:root {
  --academy-navy: #102941;
  --academy-navy-2: #173e5f;
  --academy-teal: #0a8b84;
  --academy-teal-soft: #e5f5f2;
  --academy-gold: #d5a33a;
  --academy-gold-soft: #fff5dc;
  --academy-cream: #fbf3e8;
  --academy-paper: #fffdf9;
  --academy-line: #dce5e7;
  --academy-muted: #667782;
  --academy-red: #a12e35;
  --academy-green: #176b4c;
  --academy-shadow: 0 14px 42px rgba(16, 41, 65, .11);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.academy-body {
  margin: 0;
  min-height: 100vh;
  color: var(--academy-navy);
  background:
    radial-gradient(circle at 90% 0, rgba(10, 139, 132, .10), transparent 32rem),
    linear-gradient(135deg, var(--academy-cream), #f4f7f6 55%, #eef3f4);
  font-family: Arial, Helvetica, sans-serif;
}

.academy-body a { color: inherit; }
.academy-body button, .academy-body input, .academy-body select, .academy-body textarea { font: inherit; }
.academy-body img { max-width: 100%; }

.academy-public-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 74px;
  padding: 14px max(20px, calc((100vw - 1180px) / 2));
  color: #fff;
  background: var(--academy-navy);
}

.academy-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.academy-brand-mark {
  display: grid;
  place-items: center;
  width: 43px;
  height: 43px;
  border-radius: 14px;
  color: var(--academy-navy);
  background: var(--academy-gold);
  font: 900 19px/1 Georgia, serif;
}
.academy-brand strong { display: block; font-size: 16px; }
.academy-brand small { display: block; margin-top: 2px; color: #c9d5dd; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }

.academy-shell { width: min(1180px, 94%); margin: 30px auto 54px; }
.academy-auth-shell { width: min(1050px, 94%); margin: 40px auto 60px; }
.academy-auth-grid { display: grid; grid-template-columns: .9fr 1.1fr; overflow: hidden; border-radius: 28px; background: var(--academy-paper); box-shadow: var(--academy-shadow); }
.academy-auth-intro { position: relative; min-height: 610px; padding: clamp(30px, 5vw, 62px); color: #fff; background: linear-gradient(155deg, var(--academy-navy), #0b3f53 65%, var(--academy-teal)); }
.academy-auth-intro::after { content: ""; position: absolute; right: -70px; bottom: -85px; width: 250px; height: 250px; border: 42px solid rgba(255, 255, 255, .08); border-radius: 50%; }
.academy-auth-intro h1, .academy-page-title, .academy-course-hero h1 { font-family: Georgia, 'Times New Roman', serif; }
.academy-auth-intro h1 { max-width: 500px; margin: 32px 0 18px; font-size: clamp(36px, 5vw, 62px); line-height: 1.02; }
.academy-auth-intro p { max-width: 480px; color: #dce8ec; font-size: 17px; line-height: 1.65; }
.academy-benefits { display: grid; gap: 13px; margin: 30px 0 0; padding: 0; list-style: none; }
.academy-benefits li { display: flex; align-items: center; gap: 10px; }
.academy-benefits li::before { content: "✓"; display: grid; place-items: center; width: 25px; height: 25px; flex: 0 0 25px; border-radius: 50%; color: var(--academy-navy); background: var(--academy-gold); font-weight: 900; }
.academy-auth-panel { padding: clamp(26px, 5vw, 58px); }
.academy-auth-tabs { display: flex; gap: 8px; margin-bottom: 28px; padding: 5px; border-radius: 13px; background: #eef3f3; }
.academy-auth-tabs a { flex: 1; padding: 11px; border-radius: 10px; color: var(--academy-muted); text-align: center; text-decoration: none; font-weight: 800; }
.academy-auth-tabs a.current { color: #fff; background: var(--academy-teal); box-shadow: 0 5px 14px rgba(10, 139, 132, .22); }

.academy-card { padding: 24px; border: 1px solid rgba(16, 41, 65, .07); border-radius: 20px; background: var(--academy-paper); box-shadow: var(--academy-shadow); }
.academy-card + .academy-card { margin-top: 18px; }
.academy-card h2, .academy-card h3 { margin-top: 0; }
.academy-card h2 { font-family: Georgia, 'Times New Roman', serif; }
.academy-muted { color: var(--academy-muted); }
.academy-eyebrow { display: block; margin-bottom: 7px; color: var(--academy-teal); font-size: 11px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }

.academy-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.academy-field.full { grid-column: 1 / -1; }
.academy-field label { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 800; }
.academy-field input, .academy-field select, .academy-field textarea {
  width: 100%;
  min-height: 45px;
  padding: 11px 13px;
  border: 1px solid var(--academy-line);
  border-radius: 11px;
  color: var(--academy-navy);
  background: #fff;
  outline: none;
}
.academy-field textarea { min-height: 115px; resize: vertical; }
.academy-field input:focus, .academy-field select:focus, .academy-field textarea:focus { border-color: var(--academy-teal); box-shadow: 0 0 0 3px rgba(10, 139, 132, .13); }
.academy-field .hint { margin-top: 5px; color: var(--academy-muted); font-size: 12px; line-height: 1.4; }
.academy-check { display: flex; align-items: flex-start; gap: 10px; padding: 12px; border-radius: 11px; background: #f4f7f7; }
.academy-check input { width: 18px; height: 18px; margin-top: 1px; accent-color: var(--academy-teal); }
.academy-check label { margin: 0; font-size: 13px; line-height: 1.45; }

.academy-btn {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 16px;
  border: 0;
  border-radius: 11px;
  color: #fff;
  background: var(--academy-navy);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  font-weight: 800;
}
.academy-btn:hover, .academy-btn:focus { filter: brightness(1.08); transform: translateY(-1px); }
.academy-btn.teal { background: var(--academy-teal); }
.academy-btn.gold { color: var(--academy-navy); background: var(--academy-gold); }
.academy-btn.light { color: var(--academy-navy); border: 1px solid var(--academy-line); background: #fff; }
.academy-btn.danger { color: var(--academy-red); border: 1px solid #edc8ca; background: #fff1f1; }
.academy-btn.small { min-height: 34px; padding: 7px 10px; border-radius: 9px; font-size: 12px; }
.academy-actions { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.academy-actions.end { justify-content: flex-end; }

.academy-notice { margin-bottom: 18px; padding: 13px 15px; border-radius: 12px; line-height: 1.45; }
.academy-notice.ok { color: var(--academy-green); background: #e0f5eb; }
.academy-notice.error { color: #8b2028; background: #ffe5e6; }
.academy-notice.info { color: #725000; background: var(--academy-gold-soft); }

.academy-app { display: grid; grid-template-columns: 250px minmax(0, 1fr); min-height: 100vh; }
.academy-sidebar { position: sticky; top: 0; align-self: start; min-height: 100vh; padding: 22px 16px; color: #fff; background: var(--academy-navy); }
.academy-sidebar .academy-brand { padding: 0 7px 20px; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.academy-profile-mini { display: flex; align-items: center; gap: 10px; margin: 20px 5px; padding: 12px; border-radius: 14px; background: rgba(255, 255, 255, .08); }
.academy-avatar { display: grid; place-items: center; width: 42px; height: 42px; flex: 0 0 42px; border-radius: 50%; color: var(--academy-navy); background: var(--academy-gold); font-weight: 900; }
.academy-profile-mini strong { display: block; font-size: 13px; }
.academy-profile-mini span { display: block; margin-top: 3px; color: #bdccd5; font-size: 11px; text-transform: uppercase; }
.academy-nav { display: grid; gap: 5px; }
.academy-nav a { display: flex; align-items: center; gap: 10px; padding: 11px 13px; border-radius: 11px; color: #dce6eb; text-decoration: none; font-size: 14px; font-weight: 700; }
.academy-nav a:hover, .academy-nav a.current { color: #fff; background: var(--academy-teal); }
.academy-nav-icon { width: 22px; text-align: center; }
.academy-main { min-width: 0; padding: 25px clamp(18px, 4vw, 44px) 94px; }
.academy-main-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.academy-page-title { margin: 0; font-size: clamp(29px, 4vw, 45px); line-height: 1.05; }
.academy-page-title + p { margin: 7px 0 0; }
.academy-mobile-brand { display: none; }

.academy-stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 22px; }
.academy-stat { padding: 18px; border-radius: 17px; background: var(--academy-paper); box-shadow: 0 8px 28px rgba(16, 41, 65, .08); }
.academy-stat strong { display: block; font: 700 30px/1 Georgia, serif; }
.academy-stat span { display: block; margin-top: 7px; color: var(--academy-muted); font-size: 12px; }
.academy-stat.teal { border-top: 4px solid var(--academy-teal); }
.academy-stat.gold { border-top: 4px solid var(--academy-gold); }

