:root {
    /* ===== باليتة تيل طبي احترافية ===== */
    --nav-bg: #0f766e;
    --nav-bg-dark: #134e4a;
    --nav-bg-hover: #115e59;
    --nav-active: #14b8a6;
    --nav-text: #d5e8e5;
    --nav-text-active: #ffffff;
    --brand: #0d9488;
    --brand-dark: #0f766e;
    --brand-glow: rgba(20, 184, 166, .35);
    --content-bg: #f1f5f9;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --sidebar-w: 260px;
    --topbar-h: 60px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Cairo', 'Segoe UI', Tahoma, sans-serif;
    background: var(--content-bg);
    color: var(--text);
    font-size: 15px;
}

/* ===== App Shell ===== */
.app-shell { display: flex; min-height: 100vh; }

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-w);
    background: linear-gradient(180deg, var(--nav-bg) 0%, var(--nav-bg-dark) 100%);
    color: var(--nav-text);
    position: fixed;
    top: 0; right: 0; bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 1040;
    transition: transform .25s ease;
    overflow-y: auto;
}
.sidebar-brand {
    height: var(--topbar-h);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 18px;
    font-weight: 700;
    font-size: 1.05rem;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,.08);
    flex-shrink: 0;
}
.sidebar-brand i { font-size: 1.4rem; color: var(--nav-active); }
.sidebar-brand .btn-close-menu {
    margin-inline-start: auto;
    background: none; border: none; color: #94a3b8;
    font-size: 1.4rem; cursor: pointer; display: none;
}
.sidebar-nav { padding: 10px 0; }

.nav-tree { list-style: none; margin: 0; padding: 0; }
.nav-section-btn {
    width: 100%;
    background: none; border: none;
    color: var(--nav-text);
    display: flex; align-items: center; gap: 10px;
    padding: 13px 18px;
    font-size: .95rem; cursor: pointer;
    text-align: right;
    font-family: inherit;
}
.nav-section-btn:hover { background: var(--nav-bg-hover); color: #fff; }
.nav-section-btn .chev { margin-inline-start: auto; transition: transform .2s; font-size: .75rem; }
.nav-section.open .nav-section-btn .chev { transform: rotate(180deg); }

.nav-sub {
    list-style: none; margin: 0; padding: 0;
    max-height: 0; overflow: hidden;
    transition: max-height .25s ease;
}
.nav-section.open .nav-sub { max-height: 600px; }

.nav-sub .nav-link {
    display: flex; align-items: center; gap: 10px;
    padding: 11px 42px;
    color: var(--nav-text);
    font-size: .9rem;
    text-decoration: none;
}
.nav-sub .nav-link:hover { background: var(--nav-bg-hover); color: #fff; }
.nav-sub .nav-link.active {
    background: var(--nav-active); color: #fff;
    border-right: 3px solid #fff;
}

/* ===== Main ===== */
.main-wrap {
    flex: 1;
    margin-right: var(--sidebar-w);
    display: flex;
    flex-direction: column;
    min-width: 0;
    transition: margin .25s ease;
}
.topbar {
    height: var(--topbar-h);
    background: #fff;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 14px;
    padding: 0 18px;
    position: sticky; top: 0; z-index: 1030;
}
.topbar-title { font-weight: 600; font-size: 1.05rem; }
.topbar-user { margin-inline-start: auto; }
.btn-toggle {
    background: none; border: none;
    font-size: 1.5rem; cursor: pointer; color: var(--text);
    display: inline-flex; align-items: center;
    padding: 4px 8px; border-radius: 8px;
}
.btn-toggle:hover { background: var(--content-bg); }
.btn-user {
    background: none; border: none; cursor: pointer;
    display: flex; align-items: center; gap: 8px;
    color: var(--text); font-size: .95rem; font-family: inherit;
}
.btn-user i.bi-person-circle { font-size: 1.4rem; color: var(--brand); }

.content { padding: 22px; flex: 1; }

/* ===== Sidebar collapsed (desktop) ===== */
.app-shell.collapsed .sidebar { transform: translateX(100%); }
.app-shell.collapsed .main-wrap { margin-right: 0; }

/* ===== Cards / Tables ===== */
.card { border: 1px solid var(--border); border-radius: 12px; }
.card-header {
    background: #fff; border-bottom: 1px solid var(--border);
    font-weight: 600; border-radius: 12px 12px 0 0 !important;
    display: flex; align-items: center; justify-content: space-between;
}
.table thead th { background: #f8fafc; font-weight: 600; font-size: .9rem; }
.page-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 18px; flex-wrap: wrap; gap: 10px;
}
.page-header h1 { font-size: 1.4rem; margin: 0; }

/* فواصل واضحة بين الأعمدة والصفوف لكل الجداول */
.table-responsive .table { border-collapse: collapse; }
.table-responsive .table th,
.table-responsive .table td { border: 1px solid var(--border) !important; }
.table-responsive .table thead th { border-bottom: 2px solid #cbd5e1 !important; }

/* مصفوفة الصلاحيات */
.perm-table td, .perm-table th { text-align: center; vertical-align: middle; }
.perm-table td:first-child, .perm-table th:first-child { text-align: right; }
.perm-table input[type=checkbox] { width: 18px; height: 18px; cursor: pointer; }
.perm-parent { background: #f8fafc; font-weight: 700; }

/* Backdrop للموبايل */
.sidebar-backdrop {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 1035;
}
.sidebar-backdrop.show { display: block; }

