/* =====================================================================
   VCourse - Design System
   نکته: چون در محیط استقرار به npm/CDN دسترسی نداریم، این فایل به‌صورت
   دستی و بدون وابستگی به Tailwind یا هر ابزار Build نوشته شده تا کاملاً
   مستقل (self-contained) و سازگار با آپلود مستقیم روی هاست باشد.
   ===================================================================== */

/* فونت وزیرمتن از طریق CDN رسمی پروژه در <head> هر لایوت بارگذاری می‌شود
   (فایل @font-face محلی قبلی حذف شد چون هرگز فایل واقعی‌اش آپلود نشده بود
   و باعث می‌شد مرورگر بی‌صدا به فونت پیش‌فرض سیستم برگردد) */

:root {
  /* رنگ‌های پیش‌فرض برند (قابل تغییر از پنل تنظیمات) */
  --color-primary: #036EE7;
  --color-primary-dark: #0257b8;
  --color-secondary: #09C6F9;
  --color-text: #192129;
  --color-bg: #FFFFFF;
  --color-surface-1: #F3F9FF;
  --color-surface-2: #E7F1FC;
  --color-border: #C4CAD0;
  --color-success: #12B76A;
  --color-warning: #F79009;
  --color-danger: #E53935;

  --gradient-brand: linear-gradient(135deg, var(--color-primary), var(--color-secondary));

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(25, 33, 41, 0.08);
  --shadow-md: 0 8px 24px rgba(3, 110, 231, 0.12);
  --font-main: 'Vazirmatn', Tahoma, sans-serif;
}

[data-theme="dark"] {
  --color-text: #EAF1FB;
  --color-bg: #0F1720;
  --color-surface-1: #16212C;
  --color-surface-2: #1C2A38;
  --color-border: #2A3A4A;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  direction: rtl;
  text-align: right;
  transition: background .2s ease, color .2s ease;
  overflow-x: hidden;
  width: 100%;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.ltr { direction: ltr; text-align: left; unicode-bidi: isolate; }

/* Layout */
.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.section { padding: 48px 0; }
@media (max-width: 600px) {
  .container { padding: 0 14px; }
  .section { padding: 32px 0; }
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.site-header .bar {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 12px;
}
.site-header .logo { display: flex; align-items: center; gap: 10px; }
.site-header .logo img { height: 38px; }
.site-header .logo .site-title { font-weight: 700; font-size: 16px; white-space: nowrap; }
@media (max-width: 420px) {
  .site-header .logo .site-title { display: none; }
}
.nav-links { display: flex; gap: 28px; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-weight: 500; font-size: 15px; }
.nav-links a:hover { color: var(--color-primary); }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--color-text); }

@media (max-width: 860px) {
  .nav-links {
    position: fixed; top: 68px; bottom: 0; right: 0; width: 82%; max-width: 320px;
    background: var(--color-bg); flex-direction: column; align-items: flex-start;
    padding: 24px; box-shadow: var(--shadow-md); transform: translateX(100%);
    transition: transform .25s ease; overflow-y: auto; z-index: 60; gap: 6px;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a, .nav-links li { width: 100%; }
  .nav-links a { padding: 10px 4px; }
  .nav-toggle { display: block; }
}

.nav-backdrop {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 55;
}
.nav-backdrop.open { display: block; }

