/* === Reset & Base === */
:root {
    --brand: #1e293b;
    --brand-accent: #f49800;
    --brand-accent-light: #fff3e0;
    --brand-accent-dark: #e08600;
    --surface: #f5f5f4;
    --surface-card: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #64748b;
    --success: #059669;
    --success-bg: #d1fae5;
    --danger: #dc2626;
    --danger-bg: #fee2e2;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--surface);
    color: var(--text);
    margin: 0;
    line-height: 1.5;
}

/* === Top Navbar === */
.navbar {
    background: var(--brand);
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.navbar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.navbar-logo {
    height: 34px;
    width: auto;
}

.navbar-links {
    display: flex;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
    height: 100%;
}

.navbar-links li {
    display: flex;
}

.navbar-links a {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0 1rem;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    height: 56px;
    border-bottom: 3px solid transparent;
    transition: all 0.15s;
}

.navbar-links a:hover,
.navbar-links a.active {
    color: #fff;
    background: rgba(255,255,255,0.08);
    border-bottom-color: var(--brand-accent);
}

.navbar-links a svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* === Page Layout === */
.page-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin: 0;
}

/* === Cards === */
.card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.card-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}

/* === Forms === */
.form-row {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-wrap: wrap;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

input[type="date"],
input[type="text"],
input[type="password"],
input[type="number"],
select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text);
    background: #fff;
    outline: none;
    transition: border-color 0.15s;
}

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

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    white-space: nowrap;
}

.btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.btn-primary {
    background: var(--brand-accent);
    color: #fff;
}
.btn-primary:hover {
    background: var(--brand-accent-dark);
}

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

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

.btn-sm {
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
}

.btn-success {
    background: var(--success);
    color: #fff;
}

/* === Tables === */
.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

thead {
    background: #f8fafc;
}

thead th {
    padding: 0.6rem 0.75rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

tbody td {
    padding: 0.55rem 0.75rem;
    border-bottom: 1px solid #f1f5f9;
    color: var(--text);
}

tbody tr:hover {
    background: #fafaf9;
}

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

.num {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

tfoot td {
    padding: 0.65rem 0.75rem;
    font-weight: 700;
    background: var(--brand-accent-light);
    color: var(--brand);
    border-top: 2px solid var(--brand-accent);
}

/* === Status badge === */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-muted {
    background: #f1f5f9;
    color: var(--text-muted);
}

/* === Toggle switch === */
.toggle {
    position: relative;
    width: 36px;
    height: 20px;
    -webkit-appearance: none;
    appearance: none;
    background: #cbd5e1;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
    padding: 0;
}

.toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s;
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.toggle:checked {
    background: var(--brand-accent);
}

.toggle:checked::after {
    transform: translateX(16px);
}

/* === Loading === */
.htmx-indicator {
    display: none !important;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator,
.htmx-request ~ .htmx-indicator {
    display: inline-flex !important;
}

.spinner {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 1rem 0;
}

.spinner::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2.5px solid var(--border);
    border-top-color: var(--brand-accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* === Flash / Alert === */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

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

.alert-success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid #a7f3d0;
}

.saved-indicator {
    color: var(--success);
    font-size: 0.85rem;
    font-weight: 500;
}

/* === Login === */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--brand);
}

.login-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    padding: 2.5rem;
    width: 100%;
    max-width: 380px;
}

.login-card .subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
}

.login-card .form-group {
    margin-bottom: 1rem;
}

.login-card .btn {
    width: 100%;
    justify-content: center;
    padding: 0.65rem;
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

/* === Settings === */
.shift-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f1f5f9;
}

.shift-row:last-child {
    border-bottom: none;
}

.shift-label {
    font-weight: 600;
    font-size: 0.9rem;
    min-width: 60px;
}

.shift-row input {
    width: 70px;
}

/* === Empty state === */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    fill: #cbd5e1;
    margin-bottom: 1rem;
}

.empty-state p {
    font-size: 0.95rem;
    margin: 0;
}

/* === Responsive === */
@media (max-width: 768px) {
    .navbar { padding: 0 0.75rem; }
    .navbar-links a { padding: 0 0.6rem; font-size: 0.8rem; }
    .page-container { padding: 1rem; }
    .form-row { flex-direction: column; }
}