:root {
    --sidebar-bg: #08080a;
    --sidebar-hover: #1a1a1e;
    --sidebar-active: #c4a052;
    --sidebar-text: rgba(255,255,255,.55);
    --sidebar-text-active: #ffffff;
    --admin-bg: #f6f4ef;
    --admin-card: #ffffff;
    --admin-primary: #08080a;
    --admin-accent: #c4a052;
    --admin-success: #2d8a5e;
    --admin-warning: #c4a052;
    --admin-danger: #c0392b;
    --admin-info: #2c5282;
    --admin-pending: #c4a052;
    --admin-approved: #2d8a5e;
    --admin-completed: #2c5282;
}

body.admin-body {
    background: var(--admin-bg);
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 200;
    transition: transform .3s;
}

.sidebar-brand {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.sidebar-brand-link {
    display: flex;
    align-items: center;
    gap: .85rem;
    text-decoration: none;
    color: inherit;
}

.sidebar-logo {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255,255,255,.12);
    flex-shrink: 0;
}

.sidebar-brand h2 {
    color: #fff;
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.sidebar-brand small {
    display: block;
    font-size: .68rem;
    opacity: .55;
    font-weight: 400;
    letter-spacing: 0.02em;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem 1.5rem;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 500;
    transition: all .2s;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
    background: var(--sidebar-hover);
    color: #fff;
}

.sidebar-nav a.active {
    background: rgba(196, 160, 82, 0.12);
    color: var(--sidebar-text-active);
    border-left-color: var(--sidebar-active);
}

.sidebar-nav-label {
    display: block;
    padding: 0.85rem 1.5rem 0.35rem;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255,255,255,.28);
}

.sidebar-nav-label:not(:first-child) {
    margin-top: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255,255,255,.06);
}

.sidebar-nav a.sidebar-nav-external {
    font-size: 0.85rem;
    color: rgba(255,255,255,.42);
}

.sidebar-nav a.sidebar-nav-external:hover {
    color: #fff;
}

.sidebar-nav a.display-link {
    color: var(--gold-light, #dbb96a);
}

.sidebar-nav a.display-link:hover {
    color: #fff;
}

.sidebar-logout {
    width: 100%;
    color: #fff !important;
    border-color: rgba(255,255,255,.2) !important;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,.08);
}

.sidebar-footer .user-info {
    font-size: .85rem;
    color: var(--sidebar-text);
    margin-bottom: .75rem;
}

.sidebar-footer .user-info strong {
    color: #fff;
    display: block;
}

/* Main content */
.admin-main {
    flex: 1;
    margin-left: 260px;
    padding: 1.5rem 2rem;
}

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

.admin-topbar h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.admin-topbar-sub {
    font-size: .875rem;
    color: #64748b;
    margin-top: .2rem;
}

.topbar-actions {
    display: flex;
    gap: .75rem;
    align-items: center;
}

.admin-select {
    padding: .55rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    font-size: .85rem;
    font-family: inherit;
    background: #fff;
    cursor: pointer;
    min-width: 160px;
}

.admin-select:focus {
    outline: none;
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.12);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--admin-card);
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.stat-icon.pending { background: #fef3c7; }
.stat-icon.approved { background: #d1fae5; }
.stat-icon.today { background: #dbeafe; }
.stat-icon.completed { background: #e0e7ff; }

.stat-info .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1;
}

.stat-info .stat-label {
    font-size: .8rem;
    color: #64748b;
    margin-top: .25rem;
}

/* Admin table */
.admin-card {
    background: var(--admin-card);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
    overflow: hidden;
}

.admin-card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-card-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.filter-bar {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
}

.filter-bar input,
.filter-bar select {
    padding: .45rem .75rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: .85rem;
    font-family: inherit;
}

.filter-bar input { min-width: 180px; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .85rem;
}

.data-table th {
    background: #f8fafc;
    padding: .75rem 1rem;
    text-align: left;
    font-weight: 600;
    color: #475569;
    border-bottom: 1px solid #e2e8f0;
    white-space: nowrap;
}

.data-table td {
    padding: .75rem 1rem;
    border-bottom: 1px solid #f1f5f9;
    vertical-align: middle;
}

.data-table tr:hover td {
    background: #f8fafc;
}

.data-table .actions {
    display: flex;
    gap: .35rem;
    flex-wrap: wrap;
}

/* Detail modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 300;
    padding: 1rem;
}

.modal {
    background: #fff;
    border-radius: 16px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px rgba(0,0,0,.25);
}

.modal.modal-lg { max-width: 640px; }

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.detail-full {
    margin-top: .75rem;
    grid-column: 1 / -1;
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #94a3b8;
    line-height: 1;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid #e2e8f0;
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .75rem;
    font-size: .85rem;
}

.detail-item label {
    display: block;
    color: #64748b;
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .03em;
}

