/* ==========================================================================
   Hospital Management System — application theme.
   Layered on Bootstrap 5: only layout, brand tokens and components Bootstrap
   does not provide. Mobile first; the sidebar becomes a drawer under 992px.
   ========================================================================== */

:root {
    --hms-primary: #0f766e;
    --hms-primary-dark: #115e59;
    --hms-primary-soft: #ccfbf1;
    --hms-accent: #1d4ed8;
    --hms-sidebar-bg: #0b1f2a;
    --hms-sidebar-fg: #cbd5e1;
    --hms-sidebar-active: #14b8a6;
    --hms-surface: #ffffff;
    --hms-bg: #f4f6f8;
    --hms-border: #e2e8f0;
    --hms-radius: .625rem;
    --hms-sidebar-w: 250px;
    --hms-topbar-h: 60px;

    --bs-primary: #0f766e;
    --bs-primary-rgb: 15, 118, 110;
    --bs-body-bg: #f4f6f8;
    --bs-body-color: #1f2937;
    --bs-border-color: #e2e8f0;
    --bs-link-color: #0f766e;
    --bs-link-hover-color: #115e59;
}

body {
    background: var(--hms-bg);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: .9375rem;
}

/* --- Buttons / focus ---------------------------------------------------- */
.btn-primary {
    --bs-btn-bg: var(--hms-primary);
    --bs-btn-border-color: var(--hms-primary);
    --bs-btn-hover-bg: var(--hms-primary-dark);
    --bs-btn-hover-border-color: var(--hms-primary-dark);
    --bs-btn-active-bg: var(--hms-primary-dark);
    --bs-btn-active-border-color: var(--hms-primary-dark);
    --bs-btn-disabled-bg: var(--hms-primary);
    --bs-btn-disabled-border-color: var(--hms-primary);
}
.btn-outline-primary {
    --bs-btn-color: var(--hms-primary);
    --bs-btn-border-color: var(--hms-primary);
    --bs-btn-hover-bg: var(--hms-primary);
    --bs-btn-hover-border-color: var(--hms-primary);
    --bs-btn-active-bg: var(--hms-primary-dark);
}
.form-control:focus, .form-select:focus, .btn:focus-visible {
    border-color: var(--hms-primary);
    box-shadow: 0 0 0 .2rem rgba(15, 118, 110, .2);
}
a { text-decoration: none; }
a:hover { text-decoration: underline; }

.btn-icon {
    width: 38px; height: 38px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%; border: 0; background: transparent;
    color: #475569; font-size: 1.15rem; position: relative;
}
.btn-icon:hover { background: #eef2f5; color: var(--hms-primary); }

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

.app-sidebar {
    width: var(--hms-sidebar-w);
    flex: 0 0 var(--hms-sidebar-w);
    background: var(--hms-sidebar-bg);
    color: var(--hms-sidebar-fg);
    display: flex; flex-direction: column;
    position: fixed; inset: 0 auto 0 0; z-index: 1045;
    transform: translateX(-100%);
    transition: transform .22s ease;
    overflow-y: auto;
    overscroll-behavior: contain;
}
.app-sidebar.open { transform: translateX(0); }

.sidebar-backdrop {
    position: fixed; inset: 0; background: rgba(2, 6, 23, .5);
    z-index: 1040; display: none;
}
.sidebar-backdrop.show { display: block; }

.sidebar-brand {
    display: flex; align-items: center; gap: .625rem;
    padding: 1rem 1.125rem; border-bottom: 1px solid rgba(255, 255, 255, .08);
    position: sticky; top: 0; background: var(--hms-sidebar-bg); z-index: 1;
}
.brand-mark {
    width: 36px; height: 36px; flex: 0 0 36px;
    border-radius: 10px; display: grid; place-items: center;
    background: var(--hms-primary); color: #fff; font-size: 1.15rem;
}
.brand-text { line-height: 1.15; min-width: 0; }
.brand-text strong {
    display: block; color: #fff; font-size: .9rem;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.brand-text small { color: #94a3b8; font-size: .7rem; }

