/* ==========================================================================
   RAAS v2 & MedCRM Visual Parity Design System
   ========================================================================== */

:root {
    /* 1. Design Tokens — Exact 30 tokens from MedCRM reference */
    --bg: #f5f8fa;
    --bg-alt: #eef3f6;
    --surface: #ffffff;
    --surface-2: #f8fbfc;
    --border: #e2e9ee;
    --border-2: #cfdbe3;

    --ink: #0f2a35;
    --ink-2: #33525f;
    --muted: #6b8494;
    --muted-2: #94a9b5;

    --brand: #0d7f86;
    --brand-2: #0b6b72;
    --brand-soft: #e3f4f4;
    --accent: #7c3aed;
    --accent-soft: #f1e9fe;

    --ok: #12855a;
    --ok-soft: #e2f6ec;
    --warn: #b7791f;
    --warn-soft: #fdf3e0;
    --danger: #c53030;
    --danger-soft: #fdeaea;
    --info: #1f6fb2;
    --info-soft: #e6f1fa;

    --shadow-sm: 0 1px 2px rgba(15, 42, 53, .06), 0 1px 3px rgba(15, 42, 53, .04);
    --shadow: 0 2px 6px rgba(15, 42, 53, .07), 0 8px 24px -12px rgba(15, 42, 53, .12);
    --shadow-lg: 0 12px 40px -12px rgba(15, 42, 53, .22);

    --r-sm: 7px;
    --r: 11px;
    --r-lg: 16px;
    --sidebar-w: 244px;

    /* RAAS Backward compatibility aliases */
    --primary: var(--brand);
    --primary-hover: var(--brand-2);
    --primary-soft: var(--brand-soft);
    --text: var(--ink);
    --text-muted: var(--muted);
    --surface-muted: var(--surface-2);
    --radius: var(--r);
    --success: var(--ok);
    --success-soft: var(--ok-soft);
    --warning: var(--warn);
    --warning-soft: var(--warn-soft);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "Segoe UI", "Noto Kufi Arabic", "Tahoma", "Noto Sans Arabic", "Cairo", system-ui, -apple-system, sans-serif;
    font-size: 14.5px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    max-width: 100%;
    overflow-x: hidden;
}

a {
    color: var(--brand);
    text-decoration: none;
    transition: color 0.12s ease;
}

a:hover {
    color: var(--brand-2);
    text-decoration: underline;
}

h1, h2, h3, h4 {
    margin: 0 0 0.4em;
    font-weight: 700;
    line-height: 1.35;
    color: var(--ink);
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.03rem; }
p { margin: 0 0 0.8em; }
small { color: var(--muted); }
code { background: var(--bg-alt); padding: 1px 5px; border-radius: 5px; font-size: 0.88em; }
hr { border: 0; border-top: 1px solid var(--border); margin: 18px 0; }

.ltr {
    direction: ltr;
    unicode-bidi: isolate;
    display: inline-block;
}

.mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-variant-numeric: tabular-nums;
}

.nowrap {
    white-space: nowrap !important;
}

.tiny {
    font-size: 11.8px;
}

.muted {
    color: var(--muted);
}

.flex {
    display: flex;
    align-items: center;
    gap: 8px;
}

.between {
    justify-content: space-between;
}

.mb2 {
    margin-bottom: 16px;
}

.spacer {
    margin-inline-start: auto;
}

/* ==========================================================================
   App Shell & Navigation
   ========================================================================== */

.app-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: 59px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 40;
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 15px;
    color: var(--ink);
}

.brand-badge {
    background: linear-gradient(145deg, var(--brand), #14a3a0);
    color: #ffffff;
    padding: 4px 10px;
    border-radius: var(--r-sm);
    font-size: 13px;
    font-weight: 800;
    box-shadow: 0 4px 12px -4px rgba(13, 127, 134, 0.4);
}

.topbar-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13.5px;
    color: var(--muted);
}

.user-pill {
    background: var(--surface-2);
    border: 1px solid var(--border);
    padding: 4px 12px;
    border-radius: 999px;
    color: var(--ink-2);
    font-weight: 600;
}

.workspace {
    display: flex;
    flex: 1;
    min-height: calc(100vh - 59px);
}

.sidebar {
    width: var(--sidebar-w);
    flex: 0 0 var(--sidebar-w);
    background: var(--surface);
    border-inline-end: 1px solid var(--border);
    padding: 16px 10px 24px;
    display: flex;
    flex-direction: column;
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: var(--r-sm);
    color: var(--ink-2);
    font-weight: 600;
    font-size: 13.4px;
    transition: background 0.12s ease, color 0.12s ease;
    text-decoration: none;
}