.detail-item span {
    font-weight: 600;
    color: #0f172a;
}

.reschedule-form {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
}

.reschedule-form h4 {
    font-size: .9rem;
    margin-bottom: .75rem;
}

/* Login page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #08080a 0%, #1a1a1e 50%, #121214 100%);
    padding: 1rem;
    position: relative;
}

.login-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 50% at 50% 100%, rgba(196,160,82,.12) 0%, transparent 60%);
    pointer-events: none;
}

.login-card {
    position: relative;
    background: #fff;
    border-radius: var(--radius-xl, 24px);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 24px 64px rgba(8,8,10,.35);
    border: 1px solid rgba(255,255,255,.08);
}

.login-card .brand {
    text-align: center;
    margin-bottom: 2rem;
}

.login-card .brand .login-logo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1rem;
    display: block;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    border: 3px solid var(--cream-dark);
}

.login-card .brand .icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--admin-accent), #fb923c);
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: .75rem;
    box-shadow: 0 8px 20px rgba(249, 115, 22, 0.3);
}

.login-card .brand h2 {
    font-size: 1.3rem;
    color: #0f172a;
}

.login-card .brand p {
    color: #64748b;
    font-size: .85rem;
}

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

.login-card .btn-primary {
    width: 100%;
    padding: .85rem;
    margin-top: .5rem;
    background: var(--gold, #c4a052);
    border-color: var(--gold, #c4a052);
    color: #08080a;
    font-weight: 700;
}

.login-card .btn-primary:hover {
    background: var(--gold-light, #dbb96a);
    border-color: var(--gold-light, #dbb96a);
}

.login-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.5rem 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.login-links a {
    font-size: 0.82rem;
    color: var(--text-3);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.login-links a:hover { color: var(--ink); }

.login-links span {
    color: var(--text-3);
    opacity: 0.4;
    font-size: 0.75rem;
}

/* ─── ADMIN CALENDAR ─── */
.cal-layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 1.25rem;
    align-items: start;
}

.cal-month-panel,
.cal-day-panel {
    background: var(--admin-card);
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
    border: 1px solid #e8ecf1;
    overflow: hidden;
}

.cal-month-panel { padding: 1.25rem; }

.cal-month-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.cal-month-header h2 {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.cal-month-nav { display: flex; gap: .35rem; }

.cal-nav-btn {
    width: 34px;
    height: 34px;
    border: 1px solid #e2e8f0;
    background: #fff;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    color: #334155;
    transition: all .2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cal-nav-btn:hover {
    background: var(--admin-primary);
    color: #fff;
    border-color: var(--admin-primary);
}

.cal-nav-today {
    width: auto;
    padding: 0 .75rem;
    font-size: .75rem;
    font-weight: 700;
}

.cal-legend {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: .35rem;
    font-size: .72rem;
    font-weight: 600;
    color: #64748b;
}

.legend-item .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.legend-item .dot.pending { background: var(--admin-pending); }
.legend-item .dot.approved { background: var(--admin-approved); }
.legend-item .dot.completed { background: var(--admin-completed); }

.admin-cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.admin-cal-weekday {
    text-align: center;
    font-size: .68rem;
    font-weight: 700;
    color: #94a3b8;
    padding: .4rem 0;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.admin-cal-day {
    aspect-ratio: 1;
    min-height: 46px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    cursor: pointer;
    position: relative;
    transition: all .2s;
    border: 2px solid transparent;
}

.admin-cal-day.empty { pointer-events: none; }
.admin-cal-day.sunday { background: #fef2f2; color: #fca5a5; cursor: not-allowed; }
.admin-cal-day.past:not(.sunday) { color: #cbd5e1; }
.admin-cal-day:not(.empty):not(.sunday):hover { background: #f8fafc; border-color: #e2e8f0; }
.admin-cal-day.today { box-shadow: inset 0 0 0 2px var(--admin-info); }
.admin-cal-day.has-data:not(.sunday) { background: #fafbfc; }
.admin-cal-day.selected {
    background: var(--admin-primary) !important;
    color: #fff !important;
    border-color: var(--admin-primary);
    box-shadow: 0 4px 12px rgba(10, 15, 28, 0.2);
}

.admin-cal-day .day-num { font-size: .85rem; font-weight: 700; }
.admin-cal-day .day-dots { display: flex; gap: 3px; margin-top: 3px; }

.mini-dot { width: 5px; height: 5px; border-radius: 50%; }
.mini-dot.pending { background: var(--admin-pending); }
.mini-dot.approved { background: var(--admin-approved); }
.mini-dot.completed { background: var(--admin-completed); }

.admin-cal-day .day-count {
    position: absolute;
    top: 3px;
    right: 5px;
    font-size: .6rem;
    font-weight: 800;
    background: var(--admin-accent);
    color: #fff;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-cal-day.selected .day-count { background: rgba(255,255,255,.25); }

.cal-day-panel { min-height: 520px; }

.cal-day-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    color: #94a3b8;
    padding: 2rem;
    text-align: center;
}

