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

:root {
    --bg: #060a1a;
    --surface: #0d1330;
    --surface-2: #111840;
    --border: #1a2250;
    --text: #e8eaf6;
    --muted: #8890b5;
    --accent: #00e87b;
    --accent-dim: rgba(0, 232, 123, 0.08);
    --accent-glow: rgba(0, 232, 123, 0.15);
    --danger: #ff4d6a;
    --warning: #ffb84d;
    --info: #4da6ff;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    height: 100vh;
    overflow: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    line-height: 1.15;
}

/* Layout */
.app-layout {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 240px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--text);
    text-decoration: none;
    padding: 0 8px;
    margin-bottom: 32px;
}

.sidebar-logo span { color: var(--accent); }

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.15s;
}

.nav-item:hover {
    background: var(--accent-dim);
    color: var(--text);
}

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

.nav-item svg { flex-shrink: 0; }

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.top-bar {
    padding: 20px 32px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.top-bar h1 { font-size: 1.4rem; }

.content {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
}

/* Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
}

.stat-card .label {
    font-size: 0.8rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-card .value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

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

/* Tables */
.table-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.table-card .table-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.table-card .table-header h3 { font-size: 1rem; }

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 12px 24px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
}

td {
    padding: 14px 24px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border);
}

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

tr:hover { background: var(--accent-dim); }

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-new { background: rgba(77, 166, 255, 0.15); color: var(--info); }
.badge-contacted { background: rgba(255, 184, 77, 0.15); color: var(--warning); }
.badge-booked { background: rgba(0, 232, 123, 0.15); color: var(--accent); }
.badge-confirmed { background: rgba(0, 232, 123, 0.15); color: var(--accent); }
.badge-completed { background: rgba(0, 232, 123, 0.3); color: var(--accent); }
.badge-cancelled { background: rgba(255, 77, 106, 0.15); color: var(--danger); }
.badge-pending { background: rgba(255, 184, 77, 0.15); color: var(--warning); }
.badge-sent { background: rgba(0, 232, 123, 0.15); color: var(--accent); }
.badge-urgent { background: rgba(255, 77, 106, 0.15); color: var(--danger); }
.badge-normal { background: rgba(77, 166, 255, 0.15); color: var(--info); }
.badge-low { background: rgba(136, 144, 181, 0.15); color: var(--muted); }

/* Buttons */
.btn {
    padding: 8px 20px;
    border-radius: 8px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg);
}

.btn-primary:hover { opacity: 0.9; }

.btn-ghost {
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--border);
}

.btn-ghost:hover { color: var(--text); border-color: var(--muted); }

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid rgba(255, 77, 106, 0.3);
}

.btn-danger:hover { background: rgba(255, 77, 106, 0.1); }

.btn-sm {
    padding: 5px 12px;
    font-size: 0.75rem;
}

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

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
}

.form-group textarea { min-height: 80px; resize: vertical; }

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

/* Calendar */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.calendar-header h2 { font-size: 1.2rem; }

.calendar-day-header {
    background: var(--surface);
    padding: 12px;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
}

.calendar-day {
    background: var(--surface);
    padding: 10px;
    min-height: 100px;
    cursor: pointer;
    transition: background 0.15s;
}

.calendar-day:hover { background: var(--surface-2); }

.calendar-day.other-month { opacity: 0.3; }

.calendar-day.today {
    background: var(--accent-dim);
}

.calendar-day .day-number {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 6px;
}

.calendar-day.today .day-number { color: var(--accent); }

.calendar-event {
    background: var(--accent-dim);
    border-left: 2px solid var(--accent);
    padding: 3px 6px;
    font-size: 0.7rem;
    border-radius: 4px;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text);
}

.calendar-event.cancelled {
    border-left-color: var(--danger);
    background: rgba(255, 77, 106, 0.08);
    opacity: 0.5;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(6, 10, 26, 0.8);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    width: 90%;
    max-width: 560px;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 { font-size: 1.1rem; }

.modal-close {
    background: none;
    border: none;
    color: var(--muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0 4px;
}

.modal-close:hover { color: var(--text); }

.modal-body { padding: 24px; }

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

/* Empty states */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--muted);
}

.empty-state .icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.5; }
.empty-state h3 { color: var(--text); margin-bottom: 8px; }
.empty-state p { margin-bottom: 20px; }

/* Availability */
.availability-grid {
    display: grid;
    gap: 12px;
}

.day-row {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.day-row .day-name {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    width: 100px;
    flex-shrink: 0;
}

.day-row .toggle {
    position: relative;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.day-row .toggle input { display: none; }

.day-row .toggle .slider {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.2s;
}

.day-row .toggle .slider::before {
    content: '';
    position: absolute;
    width: 18px; height: 18px;
    left: 3px; top: 3px;
    background: var(--text);
    border-radius: 50%;
    transition: transform 0.2s;
}

.day-row .toggle input:checked + .slider { background: var(--accent); }
.day-row .toggle input:checked + .slider::before { transform: translateX(20px); }

.day-row .time-inputs {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.day-row .time-inputs input {
    width: 100px;
    padding: 6px 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.85rem;
}

.day-row .time-inputs span { color: var(--muted); font-size: 0.85rem; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* Responsive */
@media (max-width: 900px) {
    .sidebar { width: 60px; padding: 16px 8px; }
    .sidebar-logo { font-size: 1rem; padding: 0; text-align: center; margin-bottom: 24px; }
    .sidebar-logo span { display: none; }
    .nav-item { justify-content: center; padding: 10px; }
    .nav-item svg { margin: 0; }
    .nav-item span, .nav-item::after { display: none; }
    /* hide text in nav items */
    .nav-item { font-size: 0; }
    .nav-item svg { font-size: initial; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .content { padding: 20px; }
    .form-row { grid-template-columns: 1fr; }
}

/* Time slots for booking */
.time-slots {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-top: 12px;
}

.time-slot {
    padding: 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.15s;
}

.time-slot:hover {
    border-color: var(--accent);
    background: var(--accent-dim);
}

.time-slot.selected {
    border-color: var(--accent);
    background: var(--accent-dim);
    color: var(--accent);
}

/* Quick action buttons on rows */
.row-actions {
    display: flex;
    gap: 6px;
}