/* ============================================================
   منصة المحاضرات - التصميم الأساسي (أسود + ذهبي)
   خط: القاهرة | RTL | متجاوب
   ============================================================ */

:root {
	--bg: #08080c;
	--bg-soft: #0d0d13;
	--surface: #13131b;
	--card: #171722;
	--card-hover: #1d1d2a;
	--border: #272734;
	--gold: #d4af37;
	--gold-light: #f0cf6f;
	--gold-dark: #a8842a;
	--text: #f4f4f7;
	--muted: #9d9dad;
	--danger: #e5484d;
	--success: #3ecf8e;
	--radius: 14px;
	--shadow: 0 10px 30px rgba(0, 0, 0, .45);
	--font: "Cairo", "Segoe UI", Tahoma, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
	font-family: var(--font);
	background: var(--bg);
	color: var(--text);
	line-height: 1.7;
	font-size: 16px;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

a { color: var(--gold); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--gold-light); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { width: 100%; max-width: 1280px; margin-inline: auto; padding-inline: 20px; }
.section-pad { padding-block: 44px; }

::selection { background: var(--gold); color: #000; }

/* ---------- أزرار ---------- */
.lpc-btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 8px;
	background: linear-gradient(135deg, var(--gold), var(--gold-dark));
	color: #000 !important; font-weight: 700; font-size: 15px;
	padding: 11px 24px; border-radius: 999px; border: none; cursor: pointer;
	transition: transform .15s ease, box-shadow .2s ease, filter .2s ease;
	box-shadow: 0 6px 20px rgba(212, 175, 55, .25);
}
.lpc-btn:hover { transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 10px 26px rgba(212, 175, 55, .35); }
.lpc-btn.big { padding: 14px 30px; font-size: 16px; }
.lpc-btn.ghost {
	background: transparent; color: var(--gold) !important;
	border: 1.5px solid var(--gold); box-shadow: none;
}
.lpc-btn.ghost:hover { background: rgba(212, 175, 55, .1); }
.lpc-btn.w-full { width: 100%; }
.login-btn { padding: 9px 20px; font-size: 14px; }

/* زر التلكرام في الهيدر */
.tg-ico {
	display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
	background: var(--surface); border: 1px solid var(--border); color: var(--muted);
	transition: .2s ease;
}
.tg-ico:hover { color: #229ed9; border-color: #229ed9; background: rgba(34, 158, 217, .1); }

/* ---------- ترويسة ---------- */
.site-header {
	position: sticky; top: 0; z-index: 100;
	background: rgba(10, 10, 15, .92);
	-webkit-backdrop-filter: blur(12px);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 18px; height: 68px; }

.header-right { display: flex; align-items: center; gap: 12px; }

.site-logo { display: inline-flex; align-items: center; gap: 10px; }
.logo-mark {
	width: 42px; height: 42px; border-radius: 12px;
	background: linear-gradient(135deg, var(--gold), var(--gold-dark));
	color: #000; font-weight: 900; font-size: 22px;
	display: grid; place-items: center; box-shadow: 0 4px 14px rgba(212, 175, 55, .35);
}
.logo-text { font-weight: 800; font-size: 20px; color: var(--text); white-space: nowrap; }

.main-nav { margin-inline-start: auto; }
.main-nav ul { display: flex; gap: 4px; }
.main-nav .menu-item > a {
	display: block; padding: 9px 16px; border-radius: 10px;
	color: var(--muted); font-weight: 600; font-size: 15px;
}
.main-nav .menu-item > a:hover { color: var(--text); background: var(--surface); }
.main-nav .current-menu-item > a { color: var(--gold); background: rgba(212, 175, 55, .08); }

.header-left { display: flex; align-items: center; gap: 14px; margin-inline-start: auto; }

