/**
 * مكتبة ليبيا الطيبة — Design System v2 "المخطوطة"
 *
 * لغة بصريّة: ورق العاج + حبر بحري + أحمر هندي + فواصل ذهبيّة
 * إيقاع: 380ms (إيقاع تقليب الصفحة التقليدي)
 * خطوط: Amiri (display/headings + quotes), Cairo (body), Aref Ruqaa (ornaments)
 */

:root {
    /* === Font stacks === */
    --font-display: 'Amiri', 'Aref Ruqaa', 'Cairo', serif;
    --font-heading: 'Amiri', 'Aref Ruqaa', 'Cairo', serif;
    --font-body:    'Cairo', system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-quote:   'Amiri', 'Aref Ruqaa', serif;
    --font-script:  'Aref Ruqaa', 'Amiri', serif;

    /* === الألوان الأساسيّة === */
    /* Light — ورق العاج */
    --parchment-100: #FAF6EE;       /* الخلفيّة الرئيسيّة */
    --parchment-200: #F4ECD9;       /* البطاقات */
    --parchment-300: #E8D9B5;       /* الحدود */
    --parchment-400: #D4B888;

    /* حبر بحري */
    --ink-900: #0F1B2D;             /* النصّ الأساسي */
    --ink-700: #2A3B57;
    --ink-500: #4A5878;
    --ink-300: #8B96AB;

    /* أحمر هندي (لمسة لونيّة واحدة) */
    --indian-red: #B1373F;          /* لون وحيد للتوكيد */
    --indian-red-soft: rgba(177,55,63,.08);

    /* ذهب الفواصل */
    --gold-line: #B89968;
    --gold-soft: rgba(184,153,104,.15);
    --gold-glow: #D4AF37;

    /* أخضر الواحة (استخدام محدود) */
    --oasis-green: #4A6B3A;
    --oasis-green-soft: rgba(74,107,58,.10);

    /* === الدلالات الدلاليّة === */
    --bg: var(--parchment-100);
    --bg-elevated: #FFFEFA;
    --bg-subtle: var(--parchment-200);
    --bg-accent: var(--gold-soft);

    --text: var(--ink-900);
    --text-muted: var(--ink-500);
    --text-soft: var(--ink-300);

    --border: var(--parchment-300);
    --border-strong: var(--parchment-400);
    --border-accent: var(--gold-line);

    --accent: var(--indian-red);
    --accent-soft: var(--indian-red-soft);

    --success: var(--oasis-green);
    --success-soft: var(--oasis-green-soft);

    /* === التدرّجات === */
    --grad-page: linear-gradient(180deg, #FFFEFA 0%, var(--parchment-100) 50%, var(--parchment-200) 100%);
    --grad-gold-line: linear-gradient(90deg, transparent 0%, var(--gold-line) 50%, transparent 100%);
    --grad-ink: linear-gradient(135deg, var(--ink-900) 0%, var(--ink-700) 100%);
    --grad-arch: linear-gradient(180deg, var(--bg-elevated) 0%, var(--parchment-200) 100%);

    /* === الظلال === */
    --shadow-sm: 0 1px 2px rgba(15,27,45,.04), 0 1px 1px rgba(15,27,45,.06);
    --shadow-md: 0 4px 12px rgba(15,27,45,.06), 0 2px 4px rgba(15,27,45,.04);
    --shadow-lg: 0 12px 32px rgba(15,27,45,.08), 0 6px 12px rgba(15,27,45,.05);
    --shadow-xl: 0 24px 60px rgba(15,27,45,.10), 0 12px 24px rgba(15,27,45,.06);
    --shadow-ink: 0 2px 8px rgba(15,27,45,.12);
    --shadow-gold: 0 0 24px rgba(212,175,55,.20);

    /* === الأصول التصميميّة === */
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 999px;

    --space-1: .25rem;
    --space-2: .5rem;
    --space-3: .75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4rem;

    --max-width: 1280px;
    --header-height: 76px;

    /* === الحركة — إيقاع المخطوطة === */
    --ease-paper: cubic-bezier(.25, .8, .25, 1);
    --ease-out-quart: cubic-bezier(.25, 1, .5, 1);
    --ease-in-out-cubic: cubic-bezier(.65, 0, .35, 1);