/* Hero Section (قابل مدیریت از پنل سوپرادمین) */
.hero-section {
  padding: 64px 0 76px; color: #fff; text-align: center; position: relative; overflow: hidden;
}
.hero-section .hero-inner { max-width: 640px; margin: 0 auto; position: relative; z-index: 2; }
.hero-section h1 { font-size: 34px; margin: 0 0 14px; line-height: 1.4; }
.hero-section p { font-size: 16px; opacity: .92; margin: 0 0 26px; line-height: 1.8; }
.hero-section .btn-primary { background: #fff; color: var(--color-primary); box-shadow: 0 8px 24px rgba(0,0,0,.15); }
@media (max-width: 600px) {
  .hero-section { padding: 44px 0 54px; }
  .hero-section h1 { font-size: 24px; }
  .hero-section p { font-size: 14px; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius-sm); font-weight: 600; font-size: 15px;
  border: none; cursor: pointer; transition: transform .12s ease, box-shadow .12s ease, opacity .12s ease;
}
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--gradient-brand); color: #fff; box-shadow: var(--shadow-md); }
.btn-primary:hover { opacity: .92; }
.btn-outline { background: transparent; border: 1.5px solid var(--color-primary); color: var(--color-primary); }
.btn-ghost { background: var(--color-surface-1); color: var(--color-text); }
.btn-block { width: 100%; }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-danger { background: var(--color-danger); color: #fff; }

/* Cards */
.card { background: var(--color-surface-1); border: 1px solid var(--color-surface-2); border-radius: var(--radius-md); padding: 20px; }
.card-elevated { background: var(--color-bg); box-shadow: var(--shadow-sm); border-radius: var(--radius-md); }

/* Course Grid & Card */
.course-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
@media (max-width: 1100px) { .course-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 820px) { .course-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; } }
@media (max-width: 560px) { .course-grid { grid-template-columns: 1fr; } }

.course-card {
  border-radius: var(--radius-lg); overflow: hidden; background: var(--color-bg);
  box-shadow: var(--shadow-sm); transition: transform .18s ease, box-shadow .18s ease;
  display: flex; flex-direction: column; border: 1px solid var(--color-surface-2);
}
.course-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.course-card .thumb { aspect-ratio: 16/9; background: var(--color-surface-2); overflow: hidden; position: relative; }
.course-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.course-card:hover .thumb img { transform: scale(1.05); }
.course-card .thumb .badge-level { position: absolute; top: 10px; inset-inline-start: 10px; background: rgba(255,255,255,.92); }
.course-card .body { padding: 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.course-card .body h3 { margin: 0; font-size: 16px; line-height: 1.6; min-height: 48px; }
.course-card .meta-row { display: flex; gap: 14px; font-size: 12.5px; color: #7c8892; }
.course-card .meta-row span { display: flex; align-items: center; gap: 4px; }
.course-card .footer-row {
  margin-top: auto; padding-top: 12px; border-top: 1px solid var(--color-surface-2);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.course-card .price-block { display: flex; flex-direction: column; }
.course-card .price { font-weight: 700; color: var(--color-primary); font-size: 15px; }
.price-old { text-decoration: line-through; color: #9aa4ad; font-size: 12px; }

.badge { display: inline-block; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-free { background: rgba(18,183,106,.12); color: var(--color-success); }
.badge-level { background: var(--color-surface-2); color: var(--color-primary-dark); }

/* Forms */
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-grid-2 { grid-template-columns: 1fr; gap: 0; } }
.form-group { margin-bottom: 18px; }
.form-label { display: block; margin-bottom: 6px; font-weight: 500; font-size: 14px; }
.form-control {
  width: 100%; padding: 12px 14px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border); background: var(--color-bg); color: var(--color-text);
  font-family: var(--font-main); font-size: 15px; transition: border-color .15s ease;
}
.form-control:focus { outline: none; border-color: var(--color-primary); }
.input-group { position: relative; }
.input-group .toggle-password {
  position: absolute; inset-inline-end: 12px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; color: #7c8892;
}
.password-strength { height: 5px; border-radius: 4px; margin-top: 8px; background: var(--color-surface-2); overflow: hidden; }
.password-strength > div { height: 100%; width: 0%; transition: width .2s ease, background .2s ease; }
.strength-weak > div { width: 33%; background: var(--color-danger); }
.strength-medium > div { width: 66%; background: var(--color-warning); }
.strength-strong > div { width: 100%; background: var(--color-success); }
.form-hint { font-size: 12.5px; color: #7c8892; margin-top: 6px; }
.form-error { font-size: 12.5px; color: var(--color-danger); margin-top: 6px; }