.nav-link:hover {
    background: var(--bg-alt);
    color: var(--ink);
    text-decoration: none;
}

.nav-link.active, .nav-link.is-active {
    background: var(--brand-soft);
    color: var(--brand-2);
    font-weight: 700;
}

.content {
    flex: 1;
    padding: 20px 24px 60px;
    max-width: 1560px;
    min-width: 0;
    width: 100%;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 18px;
}

.page-title {
    margin: 0;
    font-size: 21px;
    font-weight: 800;
    color: var(--ink);
}

.page-subtitle {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 13.2px;
}

/* ==========================================================================
   2. Components: Cards & Grids
   ========================================================================== */

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    box-shadow: var(--shadow-sm);
    margin-bottom: 16px;
    overflow: hidden;
}

.card__head, .card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}

.card__head h2, .card__head h3, .card-title {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--ink);
}

.card__head .spacer {
    margin-inline-start: auto;
}

.card__body, .card-body {
    padding: 16px;
}

.card__body--flush {
    padding: 0;
}

.card__foot {
    padding: 11px 16px;
    border-top: 1px solid var(--border);
    background: var(--surface-2);
    border-radius: 0 0 var(--r) var(--r);
}

.grid {
    display: grid;
    gap: 16px;
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--4, .kpi-grid { grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); }
.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(460px, 1fr)); gap: 16px; }

/* ==========================================================================
   3. Components: KPIs
   ========================================================================== */

.kpi, .kpi-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 14px 15px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.kpi__label, .kpi-label {
    font-size: 12.3px;
    color: var(--muted);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.kpi__value, .kpi-value {
    font-size: 25px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-top: 3px;
    color: var(--ink);
    font-variant-numeric: tabular-nums;
}

.kpi__value.primary { color: var(--brand); }
.kpi__value.warn { color: var(--warn); }
.kpi__sub { font-size: 12px; color: var(--muted); }

.kpi__bar {
    position: absolute;
    inset-inline-start: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--brand);
}

.kpi--ok .kpi__bar { background: var(--ok); }
.kpi--warn .kpi__bar { background: var(--warn); }
.kpi--danger .kpi__bar { background: var(--danger); }
.kpi--accent .kpi__bar { background: var(--accent); }

/* ==========================================================================
   4. Components: Chips (Filter Slices)
   ========================================================================== */

.chip-row, .chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border: 1px solid var(--border-2);
    border-radius: 999px;
    background: var(--surface);
    font-size: 12.4px;
    color: var(--ink-2);
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.chip:hover {
    background: var(--bg-alt);
    text-decoration: none;
    color: var(--ink);
}

.chip.is-active, .chip.active {
    background: var(--brand-soft);
    border-color: var(--brand);
    color: var(--brand-2);
    font-weight: 700;
}

.chip .badge {
    margin-inline-start: 4px;
    background: var(--bg-alt);
    color: var(--ink-2);
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 999px;
    font-weight: 700;
}

.chip.is-active .badge, .chip.active .badge {
    background: #ffffff;
    color: var(--brand);
}

/* ==========================================================================
   5. Components: Badges
   ========================================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11.7px;
    font-weight: 700;
    background: var(--bg-alt);
    color: var(--ink-2);
    white-space: nowrap;
    border: none;
}

.badge--ok, .badge-success, .badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge--warn, .badge-warn, .badge-warning { background: var(--warn-soft); color: var(--warn); }
.badge--danger, .badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge--info, .badge-info { background: var(--info-soft); color: var(--info); }
.badge--brand, .badge-primary { background: var(--brand-soft); color: var(--brand-2); }
.badge--accent { background: var(--accent-soft); color: var(--accent); }

.badge--dot::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    display: inline-block;
}

.badge-n {
    display: inline-grid;
    place-items: center;
    min-width: 19px;
    height: 19px;
    padding: 0 5px;
    border-radius: 999px;
    background: var(--danger);
    color: #ffffff;
    font-size: 11px;
    font-weight: 800;
}

.badge-n--soft {
    background: var(--bg-alt);
    color: var(--ink-2);
}

/* ==========================================================================
   6. Components: Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid var(--border-2);
    border-radius: var(--r-sm);
    background: var(--surface);
    color: var(--ink-2);
    font-family: inherit;
    font-size: 13.3px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
    transition: background 0.12s ease, border-color 0.12s ease, transform 0.06s ease;
}

.btn:hover { background: var(--bg-alt); text-decoration: none; color: var(--ink); }
.btn:active { transform: translateY(1px); }

