/**
 * BlueMoon — Shared App Styles
 * Used by register, dashboard, and admin pages
 */

:root {
    --bg-primary: #070B1A;
    --bg-secondary: #0D1228;
    --bg-card: #111738;
    --bg-card-hover: #161D45;
    --bg-input: #0A0F24;
    --accent: #F5A524;
    --accent-hover: #E6960F;
    --accent-light: rgba(245, 165, 36, 0.15);
    --accent-glow: rgba(245, 165, 36, 0.3);
    --success: #22C55E;
    --success-bg: rgba(34, 197, 94, 0.12);
    --danger: #EF4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --warning: #F59E0B;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --info: #3B82F6;
    --info-bg: rgba(59, 130, 246, 0.12);
    --text-primary: #FFFFFF;
    --text-secondary: #B8C4E0;
    --text-muted: #6B7A99;
    --border: rgba(255, 255, 255, 0.06);
    --border-accent: rgba(245, 165, 36, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
}

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

html { scroll-behavior: smooth; }

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ───── Top Navigation ───── */
.topnav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(7, 11, 26, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 100;
}

.topnav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
}

.topnav-logo svg { width: 28px; height: 28px; }

.topnav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topnav-user {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.topnav-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all 0.2s;
}

.topnav-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ───── Layout ───── */
.app-layout {
    display: flex;
    padding-top: 64px;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 24px 0;
    position: fixed;
    top: 64px;
    bottom: 0;
    left: 0;
    overflow-y: auto;
    z-index: 50;
    transition: transform 0.3s;
}

.sidebar-nav { list-style: none; }

.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.15s;
    text-decoration: none;
    border-left: 3px solid transparent;
}

.sidebar-nav li a:hover {
    background: rgba(255,255,255,0.03);
    color: var(--text-primary);
}

.sidebar-nav li a.active {
    color: var(--accent);
    background: var(--accent-light);
    border-left-color: var(--accent);
}

.sidebar-nav li a svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.main-content {
    flex: 1;
    margin-left: 240px;
    padding: 32px;
    max-width: 1200px;
}

.page-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 32px;
}

/* ───── Cards ───── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: border-color 0.2s;
}

.stat-card:hover { border-color: rgba(255,255,255,0.1); }

.stat-card-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-card-value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.stat-card-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ───── Sections ───── */
.section {
    display: none;
}

.section.active {
    display: block;
}

.section-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 24px;
}

.section-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.section-card-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
}

/* ───── Referral Code Box ───── */
.referral-box {
    background: linear-gradient(135deg, rgba(245,165,36,0.08), rgba(245,165,36,0.02));
    border: 1px dashed var(--border-accent);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    margin-bottom: 24px;
}

.referral-box-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.referral-code {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 3px;
    margin-bottom: 16px;
}

.referral-link {
    font-size: 0.8rem;
    color: var(--text-muted);
    word-break: break-all;
    margin-bottom: 16px;
}

.referral-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ───── Tier Progress ───── */
.tier-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.tier-progress {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 16px;
}

.tier-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
}

.tier-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), #F59E0B);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.tier-steps {
    display: flex;
    gap: 24px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.tier-step {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.tier-step.active { color: var(--accent); }
.tier-step.completed { color: var(--success); }

.tier-step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
}

.tier-step.active .tier-step-dot { background: var(--accent); }
.tier-step.completed .tier-step-dot { background: var(--success); }

/* ───── Tables ───── */
.table-wrap {
    overflow-x: auto;
    margin-top: 8px;
}

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

.data-table th {
    text-align: left;
    padding: 12px 16px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    vertical-align: middle;
}

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

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

/* ───── Badges ───── */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-pending { background: var(--warning-bg); color: var(--warning); }
.badge-qualified { background: var(--info-bg); color: var(--info); }
.badge-credited { background: var(--success-bg); color: var(--success); }
.badge-processing { background: var(--info-bg); color: var(--info); }
.badge-completed { background: var(--success-bg); color: var(--success); }
.badge-rejected { background: var(--danger-bg); color: var(--danger); }

/* ───── Buttons ───── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    font-family: var(--font-main);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #E6960F);
    color: #000;
}
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-success {
    background: var(--success);
    color: #fff;
}
.btn-success:hover { filter: brightness(1.1); }

.btn-danger {
    background: transparent;
    border: 1px solid var(--danger);
    color: var(--danger);
}
.btn-danger:hover { background: var(--danger-bg); }

.btn-sm { padding: 6px 14px; font-size: 0.8rem; }

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

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

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input, .form-select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font-main);
    transition: border-color 0.2s;
    outline: none;
}

.form-input:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236B7A99' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.form-select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ───── Auth Page ───── */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.auth-page::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-glow), transparent 70%);
    top: -200px;
    right: -100px;
    pointer-events: none;
}

.auth-container {
    width: 100%;
    max-width: 460px;
    position: relative;
    z-index: 1;
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.auth-logo svg { width: 32px; height: 32px; }

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 36px;
}

.auth-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    text-align: center;
}

.auth-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 28px;
}

.auth-tabs {
    display: flex;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    padding: 4px;
    margin-bottom: 28px;
}

.auth-tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s;
    border: none;
    background: none;
    font-family: var(--font-main);
}

.auth-tab.active {
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.auth-form { display: none; }
.auth-form.active { display: block; }

.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.auth-divider::before, .auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.auth-error {
    background: var(--danger-bg);
    color: var(--danger);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-bottom: 16px;
    display: none;
}

.auth-error.show { display: block; }

.referral-note {
    background: var(--accent-light);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin-bottom: 20px;
    font-size: 0.85rem;
    color: var(--accent);
}

/* ───── Notifications ───── */
.notification-list {
    list-style: none;
}

.notification-item {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.notification-item:last-child { border-bottom: none; }

.notification-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
    margin-top: 5px;
}

.notification-dot.read { background: var(--text-muted); }

.notification-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.notification-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ───── Empty State ───── */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    opacity: 0.4;
}

.empty-state p {
    font-size: 0.95rem;
    margin-bottom: 8px;
}

/* ───── Toast ───── */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    font-size: 0.875rem;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.toast-success { border-left: 3px solid var(--success); }
.toast.toast-error { border-left: 3px solid var(--danger); }

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

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

.page-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    color: var(--text-muted);
    gap: 12px;
    font-size: 0.9rem;
}

/* ───── Mobile Menu Toggle ───── */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 4px;
}

.menu-toggle svg { width: 24px; height: 24px; }

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 40;
}

/* ───── Responsive ───── */
@media (max-width: 768px) {
    .menu-toggle { display: block; }

    .sidebar {
        transform: translateX(-100%);
        z-index: 50;
    }

    .sidebar.open { transform: translateX(0); }
    .sidebar-overlay.open { display: block; }

    .main-content {
        margin-left: 0;
        padding: 20px 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-card { padding: 16px; }
    .stat-card-value { font-size: 1.35rem; }

    .form-row { grid-template-columns: 1fr; }

    .page-title { font-size: 1.4rem; }

    .section-card { padding: 20px; }

    .referral-code { font-size: 1.5rem; }

    .topnav-user { display: none; }

    .auth-card { padding: 24px; }
}

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

    .referral-actions { flex-direction: column; }
    .referral-actions .btn { width: 100%; }

    .tier-steps { flex-direction: column; gap: 12px; }
}