.academy-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 18px; }
.academy-col-8 { grid-column: span 8; }
.academy-col-7 { grid-column: span 7; }
.academy-col-6 { grid-column: span 6; }
.academy-col-5 { grid-column: span 5; }
.academy-col-4 { grid-column: span 4; }
.academy-col-12 { grid-column: 1 / -1; }

.academy-course-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.academy-course-card { overflow: hidden; border-radius: 19px; background: var(--academy-paper); box-shadow: 0 9px 28px rgba(16, 41, 65, .09); }
.academy-course-cover { display: grid; min-height: 125px; place-items: end start; padding: 18px; color: #fff; background: linear-gradient(140deg, var(--academy-navy), var(--academy-teal)); }
.academy-course-cover span { padding: 5px 8px; border-radius: 999px; color: var(--academy-navy); background: var(--academy-gold); font-size: 10px; font-weight: 900; text-transform: uppercase; }
.academy-course-card-body { padding: 18px; }
.academy-course-card h3 { margin: 0 0 8px; font: 700 22px/1.15 Georgia, serif; }
.academy-course-card p { min-height: 42px; color: var(--academy-muted); font-size: 13px; line-height: 1.55; }

.academy-course-hero { position: relative; overflow: hidden; margin-bottom: 18px; padding: clamp(24px, 5vw, 52px); border-radius: 24px; color: #fff; background: linear-gradient(130deg, var(--academy-navy), #0d5462 70%, var(--academy-teal)); box-shadow: var(--academy-shadow); }
.academy-course-hero::after { content: ""; position: absolute; right: -70px; top: -100px; width: 280px; height: 280px; border: 45px solid rgba(255, 255, 255, .07); border-radius: 50%; }
.academy-course-hero h1 { position: relative; z-index: 1; max-width: 800px; margin: 10px 0 13px; font-size: clamp(34px, 6vw, 64px); line-height: 1; }
.academy-course-hero p { position: relative; z-index: 1; max-width: 760px; color: #dbe7eb; line-height: 1.6; }
.academy-course-tabs { display: flex; gap: 7px; margin-bottom: 18px; padding: 7px; overflow-x: auto; border-radius: 15px; background: var(--academy-paper); box-shadow: 0 7px 24px rgba(16, 41, 65, .08); scrollbar-width: thin; }
.academy-course-tabs a { flex: 0 0 auto; padding: 10px 13px; border-radius: 10px; color: var(--academy-muted); text-decoration: none; font-size: 13px; font-weight: 800; }
.academy-course-tabs a.current { color: #fff; background: var(--academy-teal); }

.academy-feed { display: grid; gap: 13px; }
.academy-news { position: relative; padding: 20px; border: 1px solid var(--academy-line); border-radius: 16px; background: #fff; }
.academy-news.pinned { border-color: #e2bd6c; background: #fffaf0; }
.academy-news .pin { position: absolute; top: 14px; right: 14px; color: #846010; font-size: 11px; font-weight: 900; }
.academy-news h3 { margin: 0 70px 8px 0; }
.academy-news p { margin-bottom: 0; white-space: pre-wrap; line-height: 1.58; }
.academy-news-meta, .academy-material-meta { color: var(--academy-muted); font-size: 11px; }
.academy-news-source { display: inline-flex; margin-top: 13px; color: var(--academy-teal); font-size: 12px; font-weight: 800; text-decoration: none; }
.academy-news-source:hover { text-decoration: underline; }

.academy-material-list { display: grid; gap: 10px; }
.academy-material { display: grid; grid-template-columns: 46px minmax(0, 1fr) auto; align-items: center; gap: 13px; padding: 13px; border: 1px solid var(--academy-line); border-radius: 14px; background: #fff; }
.academy-material-icon { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 13px; color: var(--academy-teal); background: var(--academy-teal-soft); font-size: 21px; font-weight: 900; }
.academy-material h3 { margin: 0 0 4px; font-size: 15px; }
.academy-material p { margin: 4px 0; color: var(--academy-muted); font-size: 12px; }
.academy-link-material { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--academy-line); }
.academy-link-material summary { cursor: pointer; color: var(--academy-teal); font-weight: 800; }
.academy-link-material form { margin-top: 15px; }
.academy-profile-consent { display: grid; gap: 12px; margin-top: 18px; }
.academy-profile-consent .academy-check { align-items: flex-start; }
.academy-profile-consent .academy-check span { color: var(--academy-navy); font-size: 13px; line-height: 1.45; }
.academy-profile-consent .academy-btn { justify-self: start; }
.academy-video-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 15px; }
.academy-video-card { overflow: hidden; border-radius: 16px; background: #061827; box-shadow: var(--academy-shadow); }
.academy-video-card video, .academy-video-card audio { display: block; width: 100%; }
.academy-video-card-body { padding: 14px; color: #fff; }
.academy-video-card-body h3 { margin: 0 0 5px; font-size: 15px; }
.academy-video-card-body p { margin: 0; color: #bfced7; font-size: 12px; }