    --transition-instant: 120ms var(--ease-paper);
    --transition-quick: 180ms var(--ease-paper);
    --transition: 280ms var(--ease-paper);
    --transition-slow: 380ms var(--ease-paper);          /* إيقاع تقليب الصفحة */
    --transition-deliberate: 600ms var(--ease-paper);

    /* === الأنماط التراثيّة === */
    --pattern-paper: radial-gradient(ellipse at top left, rgba(184,153,104,.03), transparent 50%),
                     radial-gradient(ellipse at bottom right, rgba(74,107,58,.02), transparent 50%);
    --pattern-mosque: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' viewBox='0 0 40 40'%3E%3Cpath fill='%23B89968' fill-opacity='.04' d='M20 0L40 20 20 40 0 20z'/%3E%3C/svg%3E");

    /* === أحجام الخطوط المريحة للقراءة (Mobile-first) === */
    --fs-base: 1.125rem;       /* 18px على معظم المتصفحات */
    --fs-body: 1.1rem;          /* 17.6px — للفقرات */
    --fs-small: 0.95rem;
    --fs-large: 1.25rem;
    --line-height-base: 1.85;
    --line-height-tight: 1.4;
}

/* === الوضع الليلي — ليل الصحراء === */
[data-theme="dark"] {
    --parchment-100: #0E1626;       /* ليل بحري */
    --parchment-200: #161F35;
    --parchment-300: #243149;
    --parchment-400: #34425A;

    --ink-900: #F4EBD4;             /* حبر أبيض العاج */
    --ink-700: #C5BAA0;
    --ink-500: #8E866F;
    --ink-300: #5C5747;

    --indian-red: #D85258;
    --gold-line: #C9A66B;

    --bg: var(--parchment-100);
    --bg-elevated: var(--parchment-200);
    --bg-subtle: var(--parchment-300);

    --text: var(--ink-900);
    --text-muted: var(--ink-500);
    --border: var(--parchment-300);

    --grad-page: linear-gradient(180deg, var(--parchment-200) 0%, var(--parchment-100) 100%);
    --grad-arch: linear-gradient(180deg, var(--parchment-300) 0%, var(--parchment-200) 100%);

    --shadow-sm: 0 1px 3px rgba(0,0,0,.40);
    --shadow-md: 0 4px 12px rgba(0,0,0,.45);
    --shadow-lg: 0 12px 32px rgba(0,0,0,.50);
    --shadow-xl: 0 24px 60px rgba(0,0,0,.55);
    --shadow-gold: 0 0 32px rgba(212,175,55,.30);
}

/* === التصميم الأساسي === */
*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
    font-size: 18px;               /* مرتفع من 16px لتحسين قراءة الرقعة */
}

@media (max-width: 480px) {
    html { font-size: 17px; }      /* لا يزال مريحاً على الشاشات الصغيرة */
    :root {
        --fs-base: 1.05rem;
        --fs-body: 1.05rem;
        --line-height-base: 1.95;
    }
}

@media (min-width: 1200px) {
    html { font-size: 19px; }      /* أكثر راحة على سطح المكتب */
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: var(--fs-base);
    line-height: var(--line-height-base);
    letter-spacing: 0.01em;
    color: var(--text);
    background: var(--bg);
    background-image: var(--pattern-paper);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background var(--transition-slow), color var(--transition);
    overflow-x: hidden;
}

/* ============================================================
   === ✦ Amiri/Cairo typography stack ✦ ===
   ============================================================
   Cairo for body text, Amiri for headings and the library name,
   Amiri italic for quotes, Aref Ruqaa reserved for ornaments.
*/
body, button, input, textarea, select,
p, li, span, div, a {
    font-family: var(--font-body);
    font-weight: 400;
}

h1, h2, h3, h4, h5,
.hero-wordmark, .library-name, .section-title, .section-title h2,
.card-title, .book-title, .compass-label, .cp-label {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 0.02em;
}