/* Alerts */
.alert { padding: 14px 16px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 14px; }
.alert-success { background: rgba(18,183,106,.1); color: var(--color-success); }
.alert-error { background: rgba(229,57,53,.1); color: var(--color-danger); }
.alert-info { background: var(--color-surface-1); color: var(--color-primary-dark); }

/* Accordion (سرفصل‌ها) */
.accordion-item { border: 1px solid var(--color-border); border-radius: var(--radius-sm); margin-bottom: 10px; overflow: hidden; }
.accordion-header { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; cursor: pointer; background: var(--color-surface-1); font-weight: 600; }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
.accordion-item.open .accordion-body { max-height: 2000px; }
.lesson-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-top: 1px solid var(--color-surface-2); font-size: 14px; }
.lesson-row .meta { color: #7c8892; font-size: 12.5px; }

/* ===================== تک‌صفحه دوره (نسخه جدید) =====================
   از CSS Grid با ناحیه‌های نام‌گذاری‌شده استفاده شده تا هم چیدمان دسکتاپ
   (۷۰٪ محتوا / ۳۰٪ خرید، با زیرستون ۳۰٪ تصویر و ۷۰٪ عنوان در بالای محتوا)
   و هم ترتیب دقیق موبایل، بدون تکرار HTML و فقط با تغییر CSS مدیریت شود. */

.course-page-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
  grid-template-areas:
    "cover"
    "title"
    "infocard"
    "price"
    "chapters"
    "description"
    "breadcrumb";
  padding: 24px 0 90px;
}

@media (min-width: 901px) {
  .course-page-grid {
    grid-template-columns: 2fr 5fr 3fr;
    grid-template-areas:
      "cover title price"
      "infocard infocard price"
      "chapters chapters price"
      "description description price"
      "breadcrumb breadcrumb price";
    gap: 28px 32px;
    padding: 40px 0 90px;
  }
}

.area-cover { grid-area: cover; }
.area-title { grid-area: title; display: flex; flex-direction: column; justify-content: center; gap: 10px; }
.area-infocard { grid-area: infocard; }
.area-price { grid-area: price; }
.area-chapters { grid-area: chapters; }
.area-description { grid-area: description; }
.area-breadcrumb { grid-area: breadcrumb; }

.course-cover-img {
  width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: var(--radius-lg);
  background: var(--color-surface-2);
}

.area-title h1 { font-size: 26px; margin: 0; line-height: 1.5; }
.area-title p { color: #7c8892; margin: 0; line-height: 1.9; font-size: 15px; }
@media (max-width: 600px) { .area-title h1 { font-size: 20px; } }

.course-info-card {
  background: var(--color-surface-1); border-radius: var(--radius-lg); padding: 20px 24px;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 16px;
}
.course-info-card .fact { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.course-info-card .fact i { color: var(--color-primary); font-size: 16px; width: 20px; text-align: center; }

.area-price { align-self: start; }
@media (min-width: 901px) {
  .area-price { position: sticky; top: 88px; }
}

.breadcrumb-v2 { font-size: 13px; color: #7c8892; }
.breadcrumb-v2 a { color: var(--color-primary); }

/* ===================== end تک‌صفحه دوره ===================== */

.purchase-card { padding: 20px; }
.purchase-facts { list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; font-size: 13.5px; color: #7c8892; }

.lesson-play-btn {
  background: var(--color-primary); color: #fff; border: none; border-radius: 50%;
  width: 30px; height: 30px; flex-shrink: 0; cursor: pointer; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}