.academy-empty { padding: 38px 20px; border: 2px dashed var(--academy-line); border-radius: 16px; color: var(--academy-muted); background: rgba(255, 255, 255, .6); text-align: center; }
.academy-empty strong { display: block; margin-bottom: 7px; color: var(--academy-navy); }

.academy-chat-shell { display: grid; grid-template-rows: auto minmax(320px, 58vh) auto auto; overflow: hidden; border-radius: 20px; background: #e8e2da; box-shadow: var(--academy-shadow); }
.academy-chat-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 17px; color: #fff; background: var(--academy-navy); }
.academy-chat-head strong { display: block; }
.academy-chat-head small { color: #c5d3da; }
.academy-chat-messages { display: flex; flex-direction: column; gap: 8px; padding: 16px; overflow-y: auto; background-color: #ece8e2; background-image: radial-gradient(rgba(16, 41, 65, .055) 1px, transparent 1px); background-size: 18px 18px; }
.academy-chat-message { display: flex; width: 100%; transition: background-color .2s ease; }
.academy-chat-message.is-other { justify-content: flex-start; }
.academy-chat-message.is-own { justify-content: flex-end; }
.academy-chat-message.is-highlighted { margin: -4px; padding: 4px; border-radius: 15px; background: rgba(213, 163, 58, .28); }
.academy-chat-bubble { max-width: min(78%, 610px); padding: 9px 11px 7px; border-radius: 4px 14px 14px 14px; background: #fff; box-shadow: 0 1px 2px rgba(0, 0, 0, .12); }
.academy-chat-message.is-own .academy-chat-bubble { border-radius: 14px 4px 14px 14px; background: #d5f2e6; }
.academy-chat-author { display: flex; align-items: baseline; gap: 7px; margin-bottom: 4px; color: var(--academy-teal); font-size: 11px; }
.academy-chat-author strong { font-size: 12px; }
.academy-chat-author span { color: var(--academy-muted); font-size: 9px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.academy-chat-quote { display: grid; width: 100%; gap: 2px; margin: 2px 0 7px; padding: 7px 9px; border: 0; border-left: 3px solid var(--academy-teal); border-radius: 7px; color: #566772; background: rgba(16, 41, 65, .07); cursor: pointer; text-align: left; }
.academy-chat-quote strong { color: var(--academy-teal); font-size: 10px; }
.academy-chat-quote span { overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.academy-chat-text { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 14px; line-height: 1.4; }
.academy-chat-text.is-deleted { color: var(--academy-muted); font-style: italic; }
.academy-chat-meta { display: flex; align-items: center; justify-content: flex-end; gap: 7px; margin-top: 5px; color: #75828a; font-size: 10px; }
.academy-chat-mini-action, .academy-chat-reply-cancel { padding: 0; border: 0; color: var(--academy-teal); background: transparent; cursor: pointer; font-size: 10px; font-weight: 800; }
.academy-chat-mini-action:hover, .academy-chat-reply-cancel:hover { text-decoration: underline; }
.academy-chat-mini-action.is-danger { color: var(--academy-red); }
.academy-chat-empty { align-self: center; margin: auto; padding: 18px; color: var(--academy-muted); text-align: center; }
.academy-chat-reply-preview { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 0; padding: 8px 10px; border-left: 3px solid var(--academy-teal); border-radius: 8px; color: #566772; background: var(--academy-teal-soft); font-size: 11px; }
.academy-chat-reply-preview[hidden] { display: none; }
.academy-bubble { align-self: flex-start; max-width: min(78%, 610px); padding: 9px 11px 7px; border-radius: 4px 14px 14px 14px; background: #fff; box-shadow: 0 1px 2px rgba(0, 0, 0, .12); }
.academy-bubble.mine { align-self: flex-end; border-radius: 14px 4px 14px 14px; background: #d5f2e6; }
.academy-bubble-author { display: block; margin-bottom: 3px; color: var(--academy-teal); font-size: 11px; font-weight: 900; }
.academy-bubble-text { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 14px; line-height: 1.4; }
.academy-bubble-time { display: block; margin: 4px 0 0; color: #75828a; font-size: 10px; text-align: right; }
.academy-reply-preview { margin-bottom: 6px; padding: 7px 9px; border-left: 3px solid var(--academy-teal); border-radius: 7px; color: #566772; background: rgba(16, 41, 65, .07); font-size: 11px; }
.academy-chat-compose { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 9px; padding: 12px; background: #f7f5f2; }
.academy-chat-compose textarea { min-height: 46px; max-height: 130px; padding: 12px 14px; border: 1px solid var(--academy-line); border-radius: 18px; resize: vertical; }
.academy-chat-status { padding: 7px 13px; color: var(--academy-muted); background: #f7f5f2; font-size: 11px; }
.academy-chat-status[data-state="online"] { color: var(--academy-green); }
.academy-chat-status[data-state="sending"] { color: #725000; }
.academy-chat-status[data-state="error"] { color: var(--academy-red); background: #fff1f1; }