.compass-quote, .cp-quote, .library-tagline, blockquote {
    font-family: var(--font-quote);
    font-style: italic;
}

/* ============================================================
   === ✦ أحجام عناوين مريحة للقراءة على جميع الأجهزة ✦ ===
   ============================================================ */
h1, .library-name, .hero-wordmark {
    font-size: clamp(2.2rem, 6vw, 4.5rem) !important;
    line-height: 1.15;
    letter-spacing: 0.02em;
}
h2, .section-title h2 {
    font-size: clamp(1.65rem, 4vw, 2.6rem) !important;
    line-height: 1.25;
}
h3, .card-title, .book-title, .compass-label {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem) !important;
    line-height: 1.4;
}
h4 { font-size: clamp(1.05rem, 2vw, 1.25rem) !important; }
h5 { font-size: 1.05rem !important; }

/* فقرات وأسطح القراءة — أكبر وبتباعد أسطر أكثر */
p, li, .book-description, .review-text, .post-body, .compass-quote {
    font-size: var(--fs-body);
    line-height: var(--line-height-base);
}
.book-description, .review-text, .post-body {
    font-size: 1.15rem;
    line-height: 1.95;
}

/* بطاقات البوصلة — تسميات أكبر */
.compass-point { padding: 18px 16px !important; min-width: 155px; }
.cp-icon { font-size: 1.8em !important; }
.cp-label { font-size: 1.15rem !important; }
.cp-quote { font-size: 0.92rem !important; line-height: 1.6; }
.compass-question { font-size: 1.5rem !important; line-height: 1.4; }
.library-tagline { font-size: clamp(1.05rem, 2.2vw, 1.35rem) !important; }

/* أزرار — أهداف لمس أكبر */
button, .btn, input, select, textarea {
    font-size: 1.05rem !important;
    font-family: var(--font-body);
}
button, .btn, a.btn, input[type="submit"], input[type="button"] {
    min-height: 44px;    /* الهدف الموصى به على iOS */
    padding: 0.7rem 1.2rem !important;
    border-radius: 12px;
}
input[type="text"], input[type="search"], input[type="email"], input[type="password"], textarea {
    min-height: 48px;
    padding: 0.8rem 1.1rem !important;
    font-size: 1.1rem !important;
}

/* روابط التنقّل — مقروءة على الجوّال */
.snc-nav-link, .community-nav-link, .profile-nav-link, .login-nav-btn, .admin-nav-link {
    font-size: 1rem !important;
    padding: 0.65rem 1.2rem !important;
    min-height: 44px;
}

/* الإحصائيات — أرقام كبيرة فخورة */
.stat-item b { font-size: clamp(2.5rem, 6vw, 3.5rem) !important; }
.stat-item span { font-size: 1.1rem !important; }

/* بطاقات الكتب — عناوين مقروءة */
.book-card-title, .book-spine-title { font-size: 1.15rem !important; line-height: 1.4; }
.book-card-author, .book-spine-author { font-size: 0.98rem !important; }

/* التذييل */
footer p { font-size: 1.1rem !important; }

/* تكبير النصوص الطويلة لتحسين القراءة بخط الرقعة (يحافظ على القاعدة الأصليّة) */
.book-description, .review-text, .post-body {
    font-size: 1.15rem;
    line-height: 1.95;
}

h1,
h2,
h3,
.section-title,
.section-title h2,
.section-title h3,
.card-title,
.book-title,
.book-spine-title,
.category-name,
.category-tile-name,
.nav-brand,
.modal-title,
.taybaa-modal-title,
.hero h1,
.hero h2,
.hero-title,
.hero-wordmark,
.hero-tagline,
.ent-track h3,
.featured-entrepreneurship h2,
.snc-dash-title,
.snc-panel-title,
.snc-reflect-title,
.journey-title,
.pf-name,
.pf-guest-title,
.pf-stat-val,
.logo-title {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.005em;
}

/* وزن أخف (400) للعناوين الأصغر والبطاقات */
h3,
.card-title,
.book-title,
.book-spine-title,
.category-name,
.category-tile-name,
.ent-track h3,
.journey-title,
.snc-panel-title {
    font-weight: 400;
}

