*, *::before, *::after { box-sizing:border-box; margin:0; padding:0; }
:root {
    --dark:    #0D1B2A;
    --mid:     #111E2E;
    --card:    #16283A;
    --text:    #F1F5F9;
    --sub:     rgba(255,255,255,.50);
    --border:  rgba(255,255,255,.08);
    --text:    #F1F5F9;
    --sub:     rgba(255,255,255,.50);
    --green:   #1D9E75;
    --blue:    #2E6DA4;
    --accent:  #4A9ED6;
    --danger:  #EF4444;
    --warn:    #F59E0B;
    --sidebar: 220px;
}
body { font-family:'Segoe UI',system-ui,sans-serif; background:var(--dark); color:var(--text); }

/* Auth */
.adm-body--auth { display:flex;align-items:center;justify-content:center;min-height:100vh; }
.auth-wrap { width:100%;max-width:400px;padding:20px; }
.auth-card { background:var(--card);border-radius:14px;padding:36px;border:1px solid var(--border); }
.auth-logo { font-size:2.5rem;text-align:center;margin-bottom:12px; }
.auth-title { font-size:1.5rem;font-weight:900;text-align:center;margin-bottom:4px; }
.auth-sub { color:var(--sub);text-align:center;margin-bottom:24px;font-size:.875rem; }

/* Layout */
.adm-layout { display:flex;min-height:100vh; }
.adm-content { flex:1;padding:24px;overflow:auto; }

/* Sidebar */
.adm-sidebar { width:var(--sidebar);background:var(--mid);border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;flex-shrink:0; }
.adm-sidebar__brand { display:flex;align-items:center;gap:10px;padding:20px 16px;border-bottom:1px solid var(--border); }
.adm-sidebar__logo { font-size:1.5rem; }
.adm-sidebar__name { font-size:.9375rem;font-weight:800; }
.adm-sidebar__sub { font-size:.7rem;color:var(--sub); }
.adm-nav { flex:1;padding:10px 0; }
.adm-nav__link { display:flex;align-items:center;gap:10px;padding:10px 16px;color:var(--sub);text-decoration:none;font-size:.875rem;font-weight:500;transition:.12s;border-left:3px solid transparent; }
.adm-nav__link:hover,.adm-nav__link--active { background:rgba(255,255,255,.06);color:var(--text) !important;text-decoration:none !important;border-left-color:var(--green); }
.adm-nav__icon { font-size:1rem;width:20px;text-align:center; }
.adm-sidebar__footer { padding:14px 16px;border-top:1px solid var(--border); }
.adm-sidebar__user { font-size:.8125rem;font-weight:600;margin-bottom:8px;color:var(--sub); }
.adm-logout { background:none;border:1px solid var(--border);color:var(--sub);padding:6px 12px;border-radius:7px;font-size:.75rem;cursor:pointer;width:100%;transition:.12s; }
.adm-logout:hover { border-color:var(--danger);color:var(--danger); }

/* Flash */
.adm-flash { padding:12px 16px;border-radius:8px;margin-bottom:16px;font-weight:600;font-size:.875rem; }
.adm-flash--success { background:rgba(29,158,117,.15);color:#34D399;border:1px solid rgba(29,158,117,.3); }
.adm-flash--error   { background:rgba(239,68,68,.12);color:#F87171;border:1px solid rgba(239,68,68,.25); }
.adm-flash--info    { background:rgba(74,158,214,.12);color:#93C5FD;border:1px solid rgba(74,158,214,.2); }

/* Page header */
.adm-page-header { display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px; }
.adm-page-title { font-size:1.5rem;font-weight:900;margin-bottom:2px; }
.adm-page-sub { color:var(--sub);font-size:.875rem; }

/* Stats */
.adm-stats { display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-bottom:20px; }
.adm-stat { background:var(--card);border-radius:10px;padding:16px;border:1px solid var(--border); }
.adm-stat--warn { border-color:rgba(245,158,11,.3);background:rgba(245,158,11,.08); }
.adm-stat--danger { border-color:rgba(239,68,68,.3);background:rgba(239,68,68,.08); }
.adm-stat__val { font-size:1.75rem;font-weight:900;margin-bottom:2px; }
.adm-stat__label { font-size:.75rem;color:var(--sub);font-weight:600;text-transform:uppercase;letter-spacing:.06em; }
.adm-stat__sub { font-size:.75rem;color:var(--sub);margin-top:2px; }

