/*
 * TzPay — Master Stylesheet
 * Gold (#F5A623) brand palette · Dark fintech theme
 */

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

:root {
    /* Brand - True Premium Gold */
    --primary: #D4AF37;
    --primary-dark: #B8860B;
    --primary-light: #FFD700;
    --primary-glow: rgba(212, 175, 55, 0.15);

    /* Background & Surface - Ultra Dark */
    --bg: #0A0A0B;
    --bg-card: rgba(22, 22, 26, 0.7);
    --bg-card-hover: rgba(30, 30, 35, 0.8);
    --bg-input: #1C1C1E;
    --bg-nav: #0F0F11;

    /* Text */
    --text: #F8F8F8;
    --text-secondary: #A1A1AA;
    --text-muted: #71717A;
    --text-label: #8E8E93;

    /* Borders */
    --border: rgba(212, 175, 55, 0.12);
    --border-light: rgba(212, 175, 55, 0.2);

    /* Status */
    --success: #10B981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --warning: #F59E0B;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --danger: #EF4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --info: #3B82F6;
    --info-bg: rgba(59, 130, 246, 0.1);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
    --shadow: 0 10px 40px rgba(0,0,0,0.5);
    --shadow-lg: 0 30px 60px rgba(0,0,0,0.7);

    /* Radius */
    --radius: 18px;
    --radius-sm: 12px;
    --radius-xs: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Blur */
    --blur: 15px;
}

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

.auth-card, .card, .wallet-card, .stat-card, .feature-card {
    animation: fadeIn 0.4s ease-out forwards;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-light); }

/* ─── Auth Pages ────────────────────────────────────── */
.auth-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
    background-image:
        radial-gradient(ellipse at 15% 85%, rgba(245,166,35,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 85% 15%, rgba(255,209,102,0.04) 0%, transparent 50%);
}
.auth-container { width: 100%; max-width: 440px; }
.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 34px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}
.auth-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

/* Logo */
.logo { text-align: center; margin-bottom: 6px; }
.logo h1 { font-size: 30px; font-weight: 800; letter-spacing: -0.5px; }
.logo-tz { color: var(--text); }
.logo-pay { color: var(--primary); }
.auth-subtitle { text-align: center; color: var(--text-muted); font-size: 14px; margin-bottom: 28px; }
.auth-footer { text-align: center; margin-top: 24px; color: var(--text-muted); font-size: 13px; }
.auth-footer a { font-weight: 600; }

/* ─── Alerts ────────────────────────────────────────── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    line-height: 1.4;
}
.alert-error { background: var(--danger-bg); border: 1px solid rgba(248,113,113,0.2); color: var(--danger); }
.alert-success { background: var(--success-bg); border: 1px solid rgba(52,211,153,0.2); color: var(--success); }
.alert-warning { background: var(--warning-bg); border: 1px solid rgba(251,191,36,0.2); color: var(--warning); }
.alert-info { background: var(--info-bg); border: 1px solid rgba(96,165,250,0.2); color: var(--info); }
.alert-icon { font-size: 16px; flex-shrink: 0; }

/* ─── Form ──────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-label);
    margin-bottom: 7px;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 13px 15px;
    background: var(--bg-input);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    transition: all var(--transition);
    outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); opacity: 0.5; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}
.form-group input.is-invalid { border-color: var(--danger); }
.form-group textarea { resize: vertical; min-height: 80px; }
.field-error { color: var(--danger); font-size: 11px; margin-top: 5px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ─── Buttons ───────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
    line-height: 1;
}
.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #1A1A2E;
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 25px rgba(245,166,35,0.3);
    color: #1A1A2E;
}
.btn-secondary {
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--primary); background: var(--bg-card-hover); color: var(--text); }
.btn-success { background: var(--success); color: #064E3B; }
.btn-success:hover { box-shadow: 0 4px 15px rgba(52,211,153,0.25); color: #064E3B; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { box-shadow: 0 4px 15px rgba(248,113,113,0.25); color: #fff; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-block { width: 100%; }