.sub-pill {
	display: inline-flex; flex-direction: column; align-items: flex-start; gap: 1px;
	font-size: 13px; font-weight: 700; padding: 5px 14px; border-radius: 12px;
	background: var(--surface); border: 1px solid var(--border); line-height: 1.25;
}
.sub-top { display: inline-flex; align-items: center; gap: 7px; }
.sub-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.sub-pill.on .sub-dot { background: var(--success); box-shadow: 0 0 10px var(--success); }
.sub-pill.off .sub-dot { background: var(--danger); box-shadow: 0 0 10px var(--danger); }
.sub-pill.on { color: var(--success); }
.sub-pill.off { color: var(--danger); }
.sub-detail { font-size: 11px; font-weight: 600; color: var(--muted); white-space: nowrap; }

.user-menu { position: relative; }
.user-btn {
	display: flex; align-items: center; gap: 9px; cursor: pointer;
	background: var(--surface); border: 1px solid var(--border); border-radius: 999px;
	padding: 5px 14px 5px 8px; color: var(--text); font-family: var(--font);
}
.user-avatar {
	width: 34px; height: 34px; border-radius: 50%; background: var(--gold); color: #000;
	font-weight: 800; display: grid; place-items: center; font-size: 16px;
}
.user-name { font-weight: 700; font-size: 14px; }
.user-caret {
	width: 0; height: 0; border-left: 5px solid transparent; border-right: 5px solid transparent;
	border-top: 6px solid var(--muted); transition: transform .2s;
}
.user-menu.open .user-caret { transform: rotate(180deg); }

.user-dropdown {
	position: absolute; top: calc(100% + 10px); inset-inline-start: 0; min-width: 190px;
	background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
	padding: 8px; box-shadow: var(--shadow); display: none; z-index: 50;
}
.user-menu.open .user-dropdown { display: block; }
.user-dropdown a { display: block; padding: 10px 14px; border-radius: 8px; color: var(--text); font-weight: 600; font-size: 14px; }
.user-dropdown a:hover { background: rgba(212, 175, 55, .1); color: var(--gold); }

/* زر القائمة (جوال) */
.nav-toggle {
	display: none; flex-direction: column; gap: 5px; cursor: pointer;
	background: transparent; border: none; padding: 8px;
}
.nav-toggle span { width: 24px; height: 2.5px; background: var(--text); border-radius: 2px; transition: .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* لوحة القائمة للجوال (تنزل تحت الترويسة دون تحريك الشاشة) */
.mobile-nav {
	position: fixed; top: 68px; left: 0; right: 0; z-index: 110;
	max-height: calc(100vh - 68px); overflow-y: auto;
	background: var(--bg-soft); border-bottom: 1px solid var(--border);
	box-shadow: var(--shadow); padding: 12px 20px 24px;
	transform: translateY(-10px); opacity: 0; visibility: hidden; transition: .28s ease;
}
.mobile-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
.mobile-nav ul li a {
	display: block; padding: 14px 10px; border-bottom: 1px solid var(--border);
	color: var(--text); font-weight: 700; font-size: 16px;
}
.mobile-nav ul li:last-child a { border-bottom: none; }
.mobile-nav ul li a:hover { color: var(--gold); }
.mobile-nav .current-menu-item a { color: var(--gold); }
.mobile-nav .lpc-btn { margin-top: 16px; width: 100%; }

.nav-overlay {
	position: fixed; top: 68px; left: 0; right: 0; bottom: 0;
	background: rgba(0, 0, 0, .65); z-index: 105;
	opacity: 0; visibility: hidden; transition: .28s;
}
.nav-overlay.show { opacity: 1; visibility: visible; }

/* ---------- الهيرو ---------- */
.hero {
	position: relative; overflow: hidden;
	background: radial-gradient(1100px 500px at 80% -10%, rgba(212, 175, 55, .18), transparent 60%),
	            radial-gradient(900px 480px at 10% 110%, rgba(212, 175, 55, .1), transparent 55%),
	            var(--bg);
	border-bottom: 1px solid var(--border);
}
.hero-inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; padding-block: 64px; }
.hero-text h1 {
	font-size: clamp(30px, 5vw, 52px); font-weight: 900; line-height: 1.3;
	background: linear-gradient(120deg, var(--gold-light), var(--gold));
	-webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-text p { color: var(--muted); font-size: 18px; margin-top: 14px; max-width: 520px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