.sidebar-nav { padding: .5rem 0 1.5rem; }
.sidebar-section {
    padding: 1rem 1.125rem .35rem;
    font-size: .68rem; letter-spacing: .09em; text-transform: uppercase;
    color: #64748b; font-weight: 600;
}
.sidebar-link {
    display: flex; align-items: center; gap: .7rem;
    padding: .55rem 1.125rem; color: var(--hms-sidebar-fg);
    font-size: .875rem; border-left: 3px solid transparent;
}
.sidebar-link:hover { background: rgba(255, 255, 255, .05); color: #fff; text-decoration: none; }
.sidebar-link.active {
    background: rgba(20, 184, 166, .13);
    border-left-color: var(--hms-sidebar-active);
    color: #fff; font-weight: 600;
}
.sidebar-link i { font-size: 1.05rem; width: 1.2rem; text-align: center; }

.app-main { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; }

.app-topbar {
    height: var(--hms-topbar-h);
    background: var(--hms-surface);
    border-bottom: 1px solid var(--hms-border);
    display: flex; align-items: center; gap: .75rem;
    padding: 0 1rem; position: sticky; top: 0; z-index: 1030;
}
.topbar-title {
    font-size: 1.02rem; font-weight: 600; margin: 0;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: .35rem; }

.btn-user {
    display: flex; align-items: center; gap: .5rem;
    background: transparent; border: 0; padding: .25rem .4rem; border-radius: var(--hms-radius);
}
.btn-user:hover { background: #eef2f5; }
.avatar {
    width: 34px; height: 34px; flex: 0 0 34px; border-radius: 50%;
    background: var(--hms-primary-soft); color: var(--hms-primary-dark);
    display: grid; place-items: center; font-weight: 700; font-size: .78rem;
}
.notif-dot {
    position: absolute; top: 7px; right: 8px;
    width: 8px; height: 8px; border-radius: 50%; background: #ef4444;
    border: 2px solid #fff;
}
.notif-menu { width: min(340px, 92vw); padding: 0; }
.notif-list { max-height: 340px; overflow-y: auto; }

.app-content { flex: 1 1 auto; padding: 1.25rem 1rem 2rem; }
.app-footer {
    display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
    padding: .85rem 1rem; border-top: 1px solid var(--hms-border);
    background: var(--hms-surface); font-size: .8rem; color: #64748b;
}

@media (min-width: 992px) {
    .app-sidebar { position: sticky; height: 100vh; transform: none; }
    .sidebar-backdrop { display: none !important; }
    .app-content { padding: 1.5rem 1.5rem 2.5rem; }
    .app-topbar { padding: 0 1.5rem; }
}

/* --- Cards & KPIs -------------------------------------------------------- */
.card {
    border: 1px solid var(--hms-border);
    border-radius: var(--hms-radius);
    box-shadow: 0 1px 2px rgba(16, 24, 40, .04);
}
.card-header {
    background: var(--hms-surface);
    border-bottom: 1px solid var(--hms-border);
    padding: .8rem 1rem; font-weight: 600; font-size: .92rem;
    display: flex; align-items: center; gap: .5rem; flex-wrap: wrap;
}

.kpi {
    display: flex; align-items: flex-start; gap: .85rem;
    padding: 1rem; background: var(--hms-surface);
    border: 1px solid var(--hms-border); border-radius: var(--hms-radius);
    height: 100%;
}
.kpi-icon {
    width: 42px; height: 42px; flex: 0 0 42px; border-radius: 11px;
    display: grid; place-items: center; font-size: 1.15rem;
}
.kpi-label { font-size: .74rem; text-transform: uppercase; letter-spacing: .05em; color: #64748b; font-weight: 600; }
.kpi-value { font-size: 1.4rem; font-weight: 700; line-height: 1.2; }
.kpi-meta { font-size: .76rem; color: #64748b; }

.stat-tint-teal   { background: #ccfbf1; color: #0f766e; }
.stat-tint-blue   { background: #dbeafe; color: #1d4ed8; }
.stat-tint-amber  { background: #fef3c7; color: #b45309; }
.stat-tint-red    { background: #fee2e2; color: #b91c1c; }
.stat-tint-green  { background: #dcfce7; color: #15803d; }
.stat-tint-violet { background: #ede9fe; color: #6d28d9; }
.stat-tint-slate  { background: #e2e8f0; color: #334155; }

/* --- Tables -------------------------------------------------------------- */
.table-wrap { overflow-x: auto; }
.table { margin-bottom: 0; font-size: .875rem; }
.table > thead > tr > th {
    background: #f8fafc; font-size: .72rem; text-transform: uppercase;
    letter-spacing: .04em; color: #64748b; font-weight: 600;
    border-bottom: 1px solid var(--hms-border); white-space: nowrap;
}
.table > tbody > tr > td { vertical-align: middle; }
.table-hover > tbody > tr:hover > * { background: #f8fafc; }
.table th a.sort-link { color: inherit; display: inline-flex; align-items: center; gap: .25rem; }
.table th a.sort-link:hover { color: var(--hms-primary); text-decoration: none; }