/* ===== Responsive: Tablet & Phone ===== */
@media (max-width: 992px) {
    .main-wrap { margin-right: 0 !important; }
    .sidebar { transform: translateX(100%); width: 82%; max-width: 300px; }
    .sidebar.show { transform: translateX(0); box-shadow: -6px 0 24px rgba(0,0,0,.25); }
    .sidebar-brand .btn-close-menu { display: inline-flex; }
    /* بالموبايل زر السكر ما بيأثر على الـ collapsed */
    .app-shell.collapsed .sidebar { transform: translateX(100%); }
}

@media (max-width: 576px) {
    .content { padding: 14px; }
    .page-header h1 { font-size: 1.2rem; }
    .card-header { flex-wrap: wrap; gap: 6px; }
    .btn-user span { max-width: 90px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}

/* ===== Theme overrides (توحيد الألوان مع التيل) ===== */
.btn-primary {
    --bs-btn-bg: var(--brand);
    --bs-btn-border-color: var(--brand);
    --bs-btn-hover-bg: var(--brand-dark);
    --bs-btn-hover-border-color: var(--brand-dark);
    --bs-btn-active-bg: var(--brand-dark);
    --bs-btn-active-border-color: var(--brand-dark);
    --bs-btn-disabled-bg: var(--brand);
    --bs-btn-disabled-border-color: var(--brand);
}
.btn-outline-primary {
    --bs-btn-color: var(--brand);
    --bs-btn-border-color: var(--brand);
    --bs-btn-hover-bg: var(--brand);
    --bs-btn-hover-border-color: var(--brand);
    --bs-btn-active-bg: var(--brand);
    --bs-btn-active-border-color: var(--brand);
}
.text-primary { color: var(--brand) !important; }
.page-link { color: var(--brand); }
.page-item.active .page-link { background-color: var(--brand); border-color: var(--brand); }
.form-check-input:checked { background-color: var(--brand); border-color: var(--brand); }
.form-control:focus, .form-select:focus {
    border-color: var(--nav-active);
    box-shadow: 0 0 0 .2rem var(--brand-glow);
}

/* ===== Auth / Login ===== */
.auth-body { background: #0b3b38; }
.auth-page {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #0f766e 0%, #134e4a 55%, #0b3b38 100%);
    padding: 20px;
}
.auth-card {
    width: 100%; max-width: 880px;
    display: grid; grid-template-columns: 1fr 1fr;
    background: #fff; border-radius: 22px; overflow: hidden;
    box-shadow: 0 30px 70px rgba(0,0,0,.35);
}
.auth-aside {
    position: relative;
    background: linear-gradient(160deg, #0f766e 0%, #134e4a 100%);
    color: #e6fffb; padding: 46px 38px;
    display: flex; align-items: center; overflow: hidden;
}
.auth-aside-inner { position: relative; z-index: 2; }
.auth-logo-badge {
    width: 64px; height: 64px; border-radius: 18px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,.14);
    font-size: 2rem; color: #fff; margin-bottom: 18px;
    box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.auth-aside h1 { font-size: 1.5rem; font-weight: 800; margin: 0 0 6px; color: #fff; }
.auth-aside-inner > p { opacity: .85; margin: 0 0 22px; }
.auth-features { list-style: none; padding: 0; margin: 0; }
.auth-features li { display: flex; align-items: center; gap: 10px; padding: 7px 0; font-size: .92rem; opacity: .95; }
.auth-features li i { color: #5eead4; }
.auth-aside-glow {
    position: absolute; width: 260px; height: 260px; border-radius: 50%;
    background: radial-gradient(circle, rgba(94,234,212,.35) 0%, transparent 70%);
    bottom: -80px; left: -60px; z-index: 1;
}
.auth-form { padding: 44px 40px; display: flex; flex-direction: column; }
.auth-form-head { margin-bottom: 22px; }
.auth-form-head h2 { font-size: 1.4rem; font-weight: 700; margin: 0 0 4px; }
.auth-form-head p { color: #64748b; font-size: .9rem; margin: 0; }
.auth-form .input-group-text { background: #f8fafc; color: var(--brand); }
.auth-footer { margin-top: auto; padding-top: 22px; text-align: center; color: #94a3b8; font-size: .78rem; }
.d-none-empty:empty { display: none !important; }

.btn-brand {
    background: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
    border: none; color: #fff; font-weight: 600;
    box-shadow: 0 8px 20px var(--brand-glow);
    transition: transform .12s ease, box-shadow .2s ease;
}
.btn-brand:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 10px 26px var(--brand-glow); }
.btn-brand:active { transform: translateY(0); }

/* ===== قوائم اختيار قابلة للتمرير (الأدوار / العيادات) ===== */
.checklist-scroll {
    max-height: 240px;
    overflow-y: auto;
    padding-inline-end: 6px;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    background: #fbfdfe;
}

/* ===== أزرار إجراءات المريض (شاشة الزيارة) ===== */
.patient-actions .btn-action {
    padding: .5rem 1.15rem;
    font-weight: 600;
    font-size: .95rem;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 3px 10px rgba(15, 118, 110, .12);
}
.patient-actions .btn-action i { font-size: 1.15rem; }
.patient-actions .btn-action:hover { transform: translateY(-1px); }

@media (max-width: 768px) {
    .auth-card { grid-template-columns: 1fr; max-width: 440px; }
    .auth-aside { padding: 28px; }
    .auth-features { display: none; }
    .auth-aside h1 { font-size: 1.25rem; }
    .auth-form { padding: 34px 26px; }
}

/* ===== Print ===== */
@media print {
    .no-print, .sidebar, .topbar, .btn-toggle, .sidebar-backdrop { display: none !important; }
    .main-wrap { margin: 0 !important; }
    .content { padding: 0 !important; }
}