.btn--primary, .btn-primary {
    background: var(--brand);
    border-color: var(--brand);
    color: #ffffff;
}

.btn--primary:hover, .btn-primary:hover {
    background: var(--brand-2);
    border-color: var(--brand-2);
    color: #ffffff;
}

.btn--accent { background: var(--accent); border-color: var(--accent); color: #ffffff; }
.btn--accent:hover { background: #6d28d9; }
.btn--ok { background: var(--ok); border-color: var(--ok); color: #ffffff; }

.btn--danger, .btn-danger {
    background: var(--danger-soft);
    border-color: #f3c7c7;
    color: var(--danger);
}
.btn--danger:hover { background: #fbdcdc; }

.btn--ghost {
    background: transparent;
    border-color: transparent;
    color: var(--brand);
}

.btn--sm, .btn-sm {
    padding: 5px 10px;
    font-size: 12.4px;
}

.btn--xs {
    padding: 3px 8px;
    font-size: 11.8px;
    border-radius: 6px;
    line-height: 1.4;
}

.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

.btn-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.btn-outline {
    background: var(--surface);
    color: var(--ink-2);
    border-color: var(--border-2);
}
.btn-outline:hover { background: var(--bg-alt); color: var(--ink); }

/* ==========================================================================
   7. Components: Tables
   ========================================================================== */

.table-wrap {
    overflow-x: auto;
    max-width: 100%;
}

table.tbl, table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.4px;
}

table.tbl th, table th {
    text-align: start;
    padding: 9px 12px;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    font-weight: 700;
    color: var(--ink-2);
    white-space: nowrap;
    font-size: 12.6px;
}

table.tbl td, table td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

table.tbl tbody tr:hover, table tbody tr:hover {
    background: var(--brand-soft);
}

table.tbl tbody tr:last-child td, table tbody tr:last-child td {
    border-bottom: 0;
}

table.tbl .num, table .num, td.num {
    text-align: end;
    font-variant-numeric: tabular-nums;
}

table.tbl .nowrap, table .nowrap, td.nowrap {
    white-space: nowrap !important;
}

table.tbl .actions, table .actions, td.actions {
    white-space: nowrap !important;
    text-align: end;
}

.empty {
    padding: 34px 16px;
    text-align: center;
    color: var(--muted);
}

.empty .big {
    font-size: 30px;
    opacity: 0.35;
    display: block;
    margin-bottom: 6px;
}

/* ==========================================================================
   8. Components: Toolbar
   ========================================================================== */

.toolbar {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    padding: 11px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    margin-bottom: 14px;
    box-shadow: var(--shadow-sm);
}

.toolbar .grow {
    flex: 1 1 180px;
    min-width: 150px;
}

.toolbar .spacer {
    margin-inline-start: auto;
}

.toolbar input, .toolbar select {
    font-family: inherit;
    font-size: 13.3px;
    padding: 7px 10px;
    border: 1px solid var(--border-2);
    border-radius: var(--r-sm);
    background: var(--surface);
    color: var(--ink);
}

.toolbar input:focus, .toolbar select:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px var(--brand-soft);
}

/* ==========================================================================
   9. Components: Assign Select
   ========================================================================== */

.assign-select {
    max-width: 168px;
    width: 100%;
    padding: 3px 7px;
    font-size: 11.6px;
    line-height: 1.5;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--ink);
    cursor: pointer;
    background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
    background-position: calc(100% - 12px) 50%, calc(100% - 8px) 50%;
    background-size: 4px 4px, 4px 4px;
    background-repeat: no-repeat;
    padding-inline-end: 20px;
    appearance: none;
    -webkit-appearance: none;
    transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

[dir="rtl"] .assign-select, html[dir="rtl"] .assign-select {
    background-position: 12px 50%, 8px 50%;
    padding-inline-end: 7px;
    padding-inline-start: 20px;
}

.assign-select:hover {
    border-color: var(--brand-2);
}

.assign-select:focus {
    outline: 2px solid rgba(13, 127, 134, 0.25);
    outline-offset: 1px;
    border-color: var(--brand-2);
}

@media (max-width: 900px) {
    .assign-select {
        max-width: 130px;
        font-size: 11px;
    }
}

/* ==========================================================================
   10. Components: Alerts
   ========================================================================== */

.alert {
    padding: 10px 14px;
    border-radius: var(--r-sm);
    font-size: 13.3px;
    margin-bottom: 14px;
    border: 1px solid;
}