/* (Legacy Tajawal/Cairo body override removed — Aref Ruqaa is now applied
   site-wide via the !important block above per user directive.) */

/* === فئات الخط العربي === */
.font-display { font-family: var(--font-display); }
.font-heading { font-family: var(--font-heading); }
.font-body    { font-family: var(--font-body); }
.font-quote   { font-family: var(--font-quote); font-style: italic; }
.font-script  { font-family: var(--font-script); }
.font-amiri   { font-family: 'Amiri', serif; }
.font-kufi    { font-family: 'Reem Kufi', 'Aref Ruqaa', sans-serif; }
.font-ruqaa   { font-family: 'Aref Ruqaa', serif; }
.font-cairo   { font-family: 'Cairo', system-ui, sans-serif; }
.font-aref    { font-family: 'Aref Ruqaa', serif; }

.text-display {
    font-family: 'Aref Ruqaa', 'Reem Kufi', sans-serif;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.15;
}
.text-display-1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
.text-display-2 { font-size: clamp(2rem, 4.5vw, 3.5rem); }

.text-heading {
    font-family: 'Aref Ruqaa', 'Reem Kufi', sans-serif;
    font-weight: 700;
    line-height: 1.25;
    color: var(--text);
}
.text-h1 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
.text-h2 { font-size: clamp(1.4rem, 2.5vw, 1.85rem); }
.text-h3 { font-size: 1.2rem; font-weight: 400; }

.text-body { font-size: 1rem; line-height: 1.75; }
.text-lead { font-size: 1.15rem; line-height: 1.7; color: var(--text-muted); }
.text-small { font-size: .875rem; }
.text-tiny { font-size: .75rem; letter-spacing: 0.05em; text-transform: uppercase; }

.text-amiri-quote {
    font-family: 'Amiri', serif;
    font-style: italic;
    font-size: 1.4rem;
    line-height: 1.7;
    color: var(--text);
}

/* === الحاوي === */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--space-5);
}

@media (min-width: 768px) {
    .container { padding-inline: var(--space-6); }
}

/* === فواصل ذهبيّة — تحليّة المخطوطات === */
.gold-divider {
    height: 1px;
    background: var(--grad-gold-line);
    margin-block: var(--space-6);
    width: 100%;
}

.gold-divider-ornate {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-block: var(--space-7);
    color: var(--gold-line);
}
.gold-divider-ornate::before,
.gold-divider-ornate::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--grad-gold-line);
}
.gold-divider-ornate-symbol {
    font-family: 'Aref Ruqaa', serif;
    font-size: 1.2rem;
    color: var(--gold-line);
}

/* === البطاقات الفاخرة === */
.card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-5);
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-accent);
}

.card-elegant {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.card-elegant::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--grad-gold-line);
}

.card-featured {
    background: var(--bg-elevated);
    border: 1px solid var(--gold-line);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-gold);
    background-image: var(--pattern-mosque);
    background-size: 40px 40px;
}

/* === الأزرار === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-family: 'Aref Ruqaa', 'Amiri', serif;
    font-size: .95rem;
    font-weight: 600;
    color: var(--text);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    border-color: var(--gold-line);
    background: var(--bg-subtle);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: var(--ink-900);
    color: var(--parchment-100);
    border-color: var(--ink-900);
}
.btn-primary:hover {
    background: var(--ink-700);
    color: var(--parchment-100);
    border-color: var(--ink-700);
}

.btn-accent {
    background: var(--indian-red);
    color: white;
    border-color: var(--indian-red);
}
.btn-accent:hover {
    background: #9D2D34;
    border-color: #9D2D34;
    color: white;
}

.btn-ghost {
    background: transparent;
    border-color: transparent;
}
.btn-ghost:hover {
    background: var(--bg-subtle);
    border-color: var(--border);
}

.btn-lg { padding: var(--space-4) var(--space-6); font-size: 1.05rem; }
.btn-sm { padding: var(--space-2) var(--space-4); font-size: .875rem; }

/* === الشارات === */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: .75rem;
    font-weight: 600;
    background: var(--bg-subtle);
    color: var(--text-muted);
    border-radius: var(--radius-full);
    font-family: 'Aref Ruqaa', 'Amiri', serif;
}

