:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --accent: #dc2626;
  --accent-hover: #b91c1c;
  --accent-2: #ea580c;
  --soft: #fef2f2;
  --border: #e5e7eb;
  --shadow: 0 1px 3px rgba(17, 24, 39, 0.06), 0 8px 24px rgba(17, 24, 39, 0.06);
  --radius: 10px;
}

[data-theme="dark"] {
  --bg: #0e1013;
  --surface: #171a1f;
  --text: #e8eaed;
  --muted: #9ca3af;
  --accent: #ef4444;
  --accent-hover: #dc2626;
  --soft: #2a1718;
  --border: #272b33;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.3);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Vazirmatn", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.9;
  text-align: start;
  min-block-size: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }
img { max-inline-size: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.5; margin: 0 0 0.5rem; }
h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h2 { font-size: clamp(1.3rem, 3vw, 1.8rem); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1rem; }
svg.lucide { inline-size: 1.15em; block-size: 1.15em; stroke-width: 2; flex: none; }
.muted { color: var(--muted); }
.prose { white-space: pre-line; }
.container { inline-size: min(1160px, 100% - 2rem); margin-inline: auto; }
.section { padding-block: 3rem; }
.section-alt { background: var(--surface); border-block: 1px solid var(--border); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-block-end: 1.5rem; }
.section-head p { margin: 0; color: var(--muted); }
.eyebrow { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--accent); font-weight: 700; font-size: 0.9rem; margin-block-end: 0.25rem; }

.site-header { position: sticky; inset-block-start: 0; z-index: 50; background: var(--surface); border-block-end: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; gap: 0.75rem; min-block-size: 64px; }
.brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 800; font-size: 1.1rem; }
.brand svg { color: var(--accent); inline-size: 1.5rem; block-size: 1.5rem; }
.site-nav { display: flex; align-items: center; gap: 0.25rem; margin-inline-start: auto; }
.site-nav a, .site-nav .link-btn { padding: 0.4rem 0.75rem; border-radius: 8px; font-size: 0.95rem; color: var(--muted); }
.site-nav a:hover, .site-nav a.active { color: var(--accent); background: var(--soft); }
.link-btn { background: none; border: 0; font: inherit; cursor: pointer; display: inline-flex; align-items: center; gap: 0.4rem; min-block-size: 36px; }
.link-btn:hover { color: var(--accent); }
.icon-btn { display: inline-flex; align-items: center; justify-content: center; inline-size: 40px; block-size: 40px; border-radius: 8px; border: 1px solid var(--border); background: transparent; color: var(--text); cursor: pointer; }
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.theme-btn .i-sun { display: none; }
[data-theme="dark"] .theme-btn .i-sun { display: inline-block; }
[data-theme="dark"] .theme-btn .i-moon { display: none; }
.nav-toggle { display: none; }
.nav-toggle .i-close { display: none; }
.nav-toggle[aria-expanded="true"] .i-open { display: none; }
.nav-toggle[aria-expanded="true"] .i-close { display: inline-block; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; min-block-size: 40px; padding-inline: 1.25rem; border-radius: 8px; border: 1px solid transparent; background: var(--accent); color: #fff; font: inherit; font-weight: 600; cursor: pointer; transition: background 0.2s, border-color 0.2s, color 0.2s; }
.btn:hover { background: var(--accent-hover); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { background: transparent; border-color: var(--accent); color: var(--accent); }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.4); }
.btn-ghost-light:hover { background: rgba(255, 255, 255, 0.1); border-color: #fff; }
.btn-danger { background: transparent; color: var(--accent); border-color: var(--border); }
.btn-danger:hover { background: var(--soft); border-color: var(--accent); }
.btn-sm { min-block-size: 36px; padding-inline: 0.9rem; font-size: 0.88rem; }
.btn-block { inline-size: 100%; }

.hero { background: linear-gradient(135deg, #111827 0%, #3b0d0d 60%, #7f1d1d 100%); color: #fff; padding-block: clamp(3rem, 9vw, 6rem); position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; inset-block-start: -30%; inset-inline-end: -10%; inline-size: 420px; block-size: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(234, 88, 12, 0.35), transparent 70%); }
.hero .container { position: relative; z-index: 1; max-inline-size: 760px; margin-inline-start: max(1rem, calc((100% - 1160px) / 2)); margin-inline-end: auto; }
.hero p { font-size: 1.1rem; color: #e5e7eb; max-inline-size: 56ch; }
.hero-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-block-start: 1.5rem; }
.page-hero { background: var(--surface); border-block-end: 1px solid var(--border); padding-block: 2rem; }
.page-hero p { margin: 0; color: var(--muted); }

.grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr)); }
.card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); overflow: hidden; display: flex; flex-direction: column; }
.card-media { display: block; aspect-ratio: 16 / 10; background: var(--soft); overflow: hidden; }
.card-media img { inline-size: 100%; block-size: 100%; object-fit: cover; transition: transform 0.4s; }
.card:hover .card-media img { transform: scale(1.04); }
.ph { inline-size: 100%; block-size: 100%; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--soft), var(--surface)); color: var(--accent); }
.ph svg { inline-size: 2.75rem; block-size: 2.75rem; opacity: 0.7; }
.card-body { padding: 1.1rem; display: flex; flex-direction: column; gap: 0.4rem; flex: 1; }
.card-body h3 { margin: 0; }
.card-body h3 a:hover { color: var(--accent); }
.card-body p { margin: 0; color: var(--muted); font-size: 0.93rem; }
.card-foot { margin-block-start: auto; padding-block-start: 0.75rem; display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; flex-wrap: wrap; }
.meta { display: flex; flex-wrap: wrap; gap: 0.5rem 0.9rem; align-items: center; font-size: 0.85rem; color: var(--muted); }
.meta-item { display: inline-flex; align-items: center; gap: 0.3rem; }
.badge { display: inline-flex; align-items: center; padding: 0.05rem 0.7rem; border-radius: 999px; background: var(--soft); color: var(--accent); font-size: 0.8rem; font-weight: 700; }
.badge-muted { background: var(--border); color: var(--muted); }
.badge-ok { background: #dcfce7; color: #166534; }
[data-theme="dark"] .badge-ok { background: #123222; color: #86efac; }

.features { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); }
.feature { padding: 1.4rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.feature .ico { inline-size: 48px; block-size: 48px; display: flex; align-items: center; justify-content: center; border-radius: 10px; background: var(--soft); color: var(--accent); margin-block-end: 0.8rem; }
.feature p { margin: 0; color: var(--muted); font-size: 0.93rem; }

.coach-card { display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: 2rem; align-items: center; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.5rem; }
.coach-photo { aspect-ratio: 4 / 5; inline-size: 100%; object-fit: cover; border-radius: var(--radius); background: var(--soft); }
.coach-ph { aspect-ratio: 4 / 5; border-radius: var(--radius); background: linear-gradient(135deg, #111827, #7f1d1d); display: flex; align-items: center; justify-content: center; color: #fff; }
.coach-ph svg { inline-size: 4rem; block-size: 4rem; opacity: 0.8; }
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-block: 0.75rem; }
.checklist { list-style: none; padding: 0; margin: 0 0 1rem; display: grid; gap: 0.5rem; }
.checklist li { display: flex; gap: 0.6rem; align-items: flex-start; }
.checklist svg { color: var(--accent); margin-block-start: 0.45rem; }

.cta { background: linear-gradient(135deg, #7f1d1d, #dc2626 70%, #ea580c); color: #fff; border-radius: var(--radius); padding: clamp(1.5rem, 5vw, 3rem); text-align: center; }
.cta p { color: #fee2e2; }
.cta .hero-actions { justify-content: center; }

.tabs { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-block-end: 1.5rem; }
.tab { display: inline-flex; align-items: center; min-block-size: 36px; padding-inline: 1rem; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); font-size: 0.9rem; color: var(--muted); white-space: nowrap; }
.tab:hover { border-color: var(--accent); color: var(--accent); }
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.detail { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 340px); gap: 2rem; align-items: start; }
.detail-img { inline-size: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--radius); margin-block-end: 1.25rem; box-shadow: var(--shadow); }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.25rem; }
.info-list { list-style: none; padding: 0; margin: 0 0 1rem; display: grid; gap: 0.6rem; }
.info-list li { display: flex; align-items: center; gap: 0.6rem; padding-block-end: 0.6rem; border-block-end: 1px solid var(--border); }
.info-list li:last-child { border: 0; padding: 0; }
.info-list svg { color: var(--accent); }
.info-list strong { margin-inline-start: auto; }
.back-link { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--muted); margin-block-end: 1rem; }
.back-link:hover { color: var(--accent); }

.week { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 0.75rem; align-items: start; }
.day { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.day h3 { margin: 0; padding: 0.6rem; background: var(--accent); color: #fff; font-size: 0.95rem; text-align: center; }
.slot { padding: 0.75rem; border-block-end: 1px solid var(--border); font-size: 0.88rem; }
.slot:last-child { border-block-end: 0; }
.slot time { display: block; color: var(--muted); font-size: 0.82rem; }
.slot strong { display: block; margin-block: 0.1rem 0.3rem; }
.slot small { display: block; color: var(--muted); margin-block-start: 0.3rem; }
.rest { padding: 1rem; text-align: center; color: var(--muted); font-size: 0.9rem; }

.form-card { max-inline-size: 760px; padding: 1.5rem; }
.field { display: grid; gap: 0.35rem; margin-block-end: 1rem; }
.field label { font-weight: 600; font-size: 0.93rem; }
.field input, .field select, .field textarea { inline-size: 100%; min-block-size: 40px; padding: 0.5rem 0.8rem; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); font: inherit; text-align: start; }
.field textarea { min-block-size: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.field .hint { font-size: 0.82rem; color: var(--muted); }
.check { display: flex !important; align-items: center; gap: 0.6rem; cursor: pointer; }
.check input { inline-size: 18px; min-block-size: 18px; block-size: 18px; accent-color: var(--accent); }
.form-grid { display: grid; gap: 0 1rem; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); }
.form-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.thumb { inline-size: 160px; border-radius: 8px; margin-block-start: 0.5rem; }
.code-input { text-align: center !important; letter-spacing: 0.5em; font-size: 1.4rem !important; }
.auth-box { max-inline-size: 440px; margin-inline: auto; padding: 2rem; }
.auth-box .ico { inline-size: 56px; block-size: 56px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--soft); color: var(--accent); margin: 0 auto 1rem; }
.auth-box h1 { text-align: center; font-size: 1.5rem; }
.auth-box > p { text-align: center; color: var(--muted); }