.hero-card {
	position: relative; background: var(--surface); border: 1px solid var(--border);
	border-radius: 22px; padding: 34px; box-shadow: var(--shadow);
}
.hero-play {
	width: 86px; height: 60px; background: linear-gradient(135deg, var(--gold), var(--gold-dark));
	border-radius: 14px; position: relative; display: block; margin-inline: auto;
	box-shadow: 0 10px 34px rgba(212, 175, 55, .45);
}
.hero-play::after {
	content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-42%, -50%);
	border-top: 12px solid transparent; border-bottom: 12px solid transparent;
	border-inline-start: 20px solid #000;
}
.hero-lines { margin-top: 26px; display: flex; flex-direction: column; gap: 10px; }
.hero-lines span { height: 10px; border-radius: 6px; background: var(--border); display: block; }
.hero-lines .hl1 { width: 85%; }
.hero-lines .hl2 { width: 65%; }
.hero-lines .hl3 { width: 45%; }

/* ---------- شريط التنبيه للمعاينة ---------- */
.lpc-banner {
	display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
	margin-block: 28px; padding: 16px 22px; border-radius: var(--radius);
	background: linear-gradient(135deg, rgba(212, 175, 55, .16), rgba(212, 175, 55, .05));
	border: 1px solid rgba(212, 175, 55, .4);
}
.lpc-banner strong { color: var(--gold-light); font-size: 16px; display: block; }
.lpc-banner span { color: var(--muted); font-size: 14px; }
.lpc-banner-actions { display: flex; gap: 10px; }
.lpc-banner-actions .lpc-btn { padding: 9px 20px; font-size: 14px; }

/* ---------- التصفح: رئيسي (بدون شريط جانبي) ---------- */
.browse-inner { padding-block: 44px; }
.browse-inner .main-area { min-width: 0; }

.sidebar { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 18px; }
.side-box {
	background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
	padding: 20px; overflow: hidden;
}
.side-box h3 {
	font-size: 15px; font-weight: 800; color: var(--gold); margin-bottom: 12px;
	padding-bottom: 10px; border-bottom: 1px solid var(--border);
}
.side-box ul li a {
	display: flex; align-items: center; justify-content: space-between; gap: 8px;
	padding: 9px 6px; color: var(--text); font-weight: 600; font-size: 14px;
	border-radius: 8px;
}
.side-box ul li a:hover { background: rgba(212, 175, 55, .08); color: var(--gold); }
.side-box ul li a .side-arrow { color: var(--gold); opacity: 0; transform: translateX(6px); transition: .2s; }
.side-box ul li a:hover .side-arrow { opacity: 1; transform: translateX(0); }
.side-empty { color: var(--muted); font-size: 13px; }

.main-area { min-width: 0; }

/* شرائح التصفية */
.lpc-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chip {
	padding: 8px 18px; border-radius: 999px; border: 1px solid var(--border);
	background: var(--surface); color: var(--muted); font-size: 14px; font-weight: 600;
	transition: .2s;
}
.chip:hover { border-color: var(--gold); color: var(--gold); }
.chip.active { background: linear-gradient(135deg, var(--gold), var(--gold-dark)); color: #000; border-color: transparent; }

.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.section-head h2 { font-size: 22px; font-weight: 800; }
.section-head .see-all { color: var(--gold); font-weight: 700; font-size: 14px; }

/* ---------- شبكة الفيديوهات ---------- */
.vid-grid {
	display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 22px;
}
.vid-card {
	background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
	overflow: hidden; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.vid-card:hover { transform: translateY(-4px); border-color: var(--gold); box-shadow: var(--shadow); }

