:root {
    --moh-green:   #006a4e;
    --moh-green-2: #00876a;
    --moh-green-dk:#004d39;
    --moh-bg:      #f6f8f7;
    --moh-card:    #ffffff;
    --moh-text:    #1d2b27;
    --moh-muted:   #6c7a76;
    --moh-border:  #d9e3df;
    --moh-accent:  #c9a13a;
    --radius:      10px;
    --shadow:      0 2px 8px rgba(0, 0, 0, 0.05);
    --topbar-h:    62px;
    --sidebar-w:   280px;
}

* { box-sizing: border-box; }

html, body { height: 100%; margin: 0; }
body {
    font-family: 'Tajawal', 'Segoe UI', 'Arial', sans-serif;
    background: var(--moh-bg);
    color: var(--moh-text);
    line-height: 1.55;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ========== Top bar ========== */
.topbar {
    background: var(--moh-green);
    color: #fff;
    height: var(--topbar-h);
    box-shadow: var(--shadow);
    flex-shrink: 0;
}
.topbar-inner {
    height: 100%;
    padding: 0 24px;
    display: flex; justify-content: space-between; align-items: center;
}
.brand { color: #fff; text-decoration: none; display: flex; flex-direction: column; gap: 2px; }
.brand-mark { font-size: 22px; font-weight: 700; }
.brand-sub { font-size: 12px; opacity: 0.85; }

.topnav { display: flex; align-items: center; gap: 16px; }
.topnav a, .topnav .link-button {
    color: #fff; text-decoration: none; background: none; border: 0; cursor: pointer;
    font: inherit; padding: 6px 10px; border-radius: 6px;
}
.topnav a:hover, .topnav .link-button:hover { background: rgba(255,255,255,0.12); }
.inline-form { display: inline; }
.user-chip {
    background: rgba(255,255,255,0.15); padding: 4px 12px; border-radius: 999px; font-size: 13px;
}

/* ========== App shell with sidebar ========== */
.app-shell {
    flex: 1;
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    min-height: 0;     /* allow children to scroll */
}

.app-sidebar {
    background: #fff;
    border-inline-start: 1px solid var(--moh-border);   /* RTL-aware */
    height: calc(100vh - var(--topbar-h));
    overflow-y: auto;
    position: sticky;
    top: var(--topbar-h);
}

.app-main {
    background: var(--moh-bg);
    padding: 24px 28px 40px;
    min-width: 0;       /* allow iframe to shrink */
    overflow-x: hidden;
}

/* ========== Sidebar nav ========== */
.sidebar-nav { padding: 12px 10px 28px; }
.sidebar-section { margin-bottom: 12px; }

.sidebar-link, .sidebar-service {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px;
    color: var(--moh-text);
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    transition: background 0.12s;
}
.sidebar-link:hover, .sidebar-service:hover { background: #eef4f1; }

.sidebar-link-home { font-weight: 600; color: var(--moh-green); }
.sidebar-link.active, .sidebar-service.active {
    background: var(--moh-green);
    color: #fff;
}
.sidebar-link.active:hover, .sidebar-service.active:hover {
    background: var(--moh-green-dk);
}

.sidebar-icon { font-size: 16px; }
.sidebar-empty { padding: 12px 14px; color: var(--moh-muted); font-size: 13px; }

.sidebar-group {
    border-top: 1px solid var(--moh-border);
    margin-top: 6px;
    padding-top: 6px;
}
.sidebar-group:first-of-type { border-top: 0; padding-top: 0; margin-top: 0; }

.sidebar-group-title {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px;
    cursor: pointer;
    list-style: none;
    color: var(--moh-green-dk);
    font-weight: 600;
    font-size: 13px;
    user-select: none;
}
.sidebar-group-title::-webkit-details-marker { display: none; }
.sidebar-group-title::before {
    content: "▾";
    font-size: 10px;
    opacity: 0.6;
    transition: transform 0.15s;
}
.sidebar-group:not([open]) .sidebar-group-title::before { transform: rotate(-90deg); }