.badge-gold {
    background: var(--gold-soft);
    color: var(--gold-glow);
    border: 1px solid var(--gold-line);
}

.badge-accent {
    background: var(--indian-red-soft);
    color: var(--indian-red);
}

.badge-success {
    background: var(--success-soft);
    color: var(--success);
}

/* === الإدخالات === */
.input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: 'Aref Ruqaa', 'Amiri', serif;
    font-size: 1rem;
    color: var(--text);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-quick);
}

.input:focus {
    outline: none;
    border-color: var(--gold-line);
    box-shadow: 0 0 0 3px var(--gold-soft);
}

.input-search {
    background: var(--bg-elevated);
    border-radius: var(--radius-full);
    padding-inline: var(--space-5);
    box-shadow: var(--shadow-sm);
}

/* === التأثيرات === */
@keyframes fade-up {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes float-gentle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes pulse-gold {
    0%, 100% { box-shadow: 0 0 0 0 rgba(212,175,55,.4); }
    50% { box-shadow: 0 0 0 8px rgba(212,175,55,0); }
}

@keyframes shimmer-gold {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-in {
    animation: fade-up var(--transition-slow) var(--ease-paper) both;
}

.animate-delay-1 { animation-delay: 80ms; }
.animate-delay-2 { animation-delay: 160ms; }
.animate-delay-3 { animation-delay: 240ms; }
.animate-delay-4 { animation-delay: 320ms; }

/* === العناوين الفاخرة === */
.section-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}
.section-title h2 {
    font-family: 'Aref Ruqaa', 'Amiri', serif;
    font-size: clamp(1.4rem, 2.5vw, 1.85rem);
    font-weight: 700;
    margin: 0;
    color: var(--text);
}
.section-title .gold-mark {
    color: var(--gold-line);
    font-size: 1.5rem;
}
.section-title .section-subtitle {
    margin: var(--space-1) 0 0;
    color: var(--text-muted);
    font-size: .95rem;
    font-weight: 500;
    font-family: 'Aref Ruqaa', 'Amiri', serif;
}

/* ============================================================
   === شارة المسؤول والتحكم بالكتب (Admin badges) ===
   ============================================================ */
.admin-hide-btn {
    position: absolute;
    top: .5rem;
    left: .5rem;
    z-index: 6;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid rgba(177,55,63,.5);
    background: rgba(255,255,255,.92);
    color: #B1373F;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: all 200ms ease;
    padding: 0;
    font-family: inherit;
}
.admin-hide-btn:hover {
    background: #B1373F;
    color: #fff;
    border-color: #B1373F;
    transform: scale(1.1);
}
.book-card-admin-hidden,
.book-spine-admin-hidden {
    position: relative;
    opacity: .45;
}
.book-card-admin-hidden::after,
.book-spine-admin-hidden::after {
    content: 'محذوف';
    position: absolute;
    top: 8px;
    right: 8px;
    background: #B1373F;
    color: #fff;
    font-family: 'Aref Ruqaa', serif;
    font-size: .7rem;
    padding: .15rem .55rem;
    border-radius: 999px;
    z-index: 5;
    pointer-events: none;
}
.admin-fade-out {
    animation: admin-fade-out 380ms cubic-bezier(.25, .8, .25, 1) forwards;
}
@keyframes admin-fade-out {
    to { opacity: 0; transform: scale(.92); }
}

/* === دعم prefers-reduced-motion === */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================================
   === ✦ Mobile-first responsive utilities (TASK 7) ✦ ===
   ============================================================
   This block is appended after all earlier rules so it wins
   the cascade for `.container` padding and adds tap-target,
   overflow safety, and small-viewport polish.
*/

/* ─── Mobile-first container ─── */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 2.5rem);
}

/* ─── Touch-friendly minimum tap target ─── */
a, button, .btn, [role="button"] {
    min-height: 44px;
    min-width: 44px;
}

