/* ==========================================================================
   RewardApp Main Design System — Sleek Dark Theme matching Landing Page
   ========================================================================== */

:root {
    --bg: #0B0F17;
    --card-bg: rgba(17, 24, 39, 0.75);
    --card-bg-hover: rgba(31, 41, 55, 0.85);
    --topbar-bg: rgba(15, 23, 42, 0.9);
    
    --text: #F9FAFB;
    --muted: #9CA3AF;
    --dim: #6B7280;
    
    --primary: #10B981;
    --primary-dark: #059669;
    --primary-glow: rgba(16, 185, 129, 0.25);
    
    --secondary: #6366F1;
    --secondary-dark: #4F46E5;
    
    --gold: #F59E0B;
    --success: #10B981;
    --error: #EF4444;
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.16);
    --radius: 16px;
    
    --font-title: 'Outfit', 'Plus Jakarta Sans', system-ui, sans-serif;
    --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ---------------------------------------------------------------- TOPBAR */

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
    background: var(--topbar-bg);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand {
    font-family: var(--font-title);
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, #10B981, #34D399);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-decoration: none;
    letter-spacing: -0.01em;
}

.topbar nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.topbar nav a {
    text-decoration: none;
    color: var(--muted);
    font-weight: 500;
    font-size: 14px;
    transition: color 0.15s ease;
}

.topbar nav a:hover {
    color: var(--text);
}

.points-pill {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ------------------------------------------------------------- LAYOUT */

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 36px 24px;
    flex: 1;
    width: 100%;
}

main.container {
    min-height: 80vh;
}

h1, h2, h3 {
    font-family: var(--font-title);
    color: #FFFFFF;
    margin-top: 0;
}

/* ------------------------------------------------------------- BUTTONS */

.btn-primary, .btn-secondary, .btn-small, .btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 22px;
    border-radius: 12px;
    text-decoration: none;
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-size: 14px;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #10B981, #059669);
    color: #FFFFFF;
    box-shadow: 0 4px 16px var(--primary-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.35);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border);
    color: var(--text);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.btn-block {
    display: flex;
    width: 100%;
    text-align: center;
    margin-top: 14px;
}

.btn-large {
    font-size: 16px;
    padding: 16px 32px;
    border-radius: 14px;
}

.btn-small {
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 8px;
    background: var(--primary);
    color: #FFFFFF;
}

.btn-danger {
    background: linear-gradient(135deg, #EF4444, #DC2626);
    color: #FFFFFF;
}
.btn-danger:hover {
    background: #DC2626;
}

/* -------------------------------------------------------------- CARDS */

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 24px;
    backdrop-filter: blur(16px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.auth-card {
    max-width: 440px;
    margin: 40px auto;
    background: var(--card-bg);
    padding: 36px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(16px);
}

.auth-card label, .card label {
    display: block;
    margin-bottom: 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
}

.auth-card input, .card input[type="text"], .card input[type="email"], 
.card input[type="password"], .card input[type="number"], .card input[type="datetime-local"], 
.card select {
    display: block;
    width: 100%;
    padding: 12px 14px;
    margin-top: 6px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(15, 23, 42, 0.6);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.auth-card input:focus, .card input:focus, .card select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

/* ------------------------------------------------------------- ALERTS */

.alert {
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.5;
}

.alert-error {
    background: rgba(239, 68, 68, 0.12);
    color: #FCA5A5;
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.alert-success {
    background: rgba(16, 185, 129, 0.12);
    color: #6EE7B7;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

/* ---------------------------------------------------------- DASHBOARD */

.dash-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.label {
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 0 0 4px;
}

.big-number {
    font-family: var(--font-title);
    font-size: 34px;
    font-weight: 800;
    color: #FFFFFF;
    margin: 4px 0 8px;
}

.muted { color: var(--muted); }
.small { font-size: 12px; }

.ref-link {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(15, 23, 42, 0.6);
    color: var(--primary);
    font-family: var(--font-mono);
    font-size: 13px;
    margin-top: 10px;
}

/* ------------------------------------------------------------ TABLES */

.activity-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.activity-table th {
    text-align: left;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
}

.activity-table td {
    text-align: left;
    padding: 14px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    color: var(--text);
}

.activity-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.pts-pos { color: var(--primary); font-family: var(--font-mono); font-weight: 600; }
.pts-neg { color: var(--error); font-family: var(--font-mono); font-weight: 600; }

.highlight-row td {
    background: rgba(16, 185, 129, 0.08) !important;
}

/* ------------------------------------------------------ STATUS PILLS */

.status-pill {
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
}

.status-pending {
    background: rgba(245, 158, 11, 0.15);
    color: #FBBF24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-approved {
    background: rgba(99, 102, 241, 0.15);
    color: #818CF8;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.status-paid {
    background: rgba(16, 185, 129, 0.15);
    color: #34D399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-rejected {
    background: rgba(239, 68, 68, 0.15);
    color: #F87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ---------------------------------------------------- OFFERWALL TABS */

.wall-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    overflow-x: auto;
}

.wall-tabs a {
    padding: 10px 20px;
    border-radius: 12px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    text-decoration: none;
    color: var(--muted);
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.wall-tabs a:hover {
    color: var(--text);
    border-color: var(--border-hover);
}

.wall-tabs a.active {
    background: var(--primary);
    color: #FFFFFF;
    border-color: var(--primary);
    box-shadow: 0 4px 12px var(--primary-glow);
}

.wall-frame-wrap {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    background: rgba(15, 23, 42, 0.6);
}

.wall-frame {
    width: 100%;
    height: 80vh;
    border: none;
}

/* ------------------------------------------------------------ FOOTER */

.sitefooter {
    text-align: center;
    padding: 32px 24px;
    color: var(--muted);
    font-size: 13px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

/* -------------------------------------------------------- RESPONSIVE */

@media (max-width: 768px) {
    .dash-grid { grid-template-columns: 1fr; }
    .topbar { padding: 14px 18px; flex-direction: column; gap: 12px; }
    .topbar nav { flex-wrap: wrap; justify-content: center; gap: 12px; }
    .container { padding: 24px 16px; }
}