.vid-card.compact { overflow: hidden; }
.vid-card.compact:hover { transform: none; }
.compact-main {
	display: flex; align-items: center; gap: 14px; padding: 14px 16px;
	color: var(--text); text-decoration: none;
}
.compact-play {
	width: 46px; height: 46px; border-radius: 50%; flex-shrink: 0; position: relative;
	background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
	box-shadow: 0 4px 14px rgba(212, 175, 55, .3);
	transition: transform .2s ease;
}
.compact-play::after {
	content: ""; position: absolute; top: 50%; left: 50%;
	transform: translate(-42%, -50%);
	border-top: 8px solid transparent; border-bottom: 8px solid transparent;
	border-inline-start: 13px solid #0b0b10;
}
.vid-card.compact:hover .compact-play { transform: scale(1.08); }
.compact-info { min-width: 0; flex: 1; }
.compact-title { display: block; font-weight: 700; font-size: 15px; line-height: 1.45; }
.vid-card.compact:hover .compact-title { color: var(--gold); }
.compact-meta { display: block; color: var(--muted); font-size: 12.5px; font-weight: 600; margin-top: 4px; }
.compact-arrow { color: var(--gold); font-weight: 800; font-size: 16px; flex-shrink: 0; }

.vid-thumb {
	position: relative; display: block; aspect-ratio: 16 / 9;
	background-color: var(--bg-soft); background-size: cover; background-position: center;
}
.vid-thumb-fallback {
	position: absolute; inset: 0; display: grid; place-items: center;
	background: linear-gradient(135deg, #1c1c2a, #101018);
	font-size: 34px; font-weight: 800; color: rgba(212, 175, 55, .5);
}
.vid-dur {
	position: absolute; bottom: 10px; inset-inline-end: 10px;
	background: rgba(0, 0, 0, .85); color: #fff; font-size: 12px; font-weight: 700;
	padding: 3px 8px; border-radius: 6px;
}
.vid-year {
	position: absolute; top: 10px; inset-inline-start: 10px;
	background: var(--gold); color: #000; font-size: 11px; font-weight: 800;
	padding: 3px 9px; border-radius: 6px;
}
.vid-lock {
	position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: 8px;
	background: linear-gradient(160deg, rgba(0, 0, 0, .55), rgba(8, 8, 12, .82));
	font-weight: 800; font-size: 14px; color: var(--gold-light); opacity: 0;
	transition: opacity .25s;
}
.vid-card:hover .vid-lock { opacity: 1; }
.vid-card.is-locked .vid-lock { opacity: 1; }

.lock-ico {
	width: 18px; height: 14px; background: var(--gold-light); border-radius: 3px; position: relative; display: inline-block;
}
.lock-ico::before {
	content: ""; position: absolute; top: -8px; left: 50%; transform: translateX(-50%);
	width: 11px; height: 11px; border: 2.5px solid var(--gold-light); border-bottom: none;
	border-radius: 7px 7px 0 0;
}

.vid-meta { display: flex; gap: 12px; padding: 12px 14px 14px; align-items: flex-start; }
.vid-avatar { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.vid-avatar-txt {
	display: grid; place-items: center; background: var(--surface); border: 1px solid var(--gold);
	color: var(--gold); font-weight: 800; font-size: 16px;
}
.vid-info { min-width: 0; }
.vid-title { font-size: 14.5px; font-weight: 700; line-height: 1.45; }
.vid-title a { color: var(--text); }
.vid-title a:hover { color: var(--gold); }
.vid-sub { color: var(--muted); font-size: 12.5px; margin-top: 4px; }
.vid-sub .dot { margin-inline: 4px; }

/* ---------- شبكة تصنيفات (سنة/فصل) ---------- */
.term-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 20px; }
.term-card {
	display: flex; flex-direction: column; gap: 8px;
	background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
	padding: 24px; color: var(--text); transition: .22s ease;
}
.term-card:hover { transform: translateY(-4px); border-color: var(--gold); box-shadow: var(--shadow); }
.term-ico { font-size: 34px; }
.term-name { font-size: 18px; font-weight: 800; }
.term-count { color: var(--muted); font-size: 13px; }
.term-go { color: var(--gold); font-weight: 700; font-size: 14px; margin-top: 6px; }