/* ─── Sticky headers should not break on small viewports ─── */
@media (max-width: 480px) {
    header .container {
        gap: 0.5rem !important;
        flex-wrap: wrap;
    }
    header input.input-search {
        order: 99;
        width: 100% !important;
        max-width: 100% !important;
        margin-top: 0.5rem;
    }
}

/* ─── Prevent horizontal overflow ─── */
html, body {
    max-width: 100vw;
    overflow-x: hidden;
}

/* ─── Image safety ─── */
img { max-width: 100%; height: auto; }

/* ─── Code blocks readable ─── */
code, pre {
    font-family: 'Courier New', monospace !important;
    font-size: 0.95em !important;
    background: rgba(184, 153, 104, 0.08);
    padding: 0.2em 0.4em;
    border-radius: 4px;
}

/* ============================================================
   === ✦ Nav-responsive + PWA safe-area (TASK 8) ✦ ===
   ============================================================
   Appended LAST so these rules win the cascade for the header
   without disturbing existing typography. Solves three issues:
     1. Nav overflowing on tablet (480-900px) — collapse to icons.
     2. Nav unreadable on mobile (< 480px) — wrap + shrink + icons.
     3. PWA: respect iOS notch + bottom home-indicator safe areas.
*/

/* ─── Header improvements for tablet (480-900px) ─── */
@media (max-width: 900px) {
    header .container {
        gap: 0.5rem !important;
        padding-left: 0.75rem;
        padding-right: 0.75rem;
        flex-wrap: nowrap;
    }
    header .input-search {
        max-width: 200px !important;
        font-size: 0.9rem !important;
        min-height: 40px !important;
    }
    /* Hide nav-link labels, show only icons */
    .snc-nav-link-label,
    .community-nav-label,
    .profile-nav-label,
    .admin-nav-label,
    .login-nav-btn span {
        display: none !important;
    }
    .snc-nav-link,
    .community-nav-link,
    .profile-nav-link,
    .admin-nav-link,
    .login-nav-btn {
        padding: 0.5rem 0.75rem !important;
        min-width: 44px;
        justify-content: center;
    }
    /* Fallback icon for plain text login button without a child span */
    .login-nav-btn::before {
        content: '🔐';
        font-size: 1.1rem;
    }
}

/* ─── Mobile (< 480px) — wrap + shrink hard ─── */
@media (max-width: 480px) {
    header .container {
        flex-wrap: wrap !important;
        gap: 0.4rem !important;
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    /* Library name smaller on phones */
    header > .container > a:first-child > div > div:first-child {
        font-size: 0.95rem !important;
    }
    /* Hide "TAYBAA · TRIPOLI" tagline on the very narrow viewports */
    header > .container > a:first-child > div > div:nth-child(2) {
        display: none;
    }
    /* Push search bar onto its own line, full width */
    header .input-search {
        order: 99;
        width: 100% !important;
        max-width: 100% !important;
        margin-top: 0.4rem;
        min-height: 38px !important;
    }
    /* Smaller nav icons */
    .snc-nav-link,
    .community-nav-link,
    .profile-nav-link,
    .admin-nav-link,
    .login-nav-btn,
    header .btn-ghost {
        padding: 0.4rem 0.55rem !important;
        font-size: 1rem !important;
        min-height: 40px !important;
        min-width: 40px !important;
    }
}

/* ─── PWA / safe-area awareness ───────────────────────────── */

/* Reserve space for iOS home-indicator when launched as fullscreen/standalone */
@media all and (display-mode: fullscreen),
       all and (display-mode: standalone),
       all and (display-mode: minimal-ui) {
    body {
        padding-bottom: env(safe-area-inset-bottom, 0);
    }
}

/* Push header below the notch on iPhones */
@supports (padding-top: env(safe-area-inset-top)) {
    header {
        padding-top: max(1rem, env(safe-area-inset-top)) !important;
    }
}

/* ============================================================
   === ✦ Two-row navigation (Marcus Arch redesign) ✦ ===
   ============================================================
   From commit 95c3c42 — two-row nav with prominent logo / Mushaf
   pill / login on row 1, and search + nav links + theme toggle on
   row 2. */