/* Cards */
.adm-card { background:var(--card);border-radius:12px;border:1px solid var(--border);margin-bottom:0;overflow:hidden; }
.adm-card--warn { border-color:rgba(245,158,11,.3); }
.adm-card__header { display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--border); }
.adm-card__title { font-size:1rem;font-weight:700; }
.adm-card__body { padding:16px; }
.adm-grid { display:grid;grid-template-columns:1fr 340px;gap:14px;align-items:start; }

/* Tables */
.adm-table-wrap { overflow-x:auto; }
.adm-table { width:100%;border-collapse:collapse; }
.adm-table th { padding:10px 14px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--sub);border-bottom:1px solid var(--border);text-align:left;background:rgba(255,255,255,.02); }
.adm-table td { padding:11px 14px;border-bottom:1px solid rgba(255,255,255,.04);font-size:.875rem;vertical-align:middle; }
.adm-table tbody tr:hover { background:rgba(255,255,255,.02); }
.adm-empty { padding:28px;text-align:center;color:var(--sub);font-style:italic; }

/* Appointment rows */
.adm-appt-row { display:flex;align-items:flex-start;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);transition:.1s; }
.adm-appt-row:hover { background:rgba(255,255,255,.02); }
.adm-appt-row--past { opacity:.45; }
.adm-appt-time { font-size:.8125rem;font-weight:700;color:var(--sub);min-width:60px;padding-top:2px; }
.adm-appt-dot { width:10px;height:10px;border-radius:50%;flex-shrink:0;margin-top:4px; }
.adm-appt-body { flex:1;min-width:0; }
.adm-appt-name { font-weight:700;font-size:.9375rem; }
.adm-appt-svc { font-size:.8rem;color:var(--sub); }
.adm-appt-phone { font-size:.75rem;color:var(--sub); }

/* Badges */
.adm-badge { display:inline-block;padding:2px 8px;border-radius:10px;font-size:.7rem;font-weight:700; }
.adm-badge--confirmed  { background:rgba(29,158,117,.2);color:#34D399; }
.adm-badge--pending    { background:rgba(245,158,11,.2);color:#FBBF24; }
.adm-badge--completed  { background:rgba(74,158,214,.2);color:#93C5FD; }
.adm-badge--cancelled  { background:rgba(239,68,68,.15);color:#F87171; }
.adm-badge--no_show,.adm-badge--danger { background:rgba(239,68,68,.15);color:#F87171; }
.adm-badge--warning    { background:rgba(245,158,11,.15);color:#FBBF24; }
.adm-badge--sent       { background:rgba(29,158,117,.15);color:#34D399; }
.adm-badge--failed     { background:rgba(239,68,68,.15);color:#F87171; }

/* Buttons */
.adm-btn { display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:8px;font-size:.8125rem;font-weight:600;cursor:pointer;border:none;text-decoration:none;transition:.12s; }
.adm-btn--primary { background:var(--green);color:#fff; }
.adm-btn--primary:hover { background:#178a63;color:#fff;text-decoration:none; }
.adm-btn--ghost { background:rgba(255,255,255,.06);color:var(--text);border:1px solid var(--border); }
.adm-btn--ghost:hover { background:rgba(255,255,255,.10);color:var(--text);text-decoration:none; }
.adm-btn--danger { background:rgba(239,68,68,.15);color:#F87171;border:1px solid rgba(239,68,68,.2); }
.adm-btn--danger:hover { background:var(--danger);color:#fff; }
.adm-btn--sm { padding:5px 10px;font-size:.75rem; }
.adm-btn--full { width:100%; }
.adm-btn:disabled { opacity:.4;cursor:not-allowed; }