.academy-mobile-nav { display: none; }

@media (max-width: 1080px) {
  .academy-stat-grid { grid-template-columns: repeat(2, 1fr); }
  .academy-col-8, .academy-col-7, .academy-col-6, .academy-col-5, .academy-col-4 { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
  .academy-auth-grid { grid-template-columns: 1fr; }
  .academy-auth-intro { min-height: 0; padding: 34px 28px; }
  .academy-auth-intro h1 { margin-top: 20px; font-size: 40px; }
  .academy-benefits { display: none; }
  .academy-app { display: block; }
  .academy-sidebar { display: none; }
  .academy-main { padding: 82px 15px 88px; }
  .academy-mobile-brand { position: fixed; inset: 0 0 auto; z-index: 30; display: flex; align-items: center; justify-content: space-between; height: 64px; padding: 10px 15px; color: #fff; background: var(--academy-navy); box-shadow: 0 4px 18px rgba(0, 0, 0, .14); }
  .academy-mobile-brand .academy-brand-mark { width: 38px; height: 38px; border-radius: 12px; }
  .academy-main-top { align-items: flex-start; }
  .academy-main-top .academy-actions { justify-content: flex-end; }
  .academy-mobile-nav { position: fixed; inset: auto 0 0; z-index: 30; display: grid; grid-template-columns: repeat(5, 1fr); min-height: 64px; border-top: 1px solid #d4dcdf; background: #fff; box-shadow: 0 -5px 20px rgba(16, 41, 65, .10); }
  .academy-mobile-nav.has-admin { grid-template-columns: repeat(6, 1fr); }
  .academy-mobile-nav a { display: flex; min-width: 0; flex-direction: column; align-items: center; justify-content: center; gap: 3px; padding: 8px 3px; color: var(--academy-muted); text-decoration: none; font-size: 10px; font-weight: 800; }
  .academy-mobile-nav a.current { color: var(--academy-teal); }
  .academy-mobile-nav span { font-size: 20px; line-height: 1; }
}

@media (max-width: 620px) {
  .academy-public-top { min-height: 64px; padding: 10px 14px; }
  .academy-public-top .academy-btn { min-height: 36px; padding: 7px 10px; font-size: 11px; }
  .academy-brand small { display: none; }
  .academy-auth-shell { width: min(96%, 1050px); margin-top: 18px; }
  .academy-auth-grid { border-radius: 20px; }
  .academy-auth-intro { padding: 26px 22px; }
  .academy-auth-intro h1 { font-size: 34px; }
  .academy-auth-intro p { font-size: 14px; }
  .academy-auth-panel { padding: 24px 18px; }
  .academy-form-grid { grid-template-columns: 1fr; }
  .academy-field.full { grid-column: auto; }
  .academy-stat-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
  .academy-stat { padding: 14px; }
  .academy-stat strong { font-size: 25px; }
  .academy-card { padding: 17px; border-radius: 16px; }
  .academy-course-hero { padding: 26px 20px; border-radius: 18px; }
  .academy-course-hero h1 { font-size: 37px; }
  .academy-material { grid-template-columns: 42px minmax(0, 1fr); }
  .academy-material .academy-actions { grid-column: 1 / -1; padding-left: 55px; }
  .academy-bubble { max-width: 88%; }
  .academy-chat-bubble { max-width: 88%; }
  .academy-chat-messages { padding: 11px; }
  .academy-chat-compose { grid-template-columns: minmax(0, 1fr) 46px; }
  .academy-chat-compose .academy-btn { width: 46px; padding: 0; border-radius: 50%; font-size: 0; }
  .academy-chat-compose .academy-btn::after { content: "➤"; font-size: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}