/* ---------- بطاقات السنوات (الصفحة الرئيسية) ---------- */
.year-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 22px; }
.year-card {
	position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
	background: linear-gradient(150deg, var(--card), var(--surface));
	border: 1px solid var(--border); border-radius: 18px; padding: 30px 26px; color: var(--text);
	overflow: hidden; transition: .22s ease;
}
.year-card::before {
	content: ""; position: absolute; inset-inline-end: -40px; top: -40px; width: 130px; height: 130px; border-radius: 50%;
	background: radial-gradient(circle, rgba(212, 175, 55, .18), transparent 70%);
}
.year-card:hover { transform: translateY(-4px); border-color: var(--gold); box-shadow: var(--shadow); }
.year-big {
	font-size: 46px; font-weight: 900; line-height: 1.1;
	background: linear-gradient(120deg, var(--gold-light), var(--gold));
	-webkit-background-clip: text; background-clip: text; color: transparent;
}
.year-label { color: var(--muted); font-size: 14px; font-weight: 600; }
.year-count { color: var(--gold); font-weight: 800; font-size: 13px; background: rgba(212, 175, 55, .1); padding: 4px 12px; border-radius: 999px; margin-top: 8px; }
.year-go { color: var(--muted); font-weight: 700; font-size: 13.5px; margin-top: 8px; }
.year-card:hover .year-go { color: var(--gold); }

/* ---------- مجموعات المدرسين حسب المادة ---------- */
.subject-group { margin-bottom: 40px; }
.subject-group .section-head { border-bottom: 1px solid var(--border); padding-bottom: 10px; }
.subject-group .section-head h2 { font-size: 20px; }
.subject-group .teacher-grid { margin-top: 4px; }

/* ---------- بطاقات المدرسين ---------- */
.teacher-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.teacher-card {
	display: flex; gap: 14px; align-items: flex-start;
	background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
	padding: 18px; color: var(--text); transition: .22s ease;
}
.teacher-card:hover { transform: translateY(-4px); border-color: var(--gold); box-shadow: var(--shadow); }
.teacher-photo { width: 58px; height: 58px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.teacher-avatar {
	display: grid; place-items: center; background: linear-gradient(135deg, var(--gold), var(--gold-dark));
	color: #000; font-weight: 800; font-size: 24px;
}
.teacher-photo.big { width: 92px; height: 92px; font-size: 34px; }
.teacher-body h3 { font-size: 16px; font-weight: 800; }
.teacher-body p { color: var(--muted); font-size: 13px; margin-top: 4px; }
.teacher-count { display: inline-block; margin-top: 8px; font-size: 12px; font-weight: 700; color: var(--gold); background: rgba(212, 175, 55, .1); padding: 3px 10px; border-radius: 999px; }
.teacher-count.big { font-size: 13px; }

.teacher-profile { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.teacher-profile-body h1 { font-size: clamp(24px, 4vw, 36px); font-weight: 900; }
.teacher-profile-body .lead { color: var(--muted); margin-top: 6px; max-width: 620px; }

/* ---------- رأس الصفحات + المسار ---------- */
.page-head {
	background: linear-gradient(180deg, var(--bg-soft), transparent);
	border-bottom: 1px solid var(--border); padding-block: 30px;
}
.page-head h1 { font-size: clamp(24px, 4vw, 36px); font-weight: 900; margin-top: 10px; }
.page-head .lead { color: var(--muted); margin-top: 6px; max-width: 680px; }
.page-head .lpc-chips { margin-top: 18px; margin-bottom: 0; }

.lpc-crumbs { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--muted); }
.lpc-crumbs .item a { color: var(--muted); }
.lpc-crumbs .item a:hover { color: var(--gold); }
.lpc-crumbs .item.current { color: var(--gold); font-weight: 700; }
.lpc-crumbs .sep { color: var(--border); }

/* ---------- صفحات عامة ---------- */
.lpt-page { padding-block: 44px; max-width: 860px; }
.lpt-title { font-size: 30px; font-weight: 900; margin-bottom: 18px; }
.lpt-content p { margin-block: 14px; color: #d8d8e0; }
.lpt-content h2, .lpt-content h3 { color: var(--gold-light); margin-top: 22px; }

/* ---------- صفحة المشاهدة ---------- */
.lpt-episode { padding-block: 30px; }
.episode-layout { display: grid; grid-template-columns: 1fr 300px; gap: 30px; align-items: start; margin-top: 18px; }
.episode-main { min-width: 0; }