/* Inputs */
.adm-input { width:100%;padding:9px 12px;background:rgba(255,255,255,.06);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:.875rem;outline:none;transition:.15s; }
.adm-input:focus { border-color:var(--green);background:rgba(29,158,117,.08); }
select.adm-input option { background:#1E293B;color:#fff; }
.pub-label { display:block;font-size:.8125rem;font-weight:600;color:var(--sub);margin-bottom:5px; }
.form-group-pub { margin-bottom:12px; }
.form-row-pub { display:grid;grid-template-columns:1fr 1fr;gap:12px; }

/* Filter row */
.adm-filter-row { display:flex;gap:10px;flex-wrap:wrap;align-items:center; }

/* Detail list */
.adm-detail-list { }
.adm-detail-row { display:flex;justify-content:space-between;padding:10px 16px;border-bottom:1px solid var(--border);font-size:.875rem; }
.adm-detail-label { color:var(--sub); }
.adm-detail-val { font-weight:600; }

/* Calendar week view */
.cal-week-header { display:grid;grid-template-columns:repeat(7,1fr);border-bottom:1px solid var(--border); }
.cal-week-day { padding:12px 8px;text-align:center; }
.cal-week-day--today .cal-week-day__num { background:var(--green);color:#fff;border-radius:50%;width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center; }
.cal-week-day__name { font-size:.7rem;font-weight:700;text-transform:uppercase;color:var(--sub);margin-bottom:4px; }
.cal-week-day__num { font-size:1rem;font-weight:700; }
.cal-week-body { display:grid;grid-template-columns:repeat(7,1fr);min-height:400px; }
.cal-week-col { border-right:1px solid var(--border);padding:8px;position:relative; }
.cal-week-col--today { background:rgba(29,158,117,.04); }
.cal-week-col__link { position:absolute;inset:0;z-index:0; }
.cal-event { display:block;position:relative;z-index:1;background:rgba(255,255,255,.05);border-left:3px solid;border-radius:6px;padding:6px 8px;margin-bottom:6px;font-size:.75rem;text-decoration:none;color:var(--text);transition:.12s; }
.cal-event:hover { background:rgba(255,255,255,.10);text-decoration:none;color:var(--text); }
.cal-event__time { font-weight:700;margin-bottom:1px; }
.cal-event__name { font-weight:600; }
.cal-event__svc { color:var(--sub); }

/* ── Auth / Login ──────────────────────────────────────────── */
.adm-body--auth {
    background: #0D1B2A;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.adm-body--auth::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(29,158,117,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(29,158,117,.06) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 0;
}

.auth-wrap {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.auth-card {
    background: #1a2535;
    border-radius: 20px;
    padding: 40px 36px;
    box-shadow: 0 24px 64px rgba(0,0,0,.50);
    border: 1px solid rgba(255,255,255,.07);
}

.auth-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-bottom: 32px;
}

.auth-brand__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1D9E75, #1A4A3A);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

.auth-brand__name {
    font-size: 1.25rem;
    font-weight: 800;
    color: #F1F5F9;
    letter-spacing: -.02em;
}

.auth-brand__sub {
    font-size: .75rem;
    color: rgba(255,255,255,.35);
    letter-spacing: .08em;
    text-transform: uppercase;
}

.auth-heading {
    font-size: 1.0625rem;
    font-weight: 700;
    color: #F1F5F9;
    text-align: center;
    margin-bottom: 6px;
}

.auth-sub {
    font-size: .875rem;
    color: rgba(255,255,255,.40);
    text-align: center;
    margin-bottom: 28px;
}

.auth-form-group { margin-bottom: 16px; }

.auth-form-group + .auth-form-group { margin-top: 14px; }

.auth-submit {
    width: 100%;
    margin-top: 20px;
    padding: 13px;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: .8125rem;
    opacity: .35;
}

.auth-footer a { color: inherit; text-decoration: none; }
.auth-footer a:hover { opacity: 1; color: #1D9E75; }

/* ── Sidebar section labels ────────────────────────────────── */
.adm-nav__section-label {
    font-size: .6rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: rgba(255,255,255,.25);
    padding: 16px 16px 4px;
}