:root {
    --nav-row1-h: 72px;
    --nav-row2-h: 48px;
    --grad-title: linear-gradient(120deg, #d4af37 0%, #f5d76e 45%, #d4af37 100%);
    --grad-gold-btn: linear-gradient(135deg, #b8941f 0%, #d4af37 50%, #f5d76e 100%);
    --grad-green-pill: linear-gradient(135deg, #2a3d1a 0%, #3d5a26 50%, #5a7a3a 100%);
    --gold-300-strong: #d4af37;
    --gold-400-strong: #b8941f;
    --green-300-soft: #5a7a3a;
    --red-libya-strong: #ce1126;
    --ink-800-warm: #2a1810;
}

.site-header {
    position: sticky; top: 4px; z-index: 50;
    backdrop-filter: blur(18px) saturate(180%);
    -webkit-backdrop-filter: blur(18px) saturate(180%);
    background: color-mix(in srgb, var(--bg-elevated) 90%, transparent);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition), border-color var(--transition);
}

.nav-row {
    display: flex; align-items: center;
    gap: 1rem; flex-wrap: nowrap;
    padding-inline: 1.25rem;
    max-width: var(--max-width);
    margin-inline: auto;
}
.nav-row-1 {
    height: var(--nav-row1-h);
    border-bottom: 1px solid var(--border);
}
.nav-row-2 {
    height: var(--nav-row2-h);
    gap: .55rem;
    overflow-x: auto;
    scrollbar-width: thin;
    -ms-overflow-style: none;
}
.nav-row-2::-webkit-scrollbar { height: 4px; }
.nav-row-2::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.logo {
    display: inline-flex; align-items: center; gap: .85rem;
    color: var(--text) !important;
    flex-shrink: 0;
    text-decoration: none;
}
.logo:hover { color: var(--text) !important; }
.logo-mark {
    display: grid; place-items: center;
    width: 52px; height: 52px; border-radius: 12px;
    background: linear-gradient(180deg, #fbf3dc 0%, #f5e6c8 50%, #d4b888 100%);
    box-shadow: 0 4px 14px rgba(107,68,35,.35), inset 0 0 0 1px rgba(255,255,255,.4);
    transition: transform var(--transition);
    position: relative; cursor: pointer; user-select: none;
    flex-shrink: 0;
}
.logo-mark svg { width: 44px; height: 44px; }
.logo:hover .logo-mark { transform: rotate(-4deg) scale(1.05); }

.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-title {
    font-family: var(--font-script) !important;
    font-weight: 700;
    font-size: 1.55rem !important;
    background: var(--grad-title);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    letter-spacing: -.005em;
}
.logo-tag {
    font-size: .65rem; color: var(--text-soft);
    letter-spacing: .22em; font-weight: 700;
    font-family: var(--font-body);
}

.nav-spacer { flex: 1; }

.mushaf-pill {
    display: inline-flex; align-items: center; gap: .45rem;
    padding: .5rem 1.05rem;
    border-radius: var(--radius-full);
    background: var(--grad-green-pill);
    color: #f5e6c8 !important;
    font-family: var(--font-display);
    font-weight: 700; font-size: 1rem;
    border: 1px solid rgba(245,215,110,.35);
    box-shadow: 0 4px 14px rgba(61,90,38,.35), inset 0 0 0 1px rgba(255,255,255,.08);
    transition: all var(--transition);
    flex-shrink: 0;
    text-decoration: none;
}
.mushaf-pill:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(61,90,38,.5), inset 0 0 0 1px rgba(255,255,255,.18);
    color: #fff !important;
}
.mushaf-pill svg { width: 18px; height: 18px; }

.login-btn {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .55rem 1.05rem;
    border-radius: var(--radius-full);
    background: var(--grad-gold-btn);
    color: var(--ink-800-warm);
    font-family: inherit;
    font-weight: 700; font-size: .92rem;
    border: 0;
    box-shadow: 0 4px 14px rgba(184,148,31,.35);
    transition: all var(--transition);
    cursor: pointer;
    flex-shrink: 0;
    text-decoration: none;
}
.login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(184,148,31,.5);
    color: #000;
}

