/* =============================================
   Shoptimasi Member Area — Design System
   Premium dark theme with purple-blue gradients
   ============================================= */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── CSS Variables ── */
:root {
    /* Primary Colors */
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    --primary-800: #3730a3;
    --primary-900: #312e81;

    /* Accent */
    --accent-400: #a78bfa;
    --accent-500: #8b5cf6;
    --accent-600: #7c3aed;

    /* Neutrals (Dark Theme) */
    --dark-50: #f8fafc;
    --dark-100: #f1f5f9;
    --dark-200: #e2e8f0;
    --dark-300: #cbd5e1;
    --dark-400: #94a3b8;
    --dark-500: #64748b;
    --dark-600: #475569;
    --dark-700: #334155;
    --dark-800: #1e293b;
    --dark-900: #0f172a;
    --dark-950: #020617;

    /* Semantic */
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;

    /* Membership Colors */
    --membership-free: #6b7280;
    --membership-basic: #3b82f6;
    --membership-premium: #8b5cf6;
    --membership-enterprise: #f59e0b;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --gradient-card: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(168, 85, 247, 0.15) 100%);

    /* Glass */
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(148, 163, 184, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: var(--dark-200);
    background-color: var(--dark-950);
    min-height: 100vh;
}

a {
    color: var(--primary-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-300);
}

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

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
    color: var(--dark-50);
    font-weight: 700;
    line-height: 1.3;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.5;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
    color: white;
}

.btn-secondary {
    background: var(--dark-700);
    color: var(--dark-200);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--dark-600);
    color: var(--dark-50);
}

.btn-success {
    background: linear-gradient(135deg, #059669, #10b981);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, #d97706, #f59e0b);
    color: white;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

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

/* ── Form Elements ── */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--dark-300);
    margin-bottom: 0.375rem;
}

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--dark-100);
    background: var(--dark-800);
    border: 1px solid var(--dark-600);
    border-radius: var(--radius-lg);
    outline: none;
    transition: all var(--transition-base);
}

.form-control:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    background: var(--dark-900);
}

.form-control::placeholder {
    color: var(--dark-500);
}

.form-control.is-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-error {
    font-size: 0.8125rem;
    color: var(--danger);
    margin-top: 0.25rem;
}

.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 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.input-group {
    position: relative;
}

.input-group .input-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--dark-400);
    pointer-events: none;
    font-size: 1.125rem;
}

.input-group .form-control {
    padding-left: 2.75rem;
}

.input-group .toggle-password {
    position: absolute;
    right: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--dark-400);
    cursor: pointer;
    background: none;
    border: none;
    font-size: 1.125rem;
    padding: 0.25rem;
    transition: color var(--transition-fast);
}

.input-group .toggle-password:hover {
    color: var(--dark-200);
}

/* ── Cards ── */
.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: rgba(148, 163, 184, 0.15);
}

.card-body {
    padding: var(--space-lg);
}

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

/* ── Alerts ── */
.alert {
    padding: 0.875rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    margin-bottom: 1.25rem;
    border: 1px solid transparent;
    animation: alertSlideIn 0.3s ease-out;
}

@keyframes alertSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

/* ── Badges ── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-free { background: rgba(107, 114, 128, 0.2); color: #9ca3af; }
.badge-basic { background: rgba(59, 130, 246, 0.2); color: #60a5fa; }
.badge-premium { background: rgba(139, 92, 246, 0.2); color: #a78bfa; }
.badge-enterprise { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.badge-active { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.badge-inactive { background: rgba(239, 68, 68, 0.2); color: #f87171; }

/* ── Tables ── */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table thead {
    background: rgba(99, 102, 241, 0.05);
}

.table th {
    padding: 0.875rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--dark-300);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--glass-border);
}

.table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.05);
    color: var(--dark-200);
}

.table tbody tr {
    transition: background var(--transition-fast);
}

.table tbody tr:hover {
    background: rgba(99, 102, 241, 0.03);
}

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

/* ── Pagination ── */
.pagination {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    justify-content: center;
    margin-top: var(--space-lg);
}

.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    color: var(--dark-300);
    transition: all var(--transition-fast);
}

.pagination a:hover {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
}

.pagination .active {
    background: var(--gradient-accent);
    border-color: transparent;
    color: white;
}

.pagination .disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* ── Stats Card ── */
.stat-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: var(--gradient-glow);
    border-radius: 0 0 0 100%;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: rgba(148, 163, 184, 0.15);
    box-shadow: var(--shadow-glow);
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.stat-icon.purple { background: rgba(139, 92, 246, 0.15); color: var(--accent-400); }
.stat-icon.blue { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.stat-icon.green { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.stat-icon.amber { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.stat-icon.red { background: rgba(239, 68, 68, 0.15); color: #f87171; }

.stat-content h4 {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--dark-400);
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark-50);
    line-height: 1.2;
}

.stat-change {
    font-size: 0.75rem;
    font-weight: 500;
    margin-top: 0.25rem;
}

.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

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

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

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ── Utility Classes ── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--dark-400); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.flex-wrap { flex-wrap: wrap; }

.w-full { width: 100%; }

/* ── Animations ── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

.animate-in {
    animation: fadeInUp 0.5s ease-out forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--dark-900);
}

::-webkit-scrollbar-thumb {
    background: var(--dark-600);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-500);
}

/* ── Selection ── */
::selection {
    background: rgba(99, 102, 241, 0.3);
    color: white;
}