.sidebar-group-mark {
    display: inline-block;
    background: var(--moh-green);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 0.05em;
}
.sidebar-group-name { flex: 1; }
.sidebar-group-count {
    background: var(--moh-border);
    color: var(--moh-muted);
    padding: 1px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
}

.sidebar-services {
    list-style: none;
    padding: 0;
    margin: 2px 0 8px;
}
.sidebar-services .sidebar-service { padding-inline-start: 30px; }
.sidebar-service { display: flex; flex-direction: column; gap: 2px; padding-block: 8px; }
.sidebar-service-name { font-size: 13.5px; font-weight: 500; }
.sidebar-service-en  { font-size: 11px; opacity: 0.65; }
.sidebar-service.active .sidebar-service-en { opacity: 0.85; }

/* ========== Service iframe host ========== */
.service-frame-host {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--moh-border);
    overflow: hidden;
    /* Initial height before the embedded service reports its real height */
    min-height: 540px;
    position: relative;
}
#serviceFrame {
    display: block;
    width: 100%;
    height: 540px;       /* overridden by postMessage from the embedded service */
    border: 0;
    background: transparent;
    opacity: 0;
    transition: opacity 0.25s ease, height 0.18s ease;
}
#serviceFrame.loaded { opacity: 1; }

/* ----- Skeleton shown while the iframe is loading ----- */
.service-frame-skeleton {
    position: absolute;
    inset: 0;
    padding: 24px 28px;
    background: #fff;
    transition: opacity 0.25s ease;
    pointer-events: none;
}
.service-frame-skeleton.hidden { opacity: 0; visibility: hidden; }
.skel-line, .skel-block {
    background: linear-gradient(90deg, #eef2f1 0%, #f8faf9 50%, #eef2f1 100%);
    background-size: 200% 100%;
    animation: skel-shimmer 1.4s linear infinite;
    border-radius: 6px;
}
.skel-line  { height: 14px; margin: 10px 0; }
.skel-w-30  { width: 30%; }
.skel-w-50  { width: 50%; }
.skel-w-70  { width: 70%; }
.skel-block { height: 80px; margin: 18px 0; }
.skel-h-160 { height: 160px; }
.skel-row   { display: flex; gap: 16px; margin: 16px 0; }
.skel-row .skel-line { flex: 1; height: 38px; margin: 0; }
@keyframes skel-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.skel-spinner {
    position: absolute; top: 50%; left: 50%;
    width: 36px; height: 36px;
    transform: translate(-50%, -50%);
}
[dir="rtl"] .skel-spinner { transform: translate(50%, -50%); }
.skel-spinner > span {
    display: block;
    width: 100%; height: 100%;
    border: 3px solid #d9e3df;
    border-top-color: var(--moh-green);
    border-radius: 50%;
    animation: skel-spin 0.9s linear infinite;
}
@keyframes skel-spin { to { transform: rotate(360deg); } }

/* ----- Sidebar search ----- */
.sidebar-search-wrap {
    position: relative;
    margin: 6px 10px 10px;
}
.sidebar-search {
    width: 100%;
    padding: 8px 36px 8px 12px;
    border: 1px solid var(--moh-border);
    border-radius: 8px;
    background: #fafbfa;
    font: inherit;
    font-size: 13px;
    transition: border-color 0.15s, background 0.15s;
}
[dir="rtl"] .sidebar-search { padding: 8px 12px 8px 36px; }
.sidebar-search:focus {
    outline: none;
    border-color: var(--moh-green);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(0, 106, 78, .1);
}
.sidebar-search-icon {
    position: absolute;
    top: 50%; transform: translateY(-50%);
    inset-inline-end: 12px;
    opacity: 0.5;
    pointer-events: none;
    font-size: 14px;
}
.sidebar-no-results {
    padding: 18px 14px;
    text-align: center;
    color: var(--moh-muted);
    font-size: 13px;
    font-style: italic;
}