.alert--ok, .alert-success { background: var(--ok-soft); border-color: #bfe6d3; color: #0b5c40; }
.alert--warn, .alert-warn, .alert-warning { background: var(--warn-soft); border-color: #f2ddb4; color: #7d5310; }
.alert--danger, .alert-danger { background: var(--danger-soft); border-color: #f3c7c7; color: #96201f; }
.alert--info, .alert-info { background: var(--info-soft); border-color: #c4dcf0; color: #14527f; }

/* ==========================================================================
   11. Forms & Filters
   ========================================================================== */

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); gap: 12px 14px; }
.form-grid--wide { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 12.4px; font-weight: 700; color: var(--ink-2); display: flex; align-items: center; gap: 5px; }
.field label .req { color: var(--danger); }
.field .hint { font-size: 11.4px; color: var(--muted); }
.field input, .field select, .field textarea, .input, .select, .input-sm {
    font-family: inherit;
    font-size: 13.6px;
    color: var(--ink);
    padding: 8px 10px;
    border: 1px solid var(--border-2);
    border-radius: var(--r-sm);
    background: var(--surface);
    width: 100%;
}
.field textarea { min-height: 84px; resize: vertical; line-height: 1.6; }
.field input:focus, .field select:focus, .field textarea:focus, .input:focus, .select:focus, .input-sm:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px var(--brand-soft);
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
    align-items: flex-end;
}

.filter-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 150px;
}

.filter-field label {
    font-size: 12px;
    color: var(--muted);
    font-weight: 600;
}

/* ==========================================================================
   12. Tabs & Pagination
   ========================================================================== */

.tabs {
    display: flex;
    gap: 2px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.tabs a, .tab-link {
    padding: 9px 14px;
    font-size: 13.4px;
    font-weight: 700;
    color: var(--muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    text-decoration: none;
}

.tabs a:hover, .tab-link:hover {
    color: var(--ink);
    text-decoration: none;
}

.tabs a.is-active, .tabs a.active, .tab-link.active {
    color: var(--brand-2);
    border-bottom-color: var(--brand);
}

.pagination-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 16px;
    border-top: 1px solid var(--border);
    background: var(--surface-2);
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
}

.pagination-links {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.page-link {
    padding: 4px 10px;
    border-radius: var(--r-sm);
    border: 1px solid var(--border-2);
    background: var(--surface);
    color: var(--ink-2);
    font-size: 12.4px;
    text-decoration: none;
}

.page-link.active {
    background: var(--brand);
    color: #ffffff;
    border-color: var(--brand);
}

.page-link.disabled {
    color: var(--muted-2);
    background: var(--bg-alt);
}

/* ==========================================================================
   13. Modals & Dialogs
   ========================================================================== */

dialog.modal {
    border: 0;
    border-radius: var(--r-lg);
    padding: 0;
    box-shadow: 0 24px 80px -18px rgba(15, 42, 53, 0.55);
    width: min(720px, 94vw);
    max-height: 92vh;
    background: var(--surface);
    color: var(--ink);
    z-index: 100000;
    position: relative;
}

dialog.modal::backdrop {
    background: rgba(15, 42, 53, 0.42);
    backdrop-filter: blur(3px);
    z-index: 99999;
}

dialog.modal .card__head {
    position: sticky;
    top: 0;
    background: var(--surface);
    z-index: 2;
    border-radius: var(--r-lg) var(--r-lg) 0 0;
}

dialog.modal .card__foot {
    position: sticky;
    bottom: 0;
    background: var(--surface-2);
    border-radius: 0 0 var(--r-lg) var(--r-lg);
}

/* ==========================================================================
   14. Auth Shell (Login)
   ========================================================================== */

.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--bg);
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow);
    padding: 28px;
}

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

.form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--ink-2);
}

.tenant-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 14px;
}

.tenant-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    color: var(--ink);
    background: var(--surface-2);
    text-decoration: none;
    transition: background 0.12s, border-color 0.12s;
}

.tenant-option:hover {
    border-color: var(--brand);
    background: var(--brand-soft);
    text-decoration: none;
}

/* ==========================================================================
   15. Responsive & Print
   ========================================================================== */

@media print {
    .sidebar, .topbar, .toolbar, .no-print { display: none !important; }
    .content { padding: 0; }
    .card { box-shadow: none; border-color: #ccc; }
}

@media (max-width: 900px) {
    .workspace {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-inline-end: none;
        border-bottom: 1px solid var(--border);
    }

    .two-col {
        grid-template-columns: 1fr;
    }

    .grid--4, .kpi-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .kpi__value, .kpi-value {
        font-size: 21px;
    }

    .toolbar {
        position: sticky;
        top: 59px;
        z-index: 30;
    }

    dialog.modal {
        width: 96vw !important;
        max-height: 88vh;
    }
}