.player-wrap { background: #000; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.server-tabs { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px; background: var(--bg-soft); border-bottom: 1px solid var(--border); }
.server-tab {
	padding: 8px 18px; border-radius: 999px; border: 1px solid var(--border);
	background: var(--surface); color: var(--muted); font-family: var(--font);
	font-weight: 700; font-size: 13.5px; cursor: pointer; transition: .2s;
}
.server-tab:hover { border-color: var(--gold); color: var(--gold); }
.server-tab.active { background: linear-gradient(135deg, var(--gold), var(--gold-dark)); color: #000; border-color: transparent; }

.server-pane { display: none; }
.server-pane.active { display: block; }
.lpc-player { width: 100%; aspect-ratio: 16 / 9; border: 0; display: block; background: #000; }
.player-empty { padding: 60px 20px; text-align: center; color: var(--muted); }

.episode-info { margin-top: 20px; }
.episode-title { font-size: clamp(20px, 3vw, 26px); font-weight: 900; line-height: 1.4; }
.episode-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.meta-chip {
	display: inline-flex; align-items: center; gap: 5px;
	background: var(--surface); border: 1px solid var(--border); border-radius: 999px;
	padding: 5px 14px; font-size: 13px; font-weight: 600; color: var(--text);
}
a.meta-chip:hover { border-color: var(--gold); color: var(--gold); }
.episode-desc { margin-top: 20px; color: #d8d8e0; }
.episode-desc h3 { color: var(--gold-light); font-size: 17px; margin-bottom: 8px; }

/* قفل الحلقة */
.lock-box {
	background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
	overflow: hidden;
}
.lock-thumb { position: relative; aspect-ratio: 16 / 9; background-color: var(--bg-soft); background-size: cover; background-position: center; }
.lock-overlay {
	position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
	background: linear-gradient(160deg, rgba(0,0,0,.4), rgba(8,8,12,.85));
}
.lock-overlay .lock-ico { width: 40px; height: 32px; border-radius: 6px; }
.lock-overlay .lock-ico::before { width: 24px; height: 24px; border-width: 5px; top: -17px; border-radius: 12px 12px 0 0; }
.lock-body { padding: 28px; text-align: center; }
.lock-text { color: var(--muted); margin: 12px auto 20px; max-width: 520px; }
.lock-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }
.lock-note { color: var(--muted); font-size: 13.5px; margin-top: 16px; }

/* قائمة التشغيل الجانبية */
.playlist ul li { border-bottom: 1px solid var(--border); }
.playlist ul li:last-child { border-bottom: none; }
.pl-item { display: flex; gap: 10px; padding: 10px 4px; align-items: center; }
.pl-thumb { width: 66px; height: 40px; border-radius: 7px; background-size: cover; background-position: center; background-color: var(--bg-soft); flex-shrink: 0; position: relative; display: grid; place-items: center; }
.pl-play { color: #fff; font-size: 13px; text-shadow: 0 1px 4px rgba(0,0,0,.6); }
.pl-info { min-width: 0; display: flex; flex-direction: column; }
.pl-title { font-size: 13px; font-weight: 600; color: var(--text); line-height: 1.4; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.pl-item:hover .pl-title { color: var(--gold); }
.pl-dur { color: var(--muted); font-size: 11.5px; margin-top: 2px; }
.pl-item.current .pl-title { color: var(--gold); }

/* ---------- صفحة الاشتراك ---------- */
.sub-layout { display: grid; grid-template-columns: 1fr 320px; gap: 30px; align-items: start; }
.sub-main { min-width: 0; }

.lpc-sub-box {
	background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
	padding: 26px; margin-top: 18px;
}
.lpc-sub-status { display: flex; gap: 16px; align-items: flex-start; padding: 16px; border-radius: 12px; margin-bottom: 18px; }
.lpc-sub-status.ok { background: rgba(62, 207, 142, .1); border: 1px solid rgba(62, 207, 142, .35); }
.lpc-sub-status.off { background: rgba(229, 72, 77, .1); border: 1px solid rgba(229, 72, 77, .35); }
.lpc-sub-status-icon {
	width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0; font-size: 22px; font-weight: 900;
	display: grid; place-items: center;
}
.lpc-sub-status.ok .lpc-sub-status-icon { background: var(--success); color: #000; }
.lpc-sub-status.off .lpc-sub-status-icon { background: var(--danger); color: #fff; }
.lpc-sub-status h3 { font-size: 17px; margin-bottom: 4px; }
.lpc-sub-status p { color: var(--muted); font-size: 14px; }
.lpc-sub-status .muted { margin-top: 4px; }