.cal-day-empty-icon { font-size: 3rem; margin-bottom: 1rem; opacity: .5; }
.cal-day-empty h3 { font-size: 1.1rem; color: #475569; margin-bottom: .35rem; }

.cal-day-header {
    padding: 1.5rem 1.75rem;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
    background: linear-gradient(135deg, #fafbfc 0%, #fff 100%);
}

.cal-day-header h2 { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em; }
.cal-day-header p { font-size: .85rem; color: #64748b; margin-top: .15rem; }

.cal-day-stats { display: flex; gap: .75rem; }

.cal-day-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: .75rem;
}

.cal-add-btn {
    margin-left: auto;
    padding: .25rem .65rem;
    font-size: .72rem;
}

.create-form-note {
    font-size: .85rem;
    color: #64748b;
    margin-bottom: 1rem;
    padding: .75rem 1rem;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #eef2f6;
}

.modal-sub {
    font-size: .85rem;
    color: #64748b;
    margin-top: .2rem;
}

.btn-xs {
    padding: .25rem .6rem;
    font-size: .72rem;
    line-height: 1.3;
}

.mini-stat {
    text-align: center;
    padding: .5rem .85rem;
    background: #f8fafc;
    border-radius: 10px;
    border: 1px solid #f1f5f9;
}

.mini-stat .val { display: block; font-size: 1.25rem; font-weight: 800; color: #0f172a; line-height: 1; }
.mini-stat .lbl { font-size: .65rem; font-weight: 600; color: #94a3b8; text-transform: uppercase; letter-spacing: .04em; }
.mini-stat.pending .val { color: var(--admin-pending); }
.mini-stat.approved .val { color: var(--admin-approved); }

.cal-closed { text-align: center; padding: 4rem 2rem; color: #94a3b8; }
.cal-closed span { font-size: 2.5rem; display: block; margin-bottom: .75rem; }

.cal-slots {
    padding: 1.25rem 1.75rem 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-height: calc(100vh - 220px);
    overflow-y: auto;
}

.cal-slot-block {
    border: 1px solid #eef2f6;
    border-radius: 12px;
    overflow: hidden;
    background: #fafbfc;
}

.cal-slot-head {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .85rem 1rem;
    background: #fff;
    border-bottom: 1px solid #eef2f6;
    flex-wrap: wrap;
}

.cal-slot-head.full { background: #fef2f2; }

.slot-time-label {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-weight: 700;
    font-size: .9rem;
    color: #0f172a;
    min-width: 130px;
}

.slot-capacity-bar {
    flex: 1;
    height: 6px;
    background: #e2e8f0;
    border-radius: 999px;
    overflow: hidden;
    min-width: 80px;
}

.slot-capacity-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--admin-approved), #34d399);
    border-radius: 999px;
    transition: width .3s;
}

.cal-slot-head.full .slot-capacity-fill {
    background: linear-gradient(90deg, var(--admin-danger), #f87171);
}

.slot-capacity-text { font-size: .75rem; font-weight: 600; color: #64748b; white-space: nowrap; }

.slot-full-badge {
    font-size: .65rem;
    font-weight: 800;
    color: var(--admin-danger);
    background: #fee2e2;
    padding: .2rem .5rem;
    border-radius: 999px;
    letter-spacing: .04em;
}

.cal-slot-body {
    padding: .75rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: .6rem;
}

.cal-appt-card {
    background: #fff;
    border-radius: 10px;
    padding: .85rem 1rem;
    border: 1px solid #e8ecf1;
    cursor: pointer;
    transition: all .2s;
    border-left: 3px solid #e2e8f0;
}

.cal-appt-card.pending { border-left-color: var(--admin-pending); }
.cal-appt-card.approved { border-left-color: var(--admin-approved); }
.cal-appt-card.rejected { border-left-color: var(--admin-danger); opacity: .7; }
.cal-appt-card.completed { border-left-color: var(--admin-completed); }
.cal-appt-card.cancelled { border-left-color: #94a3b8; opacity: .65; }

.cal-appt-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,.08);
    border-color: transparent;
}

.appt-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: .5rem;
    margin-bottom: .35rem;
}

.appt-card-top strong { font-size: .875rem; font-weight: 700; color: #0f172a; }

.appt-card-meta {
    display: flex;
    flex-direction: column;
    gap: .1rem;
    font-size: .78rem;
    color: #64748b;
}

.appt-card-no {
    margin-top: .5rem;
    font-size: .7rem;
    font-weight: 700;
    color: var(--admin-accent);
    letter-spacing: .02em;
}

.cal-slot-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 1.25rem;
    color: #94a3b8;
    font-size: .85rem;
}

@media (max-width: 1100px) {
    .cal-layout { grid-template-columns: 1fr; }
    .cal-slots { max-height: none; }
}

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .admin-main { margin-left: 0; }
    .detail-grid { grid-template-columns: 1fr; }
    .data-table { font-size: .75rem; }
}