.search-box {
    flex: 1; min-width: 200px; max-width: 480px;
    display: flex; align-items: center; gap: .5rem;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    padding: .35rem .9rem;
    transition: all var(--transition);
    height: 34px;
}
.search-box:focus-within {
    border-color: var(--gold-400-strong); background: var(--bg-elevated);
    box-shadow: 0 0 0 3px rgba(184,148,31,.12);
}
.search-icon { color: var(--text-soft); flex-shrink: 0; }
.search-box input {
    flex: 1; min-width: 0; border: 0; outline: 0; background: transparent;
    font-family: inherit; font-size: .88rem; color: var(--text); padding: .15rem 0;
}
.search-box input::placeholder { color: var(--text-soft); }
.search-kbd {
    font-family: inherit; font-size: .68rem; padding: .1rem .4rem;
    border: 1px solid var(--border); border-radius: 6px;
    color: var(--text-muted); background: var(--bg-elevated);
}

.nav-row .nav-link {
    display: inline-flex; align-items: center; gap: .35rem;
    padding: .35rem .75rem; border-radius: 8px;
    color: var(--text) !important;
    font-size: .85rem; font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
    height: 32px;
}
.nav-row .nav-link:hover {
    background: rgba(184,148,31,.12);
    color: var(--gold-400-strong) !important;
}
.nav-row .nav-link.is-admin {
    color: var(--red-libya-strong) !important;
    border: 1px dashed rgba(206,17,38,.4);
}
.nav-row .nav-link.is-admin:hover { background: rgba(206,17,38,.1); }
.nav-row .nav-link svg { width: 16px; height: 16px; }

.theme-toggle {
    width: 34px; height: 34px; border-radius: 8px;
    border: 1px solid var(--border); background: var(--bg-subtle);
    color: var(--text); display: grid; place-items: center;
    transition: all var(--transition);
    flex-shrink: 0;
    cursor: pointer;
}
.theme-toggle:hover {
    border-color: var(--gold-400-strong); background: rgba(184,148,31,.12);
    color: var(--gold-400-strong);
}
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

.vip-badge {
    display: inline-flex; align-items: center; gap: .25rem;
    padding: .25rem .55rem; border-radius: 999px;
    background: linear-gradient(135deg, var(--green-300-soft), var(--gold-400-strong));
    color: #fff; font-size: .7rem; font-weight: 700;
    box-shadow: var(--shadow-gold);
    flex-shrink: 0;
}

.profile-wrap { position: relative; flex-shrink: 0; }
.profile-btn {
    width: 44px; height: 44px; border-radius: 12px;
    border: 1px solid var(--border); background: var(--bg-subtle); color: var(--text);
    display: grid; place-items: center;
    transition: all var(--transition); cursor: pointer;
}
.profile-btn:hover {
    border-color: var(--gold-400-strong); background: rgba(184,148,31,.12);
    color: var(--gold-400-strong); transform: translateY(-1px);
}
.profile-menu {
    position: absolute; top: calc(100% + .65rem); left: 0;
    min-width: 300px; max-width: 360px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: 16px;
    box-shadow: 0 25px 60px rgba(0,0,0,.4);
    overflow: hidden; z-index: 100;
    animation: profileFade .18s ease-out;
}
@keyframes profileFade { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

@media (max-width: 880px) {
    .nav-row-1 { gap: .6rem; padding-inline: .85rem; }
    .nav-row-2 { gap: .35rem; padding-inline: .85rem; }
    .logo-text { display: none; }
    .logo-mark { width: 44px; height: 44px; }
    .logo-mark svg { width: 36px; height: 36px; }
    .mushaf-pill { font-size: .9rem; padding: .4rem .8rem; }
    .login-btn { font-size: .82rem; padding: .45rem .85rem; }
    .nav-row .nav-link { font-size: .8rem; padding: .3rem .55rem; }
    .search-box { min-width: 140px; }
    .search-kbd { display: none; }
}
@media (max-width: 480px) {
    :root { --nav-row1-h: 60px; --nav-row2-h: 44px; }
    .logo-mark { width: 40px; height: 40px; }
    .logo-mark svg { width: 32px; height: 32px; }
}