.dashboard-page {
    padding: 40px 0 80px;
}

.page-header {
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 15px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
}

.stat-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.stat-value.accent { color: var(--accent); }
.stat-value.success { color: var(--success); }
.stat-value.warning { color: var(--warning); }

/* === Tables === */
.table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.table-title {
    font-size: 16px;
    font-weight: 700;
}

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

th {
    text-align: left;
    padding: 12px 24px;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,0.02);
}

td {
    padding: 14px 24px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }

/* === Status Badges === */
.status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
}

.status-pending { background: var(--warning-bg); color: var(--warning); }
.status-confirmed, .status-active { background: var(--success-bg); color: var(--success); }
.status-delivered { background: rgba(59, 130, 246, 0.1); color: #60a5fa; }
.status-cancelled, .status-revoked, .status-expired { background: var(--danger-bg); color: var(--danger); }

.status::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* === License Key Display === */
.license-key {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.05em;
    padding: 8px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--accent);
}

.copy-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px;
    transition: var(--transition);
}

.copy-btn:hover { color: var(--text-primary); }

/* === Checkout Page === */
.checkout-page {
    padding: 40px 0 80px;
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 32px;
    align-items: start;
}

.checkout-product {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.checkout-summary {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    position: sticky;
    top: 88px;
}

.payment-methods {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 20px 0;
}

.payment-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.payment-option:hover { border-color: var(--border-hover); }
.payment-option.selected { border-color: var(--accent); background: var(--accent-glow); }

.payment-option input[type="radio"] { display: none; }

.radio-custom {
    width: 20px; height: 20px;
    border-radius: 50%;
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.payment-option.selected .radio-custom {
    border-color: var(--accent);
}

.payment-option.selected .radio-custom::after {
    content: '';
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--accent);
}

.payment-label {
    font-size: 14px;
    font-weight: 600;
}

.payment-desc {
    font-size: 12px;
    color: var(--text-muted);
}

.wallet-info {
    margin-top: 20px;
    padding: 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.wallet-address {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 12px;
    word-break: break-all;
    color: var(--accent);
    padding: 8px;
    background: rgba(0,0,0,0.2);
    border-radius: var(--radius-sm);
    margin-top: 8px;
}

.order-summary-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
}

.order-total {
    display: flex;
    justify-content: space-between;
    padding-top: 16px;
    margin-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 18px;
    font-weight: 700;
}

/* === Footer === */
.footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
    position: relative;
    z-index: 1;
}

.footer-content {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 24px;
}

.footer-tagline {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-links a:hover { color: var(--text-primary); }

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-muted);
}

/* === Admin Panel === */
.admin-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: calc(100vh - 64px);
}

.admin-sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 24px 16px;
}

.admin-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.admin-nav-item:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
}

.admin-nav-item.active {
    background: var(--accent-glow);
    color: var(--accent);
}

.admin-main {
    padding: 32px;
}

/* === Empty States === */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state-icon {
    width: 64px; height: 64px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.empty-state h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 20px;
}

/* === Utilities === */
.text-danger { color: var(--danger) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-accent { color: var(--accent) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }

/* === Theme Toggle === */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    margin-left: 4px;
    flex-shrink: 0;
}

.theme-toggle:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.theme-toggle .icon-sun { display: block; }
.theme-toggle .icon-moon { display: none; }

[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }

/* === Loading Spinner === */
.spinner {
    width: 20px; height: 20px;
    border: 2px solid rgba(255,255,255,0.2);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* === Responsive === */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-toggle { display: flex; }

    .hero { padding: 60px 16px 30px; }
    .hero p { font-size: 16px; }

    .product-grid { grid-template-columns: 1fr; }
    .checkout-grid { grid-template-columns: 1fr; }
    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar { display: none; }

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

    .auth-card { padding: 28px; }

    table { font-size: 13px; }
    th, td { padding: 10px 14px; }

    .footer-content { flex-direction: column; gap: 20px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: 1fr; }
}

/* === Scrollbar === */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }

/* === Toast Notifications === */
.toast-container {
    position: fixed;
    top: 80px;
    right: 24px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    animation: slideIn 0.3s ease;
    max-width: 360px;
}

.toast-success { background: var(--success-bg); border: 1px solid rgba(34, 197, 94, 0.3); color: var(--success); }
.toast-error { background: var(--danger-bg); border: 1px solid rgba(239, 68, 68, 0.3); color: var(--danger); }

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