/* ─── Navbar ────────────────────────────────────────── */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    height: 62px;
    background: var(--bg-nav);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-logo h1 { font-size: 22px; font-weight: 800; }
.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-user { font-size: 13px; color: var(--text-muted); }
.nav-user strong { color: var(--text); font-weight: 600; }
.btn-logout {
    padding: 7px 18px;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    font-size: 12px;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}
.btn-logout:hover { color: var(--primary); border-color: var(--primary); background: var(--primary-glow); }

/* ─── Sidebar Layout ───────────────────────────────── */
.app-layout { display: flex; min-height: calc(100vh - 62px); }
.sidebar {
    width: 230px;
    background: var(--bg-nav);
    border-right: 1px solid var(--border);
    padding: 20px 0;
    flex-shrink: 0;
}
.sidebar-nav { list-style: none; }
.sidebar-label {
    padding: 8px 24px 6px;
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 11px 24px;
    color: var(--text-muted);
    font-size: 13.5px;
    font-weight: 500;
    transition: all var(--transition);
    border-left: 3px solid transparent;
}
.sidebar-nav li a:hover { color: var(--text); background: rgba(245,166,35,0.04); }
.sidebar-nav li a.active {
    color: var(--primary);
    background: rgba(245,166,35,0.06);
    border-left-color: var(--primary);
    font-weight: 600;
}
.sidebar-nav li a .nav-icon { font-size: 16px; width: 20px; text-align: center; }

.main-content { flex: 1; padding: 28px 32px; overflow-x: hidden; }

/* ─── Page Header ───────────────────────────────────── */
.page-header { margin-bottom: 24px; }
.page-header h2 { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.page-header p { color: var(--text-muted); font-size: 13px; }

/* ─── Wallet Card ───────────────────────────────────── */
:root {
    --bg-dark: #0B0A14;
    --card-bg: #151324;
    --primary-gold: #D4AF37; /* TzPay Gold */
    --accent-gold: #FFD700;
    --text-main: #F0F0F8;
    --text-muted: #A0A0B8;
    --border-color: rgba(212, 175, 55, 0.15);
    --success: #00C896;
    --error: #FF4D6D;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    margin: 0;
    line-height: 1.6;
}

/* Glassmorphism / Premium Cards */
.card, .wallet-card, .stat-card, .feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.card:hover, .feature-card:hover, .stat-card:hover {
    border-color: rgba(212, 175, 55, 0.4);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    background: var(--bg-card-hover);
}

.wallet-card {
    background: linear-gradient(135deg, #1A182E 0%, #252244 100%);
    border: 1px solid rgba(245, 166, 35, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(245, 166, 35, 0.05);
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}
.wallet-card::after {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(245,166,35,0.05) 0%, transparent 70%);
    pointer-events: none;
}

.wallet-label {
    color: var(--primary-gold);
    text-transform: uppercase;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}

.wallet-balance {
    font-size: 36px;
    font-weight: 800;
    margin: 10px 0 20px;
}

.wallet-balance small { font-size: 16px; font-weight: 600; opacity: 0.6; }
.wallet-actions { margin-top: 18px; display: flex; gap: 10px; }
.wallet-actions .btn {
    padding: 9px 18px;
    font-size: 12px;
    border-radius: var(--radius-xs);
    background: rgba(26,26,46,0.2);
    border: none;
    color: #1A1A2E;
    font-weight: 600;
}
.wallet-actions .btn:hover { background: rgba(26,26,46,0.35); color: #1A1A2E; }

/* ─── Stats Grid ────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}
.stat-card .stat-icon { font-size: 24px; margin-bottom: 8px; }
.stat-card .stat-value { font-size: 20px; font-weight: 700; margin-bottom: 2px; }
.stat-card .stat-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* ─── Tables ────────────────────────────────────────── */
.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.table-header h3 { font-size: 15px; font-weight: 600; }

table { width: 100%; border-collapse: collapse; }
table th {
    text-align: left;
    padding: 11px 20px;
    font-size: 10.5px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    background: rgba(0,0,0,0.2);
}
table td {
    padding: 13px 20px;
    font-size: 13px;
    border-bottom: 1px solid rgba(45,45,45,0.5);
    vertical-align: middle;
}
table tr:last-child td { border-bottom: none; }
table tr:hover td { background: rgba(245,166,35,0.02); }
.mono { font-family: 'JetBrains Mono', 'Fira Code', monospace; font-size: 12px; }
.amount-credit { color: var(--success); font-weight: 600; }
.amount-debit { color: var(--danger); font-weight: 600; }