.flashes { position: fixed; inset-block-start: 76px; inset-inline: 1rem; z-index: 80; display: grid; gap: 0.5rem; justify-items: center; pointer-events: none; }
.flash { pointer-events: auto; display: flex; align-items: center; gap: 0.6rem; inline-size: min(520px, 100%); padding: 0.7rem 1rem; border-radius: 8px; background: var(--surface); border: 1px solid var(--border); border-inline-start: 4px solid var(--muted); box-shadow: var(--shadow); transition: opacity 0.4s; }
.flash.hide { opacity: 0; pointer-events: none; }
.flash-success { border-inline-start-color: #16a34a; }
.flash-error { border-inline-start-color: var(--accent); }
.flash-info { border-inline-start-color: #2563eb; }
.flash-close { margin-inline-start: auto; background: none; border: 0; color: var(--muted); cursor: pointer; display: inline-flex; padding: 0.25rem; }

.table-wrap { overflow-x: auto; }
table { inline-size: 100%; border-collapse: collapse; min-inline-size: 560px; }
th, td { text-align: start; padding: 0.75rem 1rem; border-block-end: 1px solid var(--border); font-size: 0.93rem; vertical-align: middle; }
th { background: var(--bg); color: var(--muted); font-weight: 600; white-space: nowrap; }
tr:last-child td { border-block-end: 0; }
.actions { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.actions form { margin: 0; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-block-end: 1.25rem; }
.page-head h1 { margin: 0; font-size: 1.5rem; }
.admin-nav { display: flex; gap: 0.4rem; overflow-x: auto; padding-block-end: 0.5rem; margin-block-end: 1.25rem; border-block-end: 1px solid var(--border); }
.stats { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr)); }
.stat { flex-direction: row; align-items: center; gap: 1rem; padding: 1.25rem; transition: transform 0.2s, border-color 0.2s; }
.stat:hover { transform: translateY(-2px); border-color: var(--accent); }
.stat .ico { inline-size: 48px; block-size: 48px; display: flex; align-items: center; justify-content: center; border-radius: 10px; background: var(--soft); color: var(--accent); }
.stat strong { display: block; font-size: 1.5rem; line-height: 1.3; }
.stat span { color: var(--muted); font-size: 0.9rem; }
.msg { padding: 1.1rem; display: grid; gap: 0.4rem; }
.msg.unread { border-inline-start: 4px solid var(--accent); }
.msg-list { display: grid; gap: 1rem; }
.error-page { text-align: center; padding-block: 5rem; }
.error-page .code { font-size: 5rem; font-weight: 800; color: var(--accent); line-height: 1.2; }

.site-footer { background: var(--surface); border-block-start: 1px solid var(--border); margin-block-start: 3rem; padding-block: 2.5rem 1.25rem; }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); }
.footer-grid h3 { font-size: 1rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.4rem; color: var(--muted); font-size: 0.93rem; }
.footer-grid li { display: flex; gap: 0.5rem; align-items: flex-start; }
.footer-grid li svg { margin-block-start: 0.4rem; color: var(--accent); }
.footer-grid a:hover { color: var(--accent); }
.footer-bottom { margin-block-start: 1.75rem; padding-block-start: 1rem; border-block-start: 1px solid var(--border); color: var(--muted); font-size: 0.85rem; text-align: center; }

@media (max-width: 1100px) {
  .week { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; margin-inline-start: auto; }
  .brand + .nav-toggle { margin-inline-start: auto; }
  .site-nav { display: none; position: absolute; inset-inline: 0; inset-block-start: 100%; flex-direction: column; align-items: stretch; gap: 0; margin: 0; padding: 0.5rem 1rem 1rem; background: var(--surface); border-block-end: 1px solid var(--border); box-shadow: var(--shadow); }
  .site-nav.open { display: flex; }
  .site-nav a, .site-nav .link-btn { padding: 0.6rem 0.75rem; min-block-size: 44px; display: flex; align-items: center; inline-size: 100%; }
  .detail { grid-template-columns: minmax(0, 1fr); }
  .coach-card { grid-template-columns: minmax(0, 1fr); }
  .coach-photo, .coach-ph { max-inline-size: 320px; margin-inline: auto; }
  .week { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .week { grid-template-columns: minmax(0, 1fr); }
  .section { padding-block: 2.25rem; }
  .hero .container { margin-inline: auto; }
  .brand span { font-size: 1rem; }
}

@media (max-width: 400px) {
  .header-inner { gap: 0.4rem; }
  .brand span { font-size: 0.92rem; }
  .btn { padding-inline: 1rem; }
}