.badge-status { font-weight: 600; font-size: .7rem; padding: .3rem .5rem; text-transform: capitalize; }

/* Mobile: turn each row into a labelled card instead of a horizontal scroll. */
@media (max-width: 767.98px) {
    .table-stack thead { display: none; }
    .table-stack, .table-stack tbody, .table-stack tr, .table-stack td { display: block; width: 100%; }
    .table-stack tr {
        border: 1px solid var(--hms-border); border-radius: var(--hms-radius);
        margin-bottom: .625rem; padding: .35rem .25rem; background: #fff;
    }
    .table-stack td {
        display: flex; justify-content: space-between; gap: 1rem;
        border: 0; padding: .35rem .75rem; text-align: right;
    }
    .table-stack td::before {
        content: attr(data-label); font-weight: 600; color: #64748b;
        font-size: .74rem; text-transform: uppercase; letter-spacing: .04em;
        text-align: left; flex: 0 0 auto;
    }
    .table-stack td[data-label=""]::before { content: ""; }
}

/* --- Empty / states ------------------------------------------------------ */
.empty-state { text-align: center; padding: 2.5rem 1rem; color: #64748b; }
.empty-state i { font-size: 2.25rem; color: #cbd5e1; display: block; margin-bottom: .5rem; }
.empty-state h6 { color: #334155; font-weight: 600; }
.empty-state p { font-size: .85rem; max-width: 30rem; margin: .25rem auto 1rem; }

/* --- Forms --------------------------------------------------------------- */
.form-label { font-size: .8rem; font-weight: 600; color: #334155; margin-bottom: .25rem; }
.form-section { border-top: 1px solid var(--hms-border); padding-top: 1rem; margin-top: 1rem; }
.form-section:first-of-type { border-top: 0; margin-top: 0; padding-top: 0; }
.form-section-title {
    font-size: .74rem; text-transform: uppercase; letter-spacing: .06em;
    color: var(--hms-primary); font-weight: 700; margin-bottom: .75rem;
}
.required::after { content: " *"; color: #dc2626; }
.form-text { font-size: .76rem; }

.filter-bar { background: var(--hms-surface); border: 1px solid var(--hms-border); border-radius: var(--hms-radius); padding: .85rem; }

/* --- Queue board --------------------------------------------------------- */
.token-now {
    background: linear-gradient(135deg, var(--hms-primary), #0891b2);
    color: #fff; border-radius: var(--hms-radius); padding: 1.5rem; text-align: center;
}
.token-now .token-number { font-size: clamp(2.75rem, 12vw, 4.5rem); font-weight: 800; line-height: 1; }

/* --- Bed board ----------------------------------------------------------- */
.bed-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: .625rem; }
.bed-tile {
    border: 1px solid var(--hms-border); border-radius: var(--hms-radius);
    padding: .625rem; background: #fff; font-size: .8rem;
}
.bed-tile .bed-no { font-weight: 700; font-size: .95rem; }
.bed-tile.is-available { border-left: 4px solid #16a34a; }
.bed-tile.is-occupied  { border-left: 4px solid #dc2626; background: #fef2f2; }
.bed-tile.is-reserved  { border-left: 4px solid #d97706; background: #fffbeb; }
.bed-tile.is-maintenance { border-left: 4px solid #64748b; background: #f8fafc; }

/* --- Invoice print ------------------------------------------------------- */
.invoice-sheet { background: #fff; padding: 2rem; max-width: 850px; margin: 0 auto; }
.invoice-head { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.invoice-total-row td { font-weight: 700; }

@media print {
    .app-sidebar, .app-topbar, .app-footer, .no-print, .breadcrumb { display: none !important; }
    .app-content { padding: 0 !important; }
    body { background: #fff; font-size: 12px; }
    .card { border: 0 !important; box-shadow: none !important; }
    .invoice-sheet { padding: 0; max-width: none; }
    a[href]::after { content: none !important; }
}

/* --- Utilities ----------------------------------------------------------- */
.text-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .85em; }
.cursor-pointer { cursor: pointer; }
.min-w-0 { min-width: 0; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sticky-actions { position: sticky; bottom: 0; background: #fff; border-top: 1px solid var(--hms-border); padding: .75rem 1rem; }