.empty-state { text-align: center; padding: 44px 24px; color: var(--text-muted); }
.empty-state .empty-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.4; }
.empty-state p { font-size: 13px; }

/* ─── Badges ────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 11px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
}
.badge-pending { background: var(--warning-bg); color: var(--warning); }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-muted { background: rgba(113,113,122,0.12); color: var(--text-muted); }
.badge-admin { background: var(--danger-bg); color: var(--danger); font-size: 10px; text-transform: uppercase; }
.badge-soon { background: var(--primary-glow); color: var(--primary); font-size: 10px; padding: 3px 10px; text-transform: uppercase; }

/* ─── Cards ─────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    margin-bottom: 18px;
}
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-header h3 { font-size: 15px; font-weight: 600; }

/* ─── Feature / Service Cards ───────────────────────── */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; }
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 20px;
    text-align: center;
    transition: all 0.25s ease;
    cursor: pointer;
    text-decoration: none;
    color: var(--text);
}
.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(245,166,35,0.08);
    color: var(--text);
}
.feature-icon { font-size: 28px; margin-bottom: 10px; }
.feature-card h3 { font-size: 14px; font-weight: 600; margin-bottom: 5px; }
.feature-card p { color: var(--text-muted); font-size: 12px; line-height: 1.4; }
.feature-card .price { color: var(--primary); font-weight: 700; font-size: 15px; margin-top: 8px; }

/* ─── Service Category Tabs ─────────────────────────── */
.category-tabs { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.category-tab {
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}
.category-tab:hover { border-color: var(--primary); color: var(--primary); }
.category-tab.active { background: var(--primary); color: #1A1A2E; border-color: var(--primary); }

/* ─── Detail View ───────────────────────────────────── */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 18px; }
.detail-item { padding: 14px 16px; background: var(--bg-input); border-radius: var(--radius-sm); }
.detail-item .detail-label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.detail-item .detail-value { font-size: 14px; font-weight: 600; }

/* ─── File Upload ───────────────────────────────────── */
.file-upload {
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
}
.file-upload:hover { border-color: var(--primary); background: var(--primary-glow); }
.file-upload input[type="file"] { display: none; }
.file-upload label { cursor: pointer; color: var(--text-muted); font-size: 13px; }
.file-upload label strong { color: var(--primary); }

/* ─── Admin Layout ──────────────────────────────────── */
.admin-layout { max-width: 1200px; margin: 0 auto; padding: 28px 24px; }
.admin-sidebar-nav { list-style: none; }
.admin-sidebar-nav li a {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 20px; color: var(--text-muted); font-size: 13px; font-weight: 500;
    transition: all var(--transition); border-left: 3px solid transparent;
}
.admin-sidebar-nav li a:hover { color: var(--text); background: rgba(245,166,35,0.04); }
.admin-sidebar-nav li a.active { color: var(--primary); background: rgba(245,166,35,0.06); border-left-color: var(--primary); font-weight: 600; }

/* ─── Pagination ────────────────────────────────────── */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 18px; }
.pagination .btn { width: 36px; padding: 8px; }

/* ─── Responsive ────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { padding: 20px 16px; }
    .wallet-balance { font-size: 26px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .navbar { padding: 0 16px; }
    .auth-card { padding: 30px 22px; }
    .feature-grid { grid-template-columns: 1fr 1fr; }
    .admin-layout { padding: 20px 12px; }
    table { font-size: 12px; }
    table th, table td { padding: 10px 12px; }
}
@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .wallet-actions { flex-direction: column; }
    .feature-grid { grid-template-columns: 1fr; }
    .nav-user { display: none; }
}