/* ========== Catalog (home) page ========== */
.main { padding: 28px 0 60px; }
.hero h1 { margin: 0 0 8px; font-size: 26px; color: var(--moh-green); }
.muted { color: var(--moh-muted); }
.empty-state { text-align: center; padding: 60px 0; color: var(--moh-muted); }

.search-bar { display: flex; gap: 8px; margin: 20px 0 28px; }
.search-bar input {
    flex: 1; padding: 10px 14px; border: 1px solid var(--moh-border);
    border-radius: var(--radius); background: #fff; font: inherit;
}

.entity-block { margin: 24px 0 36px; }
.entity-header { display: flex; align-items: baseline; gap: 12px; margin-bottom: 12px;
                 border-bottom: 2px solid var(--moh-green); padding-bottom: 8px; }
.entity-header h2 { margin: 0; color: var(--moh-green); font-size: 20px; }

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}
.service-card {
    background: var(--moh-card);
    border: 1px solid var(--moh-border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
    display: flex; flex-direction: column; gap: 10px;
    transition: transform 0.15s, box-shadow 0.15s;
}
.service-card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.08); }
.service-card h3 { margin: 0; font-size: 17px; color: var(--moh-green); }
.service-name-en { margin: 0; font-size: 12px; color: var(--moh-muted); }
.service-desc { margin: 0; font-size: 14px; color: var(--moh-text); }

.btn-primary, .btn-secondary {
    display: inline-block; padding: 9px 18px; border-radius: var(--radius);
    text-decoration: none; cursor: pointer; font: inherit; border: 0;
    align-self: flex-start;
}
.btn-primary  { background: var(--moh-green); color: #fff; }
.btn-primary:hover  { background: var(--moh-green-2); }
.btn-secondary { background: #fff; border: 1px solid var(--moh-green); color: var(--moh-green); }
.btn-secondary:hover { background: #f0f7f4; }

/* ========== Auth ========== */
.anon-main { flex: 1; padding: 28px 0 60px; }
.auth-card {
    max-width: 420px; margin: 30px auto;
    background: #fff; padding: 30px;
    border: 1px solid var(--moh-border); border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.auth-card h1 { margin-top: 0; color: var(--moh-green); }
.form-group { margin: 14px 0; display: flex; flex-direction: column; gap: 6px; }
.form-group.checkbox { flex-direction: row; align-items: center; }
.form-group input[type=text], .form-group input[type=password] {
    padding: 10px 12px; border: 1px solid var(--moh-border); border-radius: var(--radius);
    font: inherit; background: #fff;
}
.form-error, .field-error { color: #b3261e; font-size: 13px; }

/* Error card (shared with error/denied pages) */
.error-card {
    max-width: 520px; margin: 60px auto; text-align: center;
    background: #fff; padding: 36px; border-radius: var(--radius);
    border: 1px solid var(--moh-border); box-shadow: var(--shadow);
}

/* ========== Footer ========== */
.footer {
    padding: 14px 0; background: #fff;
    border-top: 1px solid var(--moh-border);
    color: var(--moh-muted); text-align: center;
    flex-shrink: 0;
}

/* ========== Responsive ========== */
@media (max-width: 900px) {
    :root { --sidebar-w: 0; }
    .app-shell { grid-template-columns: 1fr; }
    .app-sidebar {
        position: fixed;
        inset-inline-start: 0;
        top: var(--topbar-h);
        width: 280px;
        height: calc(100vh - var(--topbar-h));
        transform: translateX(-100%);   /* off-screen by default */
        transition: transform 0.2s;
        z-index: 50;
        box-shadow: 4px 0 16px rgba(0, 0, 0, 0.15);
    }
    [dir="rtl"] .app-sidebar { transform: translateX(100%); }
    .app-sidebar.open { transform: translateX(0); }
}