/* ── Collapsible sidebar sections ────────────────────────── */
.adm-nav__section-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 6px 12px;
    margin-top: 6px;
    background: none;
    border: none;
    cursor: pointer;
    color: rgba(255,255,255,.35);
    font-size: .68rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .1em;
    border-radius: 6px;
    transition: .15s;
}

.adm-nav__section-btn:hover {
    color: rgba(255,255,255,.6);
    background: rgba(255,255,255,.04);
}

.adm-nav__section-btn--open {
    color: rgba(255,255,255,.55);
}

.adm-nav__section-arrow {
    font-size: .8rem;
    transition: transform .2s ease;
    display: inline-block;
}

.adm-nav__section-btn--open .adm-nav__section-arrow {
    transform: rotate(90deg);
}

.adm-nav__section-body {
    overflow: hidden;
    max-height: 0;
    transition: max-height .25s ease;
}

.adm-nav__section-body--open {
    max-height: 600px;
}

/* ── Form card max width ─────────────────────────────── */
.adm-card--form { max-width: 600px; }

/* ── Divider ─────────────────────────────────────────── */
.adm-divider {
    display: flex; align-items: center;
    gap: 12px; margin: 16px 0;
    color: var(--sub); font-size: .75rem;
    font-weight: 700; text-transform: uppercase;
    letter-spacing: .08em;
}
.adm-divider::before,
.adm-divider::after {
    content: ''; flex: 1;
    height: 1px; background: var(--border);
}

/* ── Notification checkbox ───────────────────────────── */
.adm-notify-check {
    margin-bottom: 16px;
    padding: 12px 14px;
    background: rgba(29,158,117,.08);
    border: 1px solid rgba(29,158,117,.2);
    border-radius: 8px;
}
.adm-checkbox-label {
    display: flex; align-items: center;
    gap: 10px; cursor: pointer;
    font-size: .875rem; color: var(--text);
}
.adm-checkbox-label input[type="checkbox"] {
    width: 18px; height: 18px;
    accent-color: var(--green);
    cursor: pointer; flex-shrink: 0;
}
.adm-checkbox-box { display: none; }

/* ── Mobile hamburger button ─────────────────────────── */
.adm-topbar {
    display: none;
    position: sticky; top: 0; z-index: 200;
    background: var(--mid);
    border-bottom: 1px solid var(--border);
    padding: 12px 16px;
    align-items: center; gap: 12px;
}
.adm-topbar__burger {
    background: none; border: none;
    cursor: pointer; padding: 4px;
    display: flex; flex-direction: column;
    gap: 5px;
}
.adm-topbar__burger span {
    display: block; width: 22px; height: 2px;
    background: var(--text); border-radius: 2px;
    transition: .25s;
}
.adm-topbar__title {
    font-size: .9375rem; font-weight: 700;
}

/* ── Sidebar overlay on mobile ───────────────────────── */
.adm-sidebar-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.6);
    z-index: 299;
}
.adm-sidebar-overlay.open { display: block; }

/* ── Mobile responsive ───────────────────────────────── */
@media (max-width: 768px) {
    .adm-layout { flex-direction: column; }

    .adm-topbar { display: flex; }

    .adm-sidebar {
        position: fixed;
        top: 0; left: 0; bottom: 0;
        z-index: 300;
        transform: translateX(-100%);
        transition: transform .25s ease;
        width: 260px;
        height: 100vh;
    }

    .adm-sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 32px rgba(0,0,0,.5);
    }

    .adm-content {
        padding: 16px;
        width: 100%;
    }

    .adm-grid {
        grid-template-columns: 1fr;
    }

    .adm-stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .adm-card--form {
        max-width: 100%;
    }

    .adm-page-header {
        flex-direction: column;
        gap: 10px;
    }

    .adm-filter-row {
        flex-direction: column;
        align-items: stretch;
    }

    .adm-table { font-size: .8125rem; }
    .adm-table th, .adm-table td { padding: 8px 10px; }
}

@media (max-width: 480px) {
    .adm-stats { grid-template-columns: 1fr 1fr; }
    .adm-stat__val { font-size: 1.375rem; }
}