.lpc-message { padding: 13px 16px; border-radius: 10px; margin-bottom: 16px; font-weight: 700; font-size: 14px; }
.lpc-message.success { background: rgba(62, 207, 142, .12); border: 1px solid rgba(62, 207, 142, .4); color: var(--success); }
.lpc-message.error { background: rgba(229, 72, 77, .12); border: 1px solid rgba(229, 72, 77, .4); color: #ff8a8e; }

.lpc-code-form { display: flex; gap: 12px; }
.lpc-code-form input {
	flex: 1; background: var(--bg); border: 1.5px solid var(--border); border-radius: 12px;
	color: var(--text); font-family: var(--font); font-size: 16px; font-weight: 700; letter-spacing: 2px;
	padding: 13px 18px; text-transform: uppercase; direction: ltr; text-align: center;
}
.lpc-code-form input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(212, 175, 55, .15); }
.lpc-code-form input::placeholder { text-transform: none; letter-spacing: 0; font-weight: 500; color: var(--muted); font-size: 14px; }

.steps { display: flex; flex-direction: column; gap: 14px; }
.steps li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: #d8d8e0; }
.step-num {
	width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
	background: linear-gradient(135deg, var(--gold), var(--gold-dark)); color: #000;
	font-weight: 800; font-size: 13px; display: grid; place-items: center; margin-top: 2px;
}
.benefits li { position: relative; padding: 7px 0; padding-inline-start: 26px; font-size: 14px; color: #d8d8e0; }
.benefits li::before {
	content: "✓"; position: absolute; inset-inline-start: 0; top: 7px;
	width: 18px; height: 18px; border-radius: 50%; background: rgba(62, 207, 142, .2); color: var(--success);
	font-size: 11px; font-weight: 900; display: grid; place-items: center;
}
.side-box.gold { border-color: rgba(212, 175, 55, .45); background: linear-gradient(180deg, rgba(212,175,55,.1), transparent); }

/* ---------- الحساب ---------- */
.lpc-account { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.lpc-account-head { display: flex; gap: 16px; align-items: center; padding-bottom: 20px; border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.lpc-avatar-big {
	width: 64px; height: 64px; border-radius: 50%; background: linear-gradient(135deg, var(--gold), var(--gold-dark));
	color: #000; font-weight: 900; font-size: 28px; display: grid; place-items: center;
}
.lpc-account-head h2 { font-size: 22px; font-weight: 800; }
.lpc-account-head .muted { color: var(--muted); font-size: 14px; }
.lpc-account-row { display: flex; justify-content: space-between; align-items: center; padding: 14px 4px; border-bottom: 1px solid var(--border); font-size: 15px; }
.lpc-account-row:last-child { border-bottom: none; }
.lpc-account-row span:first-child { color: var(--muted); }
.lpc-pill { padding: 4px 16px; border-radius: 999px; font-weight: 800; font-size: 13px; }
.lpc-pill.on { background: rgba(62, 207, 142, .15); color: var(--success); }
.lpc-pill.off { background: rgba(229, 72, 77, .15); color: #ff8a8e; }

.account-extra { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 24px; }

.lpc-note {
	background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
	padding: 18px; color: var(--muted); text-align: center; margin-top: 18px;
}

/* ---------- ترقيم الصفحات ---------- */
.lpt-pagination { margin-top: 34px; display: flex; justify-content: center; }
.lpt-pagination .page-numbers {
	display: inline-grid; place-items: center; min-width: 40px; height: 40px; padding-inline: 8px;
	margin-inline: 3px; border-radius: 10px; background: var(--surface); border: 1px solid var(--border);
	color: var(--muted); font-weight: 700;
}
.lpt-pagination .page-numbers.current { background: linear-gradient(135deg, var(--gold), var(--gold-dark)); color: #000; border-color: transparent; }
.lpt-pagination .page-numbers:hover { border-color: var(--gold); color: var(--gold); }

/* ---------- حالات فارغة ---------- */
.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius); }
.empty-ico { font-size: 44px; display: block; margin-bottom: 10px; }

/* ---------- الفوتر ---------- */
.site-footer { margin-top: 60px; background: var(--bg-soft); border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 30px; padding-block: 44px; }
.footer-desc { color: var(--muted); font-size: 14px; margin-top: 14px; max-width: 340px; }

/* زر قناة التلكرام في الفوتر */
.tg-btn {
	display: inline-flex; align-items: center; gap: 9px; margin-top: 14px;
	background: linear-gradient(135deg, #1c8fce, #0f5f92); color: #fff !important;
	padding: 11px 20px; border-radius: 999px; font-weight: 700; font-size: 14px;
	box-shadow: 0 6px 18px rgba(34, 158, 217, .3); transition: .2s ease;
}
.tg-btn:hover { transform: translateY(-2px); filter: brightness(1.1); box-shadow: 0 10px 24px rgba(34, 158, 217, .4); }
.tg-btn.w-full { width: 100%; justify-content: center; }
.footer-col h4 { color: var(--gold); font-size: 15px; margin-bottom: 14px; }
.footer-links li a, .footer-col .menu li a { display: block; padding: 6px 0; color: var(--muted); font-size: 14px; }
.footer-links li a:hover, .footer-col .menu li a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid var(--border); padding-block: 18px; }
.footer-bottom p { color: var(--muted); font-size: 13px; text-align: center; }

/* ============================================================
   التجاوب
   ============================================================ */
@media (max-width: 1024px) {
	.episode-layout { grid-template-columns: 1fr 260px; gap: 22px; }
	.sub-layout { grid-template-columns: 1fr 280px; gap: 24px; }
	.main-nav { display: none; }
	.nav-toggle { display: flex; }
	.header-left { margin-inline-start: auto; }
}

@media (max-width: 900px) {
	.hero-inner { grid-template-columns: 1fr; padding-block: 44px; }
	.hero-art { max-width: 420px; }
	.episode-layout { grid-template-columns: 1fr; }
	.sub-layout { grid-template-columns: 1fr; }
	.account-extra { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
	.user-name { display: none; }
	.sub-pill { padding: 4px 10px; }
	.sub-detail { display: none; }
	.hero-cta .lpc-btn { width: 100%; }
	.lpc-banner { flex-direction: column; align-items: flex-start; }
	.lpc-code-form { flex-direction: column; }
	.footer-grid { grid-template-columns: 1fr; gap: 22px; padding-block: 34px; }
	.vid-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
	.term-grid { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 14px; }
	.teacher-grid { grid-template-columns: 1fr; gap: 14px; }
	.year-grid { grid-template-columns: 1fr; gap: 14px; }
	.year-card { padding: 24px 22px; }
	.year-big { font-size: 38px; }
	.vid-title { font-size: 13px; }
	.vid-meta { padding: 10px 10px 12px; gap: 9px; }
	.vid-avatar { width: 32px; height: 32px; }
	.lock-body { padding: 20px 16px; }
	.server-tab { font-size: 12.5px; padding: 7px 14px; }
	.teacher-profile { gap: 14px; }
	.teacher-photo.big { width: 72px; height: 72px; font-size: 28px; }
	.lpc-crumbs { font-size: 12px; }
}

@media (max-width: 480px) {
	.hero-art { display: none; }
	.header-inner { height: 60px; gap: 8px; }
	.mobile-nav, .nav-overlay { top: 60px; }
	.mobile-nav { max-height: calc(100vh - 60px); }
	.tg-ico { display: none; }
	.logo-text { font-size: 17px; }
	.logo-mark { width: 36px; height: 36px; font-size: 18px; }
	.container { padding-inline: 14px; }
	.hero-inner { padding-block: 34px; }
	.hero-text h1 { font-size: 26px; }
	.hero-text p { font-size: 15px; }
	.section-head h2 { font-size: 18px; }
	.page-head { padding-block: 22px; }
	.section-pad { padding-block: 30px; }
}