/* Video Modal (پاپ‌آپ پخش درس رایگان) */
.video-modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.75); z-index: 998;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.video-modal-box { width: 100%; max-width: 780px; background: #000; border-radius: var(--radius-md); overflow: hidden; position: relative; }
.video-modal-box iframe, .video-modal-box video { width: 100%; aspect-ratio: 16/9; display: block; border: none; }
.video-modal-close {
  position: absolute; top: -14px; inset-inline-end: -14px; background: #fff; color: #000;
  width: 32px; height: 32px; border-radius: 50%; border: none; cursor: pointer; font-size: 16px;
}

/* Sticky CTA */
.sticky-cta { position: fixed; bottom: 0; inset-inline: 0; background: var(--color-bg); border-top: 1px solid var(--color-border); padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; box-shadow: 0 -4px 16px rgba(0,0,0,.06); z-index: 40; }
@media (min-width: 901px) { .sticky-cta { display: none; } }

/* Dashboard layout */
.dashboard { display: grid; grid-template-columns: 240px 1fr; gap: 24px; align-items: start; }
.dashboard-sidebar { background: var(--color-surface-1); border-radius: var(--radius-md); padding: 18px; height: fit-content; }
.dashboard-sidebar a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius-sm); font-size: 14px; margin-bottom: 4px; color: var(--color-text); white-space: nowrap; }
.dashboard-sidebar a.active, .dashboard-sidebar a:hover { background: var(--color-bg); color: var(--color-primary); font-weight: 600; }

@media (max-width: 900px) {
  .dashboard { grid-template-columns: 1fr; gap: 16px; }
  .dashboard-sidebar {
    display: flex; flex-direction: row; gap: 6px; overflow-x: auto;
    padding: 10px; -webkit-overflow-scrolling: touch;
  }
  .dashboard-sidebar a { margin-bottom: 0; flex-shrink: 0; }
}

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { padding: 12px 14px; text-align: right; border-bottom: 1px solid var(--color-surface-2); }
.table th { color: #7c8892; font-weight: 600; font-size: 13px; }

.status-pill { padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }

.badge-count {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 18px; height: 18px; padding: 0 5px; border-radius: 999px;
  background: var(--color-danger); color: #fff; font-size: 11px; font-weight: 700;
  margin-inline-start: 4px; line-height: 1;
}

/* Toast */
.toast-container {
  position: fixed; top: 20px; inset-inline-end: 20px; z-index: 999;
  display: flex; flex-direction: column; gap: 10px; max-width: 340px;
}
.toast {
  background: var(--color-bg); color: var(--color-text); padding: 14px 18px;
  border-radius: var(--radius-sm); box-shadow: var(--shadow-md); font-size: 14px;
  border-inline-start: 4px solid var(--color-primary);
  opacity: 0; transform: translateY(-10px); transition: opacity .25s ease, transform .25s ease;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast-success { border-inline-start-color: var(--color-success); }
.toast-error { border-inline-start-color: var(--color-danger); }
@media (max-width: 500px) {
  .toast-container { inset-inline: 12px; max-width: none; top: 12px; }
}

[data-copy-value] { cursor: pointer; }
.status-pending { background: rgba(247,144,9,.12); color: var(--color-warning); }
.status-confirmed { background: rgba(18,183,106,.12); color: var(--color-success); }
.status-rejected { background: rgba(229,57,53,.12); color: var(--color-danger); }

.theme-toggle { background: var(--color-surface-1); border: none; border-radius: 999px; width: 38px; height: 38px; cursor: pointer; display: flex; align-items: center; justify-content: center; }

footer.site-footer { background: var(--color-surface-1); margin-top: 60px; padding: 40px 0 20px; font-size: 14px; }
footer.site-footer .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; }
footer.site-footer h4 { margin: 0 0 12px; font-size: 15px; }
footer.site-footer p { margin: 0 0 8px; }
.footer-social { display: flex; gap: 10px; margin-top: 6px; }
.footer-social a {
  width: 34px; height: 34px; border-radius: 50%; background: var(--color-surface-2);
  display: flex; align-items: center; justify-content: center; color: var(--color-text);
}
.footer-social a:hover { background: var(--color-primary); color: #fff; }
