/* ================================================================
   Vinhomes Tennis Booking — Dark Glassmorphism Theme
   ================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-primary: #060d09;
    --bg-secondary: #0c1a12;
    --bg-tertiary: #101f16;
    --glass-bg: rgba(16, 185, 129, 0.04);
    --glass-bg-hover: rgba(16, 185, 129, 0.08);
    --glass-border: rgba(16, 185, 129, 0.12);
    --glass-border-hover: rgba(16, 185, 129, 0.25);
    --accent: #10b981;
    --accent-light: #34d399;
    --accent-glow: rgba(16, 185, 129, 0.3);
    --accent-dim: rgba(16, 185, 129, 0.15);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --success: #22c55e;
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --danger-border: rgba(239, 68, 68, 0.2);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --warning-border: rgba(245, 158, 11, 0.2);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.1);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 20% 50%, rgba(16, 185, 129, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(16, 185, 129, 0.04) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(52, 211, 153, 0.03) 0%, transparent 50%);
    z-index: 0;
    pointer-events: none;
}

/* ---- Layout ---- */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* ---- Header ---- */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 28px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    backdrop-filter: blur(20px);
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-logo {
    font-size: 32px;
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.header-title {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.3px;
}

.header-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 2px;
}

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

.clock {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    background: rgba(0,0,0,0.2);
    padding: 8px 14px;
    border-radius: var(--radius-xs);
    border: 1px solid rgba(255,255,255,0.05);
}

.clock span {
    color: var(--accent-light);
    font-weight: 600;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-xs);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--accent-light);
    border-color: var(--glass-border-hover);
    background: var(--glass-bg-hover);
}

.nav-link.active {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-dim);
}

/* ---- Cards ---- */
.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    backdrop-filter: blur(20px);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.card:hover {
    border-color: var(--glass-border-hover);
}

.card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.2px;
}

.card-title .icon {
    font-size: 20px;
}

/* ---- Status Badge ---- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-pending {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning-border);
}

.badge-running {
    background: var(--info-bg);
    color: var(--info);
    border: 1px solid rgba(59, 130, 246, 0.3);
    animation: pulse-badge 2s infinite;
}

.badge-done {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.badge-failed, .badge-cancelled {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

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

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input, .form-select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}

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

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

/* ---- Slot picker (radio-style cards) ---- */
.slot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 10px;
}

.slot-item {
    position: relative;
}

.slot-item input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.slot-item label {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 10px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.slot-item label:hover {
    border-color: var(--glass-border-hover);
    background: var(--glass-bg-hover);
    color: var(--text-primary);
}

.slot-item input:checked + label {
    border-color: var(--accent);
    background: var(--accent-dim);
    color: var(--accent-light);
    box-shadow: 0 0 12px var(--accent-glow);
}

/* ---- Court picker (checkbox cards) ---- */
.court-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}

.court-item {
    position: relative;
}

.court-item input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.court-item label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.court-item label:hover {
    border-color: var(--glass-border-hover);
    background: var(--glass-bg-hover);
    color: var(--text-primary);
}

.court-item input:checked + label {
    border-color: var(--accent);
    background: var(--accent-dim);
    color: var(--accent-light);
    box-shadow: 0 0 12px var(--accent-glow);
}

.court-item label .check-icon {
    width: 20px;
    height: 20px;
    border: 2px solid var(--glass-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
    font-size: 12px;
}

.court-item input:checked + label .check-icon {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* ---- Ticket inputs ---- */
.ticket-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

.ticket-item label {
    font-size: 12px;
    display: block;
    margin-bottom: 6px;
    color: var(--text-secondary);
    font-weight: 500;
}

.ticket-item input {
    width: 100%;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xs);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    text-align: center;
    transition: var(--transition);
    outline: none;
}

.ticket-item input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #059669);
    color: #fff;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(16, 185, 129, 0.45);
}

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

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

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

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
    border-radius: var(--radius-xs);
}

.btn-block {
    width: 100%;
}

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

/* ---- Job List ---- */
.job-card {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 18px;
    margin-bottom: 12px;
    transition: var(--transition);
}

.job-card:hover {
    border-color: var(--glass-border-hover);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.job-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.job-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.job-courts {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.job-court-tag {
    padding: 3px 10px;
    background: rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 999px;
    font-size: 11px;
    color: var(--text-secondary);
}

.job-countdown {
    font-size: 13px;
    font-weight: 600;
    color: var(--warning);
    margin-top: 10px;
    font-variant-numeric: tabular-nums;
}

.job-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.job-results {
    margin-top: 12px;
}

.result-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(0,0,0,0.1);
    border-radius: var(--radius-xs);
    margin-bottom: 6px;
    font-size: 13px;
}

.result-item.success { border-left: 3px solid var(--success); }
.result-item.fail { border-left: 3px solid var(--danger); }

/* ---- Schedule toggle ---- */
.schedule-toggle {
    display: flex;
    gap: 12px;
    margin-bottom: 14px;
}

.schedule-toggle button {
    flex: 1;
    padding: 10px;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xs);
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.schedule-toggle button.active {
    border-color: var(--accent);
    background: var(--accent-dim);
    color: var(--accent-light);
}

/* ---- Empty state ---- */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p { font-size: 14px; }

/* ---- Toast / Notification ---- */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    z-index: 1000;
    animation: slideInToast 0.4s ease;
    max-width: 360px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

.toast-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--success);
}

.toast-error {
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    color: var(--danger);
}

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

/* ---- Loading spinner ---- */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 14px;
        text-align: center;
    }
    .header-right {
        flex-direction: column;
        width: 100%;
    }
    .clock { width: 100%; text-align: center; }
    .slot-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
    .court-grid { grid-template-columns: 1fr; }
    .ticket-grid { grid-template-columns: 1fr 1fr; }
}

/* ---- Settings page specific ---- */
.settings-section {
    margin-bottom: 28px;
}

.settings-section:last-child { margin-bottom: 0; }

.settings-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

@media (max-width: 600px) {
    .input-row { grid-template-columns: 1fr; }
}

.test-result {
    margin-top: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-xs);
    font-size: 13px;
    font-weight: 500;
    display: none;
}

.test-result.show { display: block; }
.test-result.success { background: rgba(34,197,94,0.1); color: var(--success); border: 1px solid rgba(34,197,94,0.2); }
.test-result.error { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }