/* CODE WAY — дизайн-система в стиле Starbucks:
   стиль: тёплый минимализм + таблетковидные кнопки + много воздуха
   палитра: Starbucks green #00704A + house green #1E3932 + кремовый фон
   шрифт: Inter (system-first) */

:root {
  --primary: #00704A;
  --primary-dark: #1E3932;
  --on-primary: #FFFFFF;
  --secondary: #1E3932;
  --accent: #1E3932;
  --on-accent: #FFFFFF;
  --background: #F7F5F0;
  --foreground: #1E3932;
  --card: #FFFFFF;
  --muted: #EAF1EE;
  --muted-foreground: #4A6E60;
  --border: #DCE6E1;
  --destructive: #C0392B;
  --success: #1E7A46;
  --gold: #CBA258;
  --ring: #00704A;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  /* фирменные градиенты */
  --gradient-primary: linear-gradient(135deg, #00754A 0%, #1E3932 100%);
  --gradient-accent: linear-gradient(135deg, #1E3932 0%, #00704A 100%);
  /* многослойная тень для мягкой, современной глубины */
  --shadow: 0 1px 2px rgba(30, 57, 50, 0.06), 0 4px 14px rgba(30, 57, 50, 0.07);
  --shadow-md: 0 4px 10px rgba(30, 57, 50, 0.08), 0 12px 30px rgba(30, 57, 50, 0.10);
  --shadow-lg: 0 10px 20px rgba(30, 57, 50, 0.10), 0 24px 56px rgba(30, 57, 50, 0.16);
  --shadow-primary: 0 6px 16px rgba(0, 112, 74, 0.26);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--foreground);
  background: var(--background);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---------- Иконки ---------- */
.ico {
  width: 1.15em;
  height: 1.15em;
  flex: none;
  vertical-align: -0.18em;
}

.ico-lg {
  width: 26px;
  height: 26px;
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

main.container {
  flex: 1;
  padding-top: 32px;
  padding-bottom: 56px;
}

a {
  color: var(--primary-dark);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--primary);
  color: var(--on-primary);
  padding: 10px 18px;
  z-index: 100;
  border-radius: 0 0 8px 0;
}

.skip-link:focus {
  left: 0;
}

/* ---------- Шапка ---------- */
.site-header {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 6px 20px rgba(22, 36, 61, 0.05);
  position: sticky;
  top: 0;
  z-index: 20;
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 21px;
  letter-spacing: 0.5px;
  color: var(--foreground);
  text-decoration: none;
  text-transform: uppercase;
}

.brand-logo {
  height: 46px;
  width: 46px;
  object-fit: cover;
  border-radius: 8px;
  animation: logo-bob 4s ease-in-out infinite;
  transition: transform .4s cubic-bezier(.34, 1.56, .64, 1);
  will-change: transform;
}

.brand:hover .brand-logo {
  transform: rotate(-8deg) scale(1.12);
  animation-play-state: paused;
}

.brand .brand-way {
  color: var(--primary);
  transition: color .2s;
}

.brand:hover .brand-way {
  color: var(--accent);
}

@keyframes logo-bob {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  25% {
    transform: translateY(-3px) rotate(-2deg);
  }

  75% {
    transform: translateY(2px) rotate(2deg);
  }
}

/* десктоп: обёртка растворяется, центр-ссылки абсолютно по центру шапки */
.nav-links {
  display: contents;
}

.nav-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-center a {
  position: relative;
  text-decoration: none;
  font-weight: 600;
  color: var(--foreground);
  padding: 8px 16px;
  border-radius: 999px;
  transition: color .2s, background-color .2s;
}

.nav-center a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 5px;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width .25s ease;
}

.nav-center a:hover {
  color: var(--primary-dark);
  background: var(--muted);
}

.nav-center a:hover::after {
  width: 22px;
}

.nav-auth {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 6px;
}

.nav-btn {
  min-width: 122px;
}

.nav-toggle {
  display: none;
  font-size: 24px;
  background: none;
  border: none;
  color: var(--foreground);
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 8px;
}

/* ---------- меню пользователя ---------- */
.user-menu {
  position: relative;
}

.user-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: 2px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px 4px 4px;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  color: var(--foreground);
}

.user-btn {
  transition: border-color .2s, box-shadow .2s, transform .2s;
}

.user-btn:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(0, 112, 74, .18);
  transform: translateY(-1px);
}

.user-btn:hover .user-caret {
  color: var(--primary);
}

/* hover-подъём для кнопок входа/регистрации в шапке */
.nav-btn {
  box-shadow: 0 1px 2px rgba(30, 57, 50, .05);
}

.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 112, 74, .28);
}

.nav-btn:active {
  transform: translateY(0);
}

.user-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 800;
  font-size: 15px;
  flex-shrink: 0;
}

.user-avatar-lg {
  width: 46px;
  height: 46px;
  font-size: 20px;
}

.user-name {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-caret {
  font-size: 11px;
  color: var(--muted-foreground);
}

.user-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 230px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(30, 57, 50, .16);
  padding: 6px;
  z-index: 30;
}

.user-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  color: var(--foreground);
}

.user-dropdown a .ico {
  color: var(--muted-foreground);
}

.user-dropdown a:hover .ico {
  color: var(--primary);
}

.user-dropdown .user-logout .ico {
  color: var(--destructive);
}

.user-dropdown a:hover {
  background: var(--muted);
  color: var(--primary-dark);
}

.user-dropdown .user-logout {
  border-top: 1px solid var(--border);
  border-radius: 0 0 8px 8px;
  margin-top: 4px;
  color: var(--destructive);
}

/* ---------- Кнопки (Starbucks pill) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  padding: 11px 26px;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .15s, color .15s, border-color .15s,
    transform .18s, box-shadow .18s;
}

/* сплошная зелёная кнопка */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--on-primary);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background: var(--gradient-primary);
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 112, 74, 0.34);
}

/* белая pill на тёмном фоне (герой) */
.btn-accent {
  background: #ffffff;
  color: var(--primary);
  box-shadow: 0 8px 20px rgba(30, 57, 50, 0.22);
}

.btn-accent:hover {
  background: #D4E9E2;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(30, 57, 50, 0.28);
}

/* контурная кнопка в стиле Starbucks: тёмно-зелёная обводка, заливка тинтом */
.btn-outline {
  background: transparent;
  color: var(--foreground);
  border-color: var(--foreground);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--on-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: .55;
  cursor: not-allowed;
  transform: none;
  filter: none;
}

.btn-sm {
  padding: 6px 16px;
  font-size: 14px;
}

/* ---------- Герой ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #1E3932 0%, #006241 45%, #00754A 75%, #1E3932 100%);
  background-size: 200% 200%;
  animation: hero-shift 14s ease infinite;
  color: #D4E9E2;
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  margin-bottom: 40px;
}

/* мягкое световое пятно, «дышит» */
.hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255, 255, 255, .18), transparent 70%);
  border-radius: 50%;
  animation: hero-glow 9s ease-in-out infinite;
  pointer-events: none;
}

.hero>* {
  position: relative;
  z-index: 1;
}

@keyframes hero-shift {

  0%,
  100% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }
}

@keyframes hero-glow {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
    opacity: .8;
  }

  50% {
    transform: translate(-30px, 30px) scale(1.15);
    opacity: 1;
  }
}

.hero h1 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  margin: 0 0 14px;
  line-height: 1.15;
  color: #FFFFFF;
}

.hero p {
  font-size: 18px;
  max-width: 560px;
  margin: 0 0 26px;
}

.hero .btn-accent {
  font-size: 17px;
}

/* ---------- Карточки ---------- */
.grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card h3 {
  margin: 0;
  font-size: 19px;
  letter-spacing: -0.3px;
}

.card h3 a {
  text-decoration: none;
  color: var(--foreground);
}

.card h3 a:hover {
  color: var(--primary-dark);
}

.card .desc {
  color: var(--muted-foreground);
  font-size: 15px;
  flex: 1;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

/* ---------- карточка курса: чистая, image-first (в духе Starbucks) ---------- */
.course-card {
  padding-top: 0;
  overflow: hidden;
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

/* тонкая фирменная полоса сверху, «прорастает» при наведении */
.course-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
  z-index: 3;
  pointer-events: none;
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.course-card:hover::before {
  transform: scaleX(1);
}

.course-card .course-cover,
.course-card .course-cover-img {
  transition: transform .5s cubic-bezier(.22, 1, .36, 1);
}

.course-card:hover .course-cover,
.course-card:hover .course-cover-img {
  transform: scale(1.06);
}

.course-card:hover .course-cover .cover-icon {
  transform: scale(1.12) rotate(-4deg);
}

.cover-icon {
  transition: transform .35s cubic-bezier(.34, 1.56, .64, 1);
}

/* появление карточек (backwards: держит скрытое состояние только до старта,
   после анимации не мешает hover-трансформации) */
.card {
  animation: fade-up .5s ease backwards;
}

.grid .card:nth-child(2) {
  animation-delay: .06s;
}

.grid .card:nth-child(3) {
  animation-delay: .12s;
}

.grid .card:nth-child(4) {
  animation-delay: .18s;
}

.grid .card:nth-child(5) {
  animation-delay: .24s;
}

.grid .card:nth-child(6) {
  animation-delay: .3s;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.course-cover,
.course-cover-img {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 158px;
  margin: 0 -22px 10px;
  border-radius: 0;
}

.course-cover-img {
  width: calc(100% + 44px);
  object-fit: cover;
}

.cover-icon {
  font-size: 48px;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .35));
}

.cover-lang {
  color: #FFFFFF;
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, .45);
}

/* ---------- блок «О школе» ---------- */
.about-block {
  margin-top: 46px;
}

/* ---------- Блок преимуществ ---------- */
.features-block {
  margin: 40px 0 8px;
}

.features-grid {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--muted);
  color: var(--primary);
  margin-bottom: 4px;
}

.feature-icon .ico {
  width: 26px;
  height: 26px;
}

.feature-card h3 {
  margin: 0;
  font-size: 17.5px;
  letter-spacing: -0.3px;
}

.feature-card p {
  margin: 0;
  color: var(--muted-foreground);
  font-size: 14.5px;
  line-height: 1.55;
}

/* ---------- CTA-полоса ---------- */
.cta-band {
  margin: 52px 0 8px;
  background: var(--gradient-accent);
  border-radius: var(--radius-lg);
  padding: 40px 44px;
  color: #fff;
  box-shadow: var(--shadow-md);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-band h2 {
  margin: 0 0 6px;
  font-size: 26px;
  letter-spacing: -0.5px;
}

.cta-band p {
  margin: 0;
  color: #D4E9E2;
  max-width: 560px;
  font-size: 16px;
}

.cta-band .btn-accent {
  flex: none;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
  align-items: start;
}

.about-text {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px 30px;
  font-size: 16.5px;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ---------- менторы ---------- */
.mentors-block {
  margin-top: 46px;
}

.mentor-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px 22px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  animation: fade-up .5s ease backwards;
  transition: transform .3s cubic-bezier(.34, 1.56, .64, 1), box-shadow .3s;
}

.mentors-grid .mentor-card:nth-child(2) {
  animation-delay: .08s;
}

.mentors-grid .mentor-card:nth-child(3) {
  animation-delay: .16s;
}

.mentors-grid .mentor-card:nth-child(4) {
  animation-delay: .24s;
}

.mentor-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(30, 57, 50, .15);
}

.mentor-card h3 {
  margin: 4px 0 0;
  font-size: 18px;
  letter-spacing: -0.3px;
}

.mentor-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  color: #FFFFFF;
  font-weight: 800;
  font-size: 26px;
  letter-spacing: 1px;
  transition: transform .3s cubic-bezier(.34, 1.56, .64, 1);
}

.mentor-card:hover .mentor-avatar {
  transform: scale(1.08) rotate(-4deg);
}

.mentor-role {
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 14px;
  margin: 0;
}

.mentor-card .desc {
  margin: 0;
  font-size: 14.5px;
}

.badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: .2px;
}

.badge-level {
  background: var(--muted);
  color: var(--foreground);
}

.badge-lang {
  background: #D4E9E2;
  color: #1E40AF;
}

.badge-success {
  background: #DCFCE7;
  color: #166534;
}

.badge-pending {
  background: #FEF9C3;
  color: #854D0E;
}

.badge-danger {
  background: #FEE2E2;
  color: #991B1B;
}

/* ---------- Прогресс ---------- */
.progress-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.progress {
  flex: 1;
  height: 10px;
  background: var(--muted);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 999px;
  transition: width .5s cubic-bezier(.4, 0, .2, 1);
}

.progress-label {
  font-size: 13px;
  font-weight: 700;
  min-width: 38px;
  text-align: right;
}

/* ---------- Формы ---------- */
.form {
  max-width: 440px;
  margin: 0 auto;
}

.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  font: inherit;
  padding: 10px 14px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: #FFFFFF;
  color: var(--foreground);
}

.field input:focus,
.field textarea:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 112, 74, .2);
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.form-error {
  color: var(--destructive);
  font-weight: 600;
  margin: 10px 0;
}

.form-hint {
  color: var(--muted-foreground);
  font-size: 14px;
}

/* ---------- Страница курса ---------- */
.page-head {
  margin-bottom: 26px;
}

.page-head h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.8px;
  margin: 0 0 8px;
}

.module {
  margin-bottom: 22px;
}

.module h3 {
  font-size: 17px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted-foreground);
  margin: 0 0 10px;
}

.lesson-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lesson-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
}

.lesson-item a {
  flex: 1;
  text-decoration: none;
  font-weight: 600;
  color: var(--foreground);
}

.lesson-item a:hover {
  color: var(--primary-dark);
}

.lesson-status {
  font-size: 20px;
  width: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted-foreground);
}

.lesson-status .ico {
  width: 20px;
  height: 20px;
}

.lesson-status.is-done {
  color: var(--success);
}

.lesson-duration {
  color: var(--muted-foreground);
  font-size: 14px;
}

/* ---------- Урок: теория (markdown) ---------- */
.lesson-content {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 22px;
}

.md h2,
.md h3,
.md h4 {
  letter-spacing: -0.4px;
  margin: 26px 0 10px;
  line-height: 1.3;
}

.md h2 {
  font-size: 24px;
}

.md h3 {
  font-size: 20px;
}

.md h4 {
  font-size: 17px;
  color: var(--primary-dark);
}

.md h2:first-child,
.md h3:first-child {
  margin-top: 0;
}

.md p {
  margin: 10px 0;
}

.md ul,
.md ol {
  margin: 10px 0;
  padding-left: 26px;
}

.md li {
  margin: 5px 0;
}

.md code {
  background: var(--muted);
  color: var(--primary-dark);
  padding: 2px 6px;
  border-radius: 5px;
  font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  font-size: 14px;
}

.md blockquote {
  border-left: 4px solid var(--primary);
  background: var(--muted);
  margin: 14px 0;
  padding: 10px 18px;
  border-radius: 0 8px 8px 0;
}

.md blockquote p {
  margin: 4px 0;
}

.md hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 24px 0;
}

.md .table-wrap {
  margin: 14px 0;
}

/* блок кода в теории */
.code-block {
  background: #0F1B2D;
  border-radius: 10px;
  margin: 16px 0;
  overflow: hidden;
}

.code-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 14px;
  background: #1E3932;
  color: #7E9CC9;
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.code-try {
  font: inherit;
  font-size: 12.5px;
  font-weight: 700;
  color: #A9DBC9;
  background: rgba(0, 112, 74, .35);
  border: 1px solid rgba(96, 165, 250, .5);
  border-radius: 6px;
  padding: 3px 10px;
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
}

.code-try:hover {
  background: rgba(0, 112, 74, .6);
  color: #FFFFFF;
}

.code-block pre {
  margin: 0;
  padding: 14px 18px;
  overflow-x: auto;
}

.code-block code {
  font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  font-size: 14px;
  line-height: 1.55;
  color: #D4E9E2;
  background: none;
  padding: 0;
}

/* ---------- Эмулятор IDE ---------- */
.ide {
  background: #0F1B2D;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.ide-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: #1E3932;
}

.ide-dots {
  display: flex;
  gap: 6px;
}

.ide-dots i {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.ide-dots i:nth-child(1) {
  background: #EF4444;
}

.ide-dots i:nth-child(2) {
  background: #F59E0B;
}

.ide-dots i:nth-child(3) {
  background: #22C55E;
}

.ide-title {
  flex: 1;
  color: #93B4E4;
  font-size: 13.5px;
  font-weight: 600;
  font-family: 'JetBrains Mono', Consolas, monospace;
}

.ide-btns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ide-btn-light {
  border-color: #3B5A8A;
  color: #93B4E4;
}

.ide-btn-light:hover {
  background: #22355A;
  color: #FFFFFF;
}

.ide-editor-wrap {
  display: flex;
  border-bottom: 1px solid #22355A;
}

.ide-gutter {
  margin: 0;
  padding: 14px 10px 14px 16px;
  background: #0C1626;
  color: #3E5578;
  text-align: right;
  user-select: none;
  font-family: 'JetBrains Mono', Consolas, monospace;
  font-size: 14px;
  line-height: 1.55;
  min-width: 46px;
  overflow: hidden;
}

.ide-code {
  flex: 1;
  min-height: 240px;
  padding: 14px 16px;
  background: transparent;
  color: #E2ECFB;
  border: none;
  resize: vertical;
  font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  font-size: 14px;
  line-height: 1.55;
  white-space: pre;
  overflow-wrap: normal;
  overflow-x: auto;
  tab-size: 4;
}

.ide-code:focus {
  outline: none;
}

.ide-console {
  min-height: 96px;
  max-height: 260px;
  overflow-y: auto;
  padding: 12px 16px;
  font-family: 'JetBrains Mono', Consolas, monospace;
  font-size: 13.5px;
  line-height: 1.5;
  color: #A7F3D0;
  white-space: pre-wrap;
  word-break: break-word;
}

.ide-console .ide-err {
  color: #FCA5A5;
}

.ide-console .ide-warn {
  color: #FCD34D;
}

.ide-console .ide-muted {
  color: #64789B;
}

/* ---------- мини-терминал ---------- */
.term-out {
  min-height: 200px;
  max-height: 380px;
  border-bottom: 1px solid #22355A;
}

.term-out .term-cmd {
  color: #8FC9B0;
  font-weight: 600;
}

.term-line {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
}

.term-prompt {
  color: #34D399;
  font-family: 'JetBrains Mono', Consolas, monospace;
  font-size: 13.5px;
  font-weight: 700;
  white-space: nowrap;
}

.term-input {
  flex: 1;
  background: transparent;
  border: none;
  color: #E2ECFB;
  font-family: 'JetBrains Mono', Consolas, monospace;
  font-size: 13.5px;
  caret-color: #34D399;
}

.term-input:focus {
  outline: none;
}

/* ---------- Заблокированные модули ---------- */
.module-locked {
  opacity: .72;
}

.module-locked .lesson-item {
  background: var(--muted);
}

.lock-note {
  margin: 0 0 10px;
  padding: 8px 14px;
  background: #FEF9C3;
  color: #854D0E;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  display: inline-block;
}

.module-quiz-item {
  border-left: 4px solid var(--primary);
}

.lesson-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

/* ---------- Тест ---------- */
.question {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 16px;
}

.question p {
  font-weight: 700;
  margin: 0 0 12px;
}

.choice {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
}

.choice input {
  width: 20px;
  height: 20px;
  accent-color: var(--primary);
}

.quiz-result {
  text-align: center;
  padding: 36px;
}

.quiz-score {
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -2px;
}

/* ---------- Кабинет: боковое меню ---------- */
.dash-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 26px;
  align-items: start;
}

.dash-sidebar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 14px;
  position: sticky;
  top: 84px;
}

.dash-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 8px 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 10px;
}

.dash-user-name {
  font-weight: 800;
  letter-spacing: -0.3px;
}

.dash-user-mail {
  font-size: 13px;
  color: var(--muted-foreground);
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dash-menu {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dash-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  color: var(--foreground);
}

.dash-menu a:hover {
  background: var(--muted);
  color: var(--primary-dark);
}

.dash-menu a.active {
  background: var(--primary);
  color: var(--on-primary);
}

.dash-menu .dash-logout {
  margin-top: 8px;
  border-top: 1px solid var(--border);
  border-radius: 0 0 8px 8px;
  color: var(--destructive);
}

.dash-title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.6px;
  margin: 0 0 18px;
}

.dash-content {
  min-width: 0;
}

.dash-grid {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

/* ---------- Кабинет ---------- */
.dashboard-stats {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: 30px;
}

.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.stat .num {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary-dark);
  letter-spacing: -1px;
}

.stat .lbl {
  font-size: 14px;
  color: var(--muted-foreground);
  font-weight: 600;
}

.section-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 34px 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title::before {
  content: "";
  width: 5px;
  height: 1.05em;
  border-radius: 4px;
  background: var(--gradient-primary);
  flex: none;
}

.table-wrap {
  overflow-x: auto;
}

table.data {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

table.data th,
table.data td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

table.data th {
  background: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .6px;
}

table.data tr:last-child td {
  border-bottom: none;
}

/* ---------- Сертификат ---------- */
.cert-wrap {
  overflow-x: auto;
  padding-bottom: 8px;
}

.cert {
  position: relative;
  min-width: 860px;
  max-width: 980px;
  margin: 0 auto;
  padding: 26px;
  border-radius: 18px;
  background: linear-gradient(135deg, #0B1730 0%, #1E3932 45%, #006241 130%);
  box-shadow: 0 12px 40px rgba(30, 57, 50, .35);
}

.cert-inner {
  position: relative;
  background:
    radial-gradient(circle at 12% 40%, rgba(0, 112, 74, .06) 0 90px, transparent 91px),
    radial-gradient(circle at 88% 62%, rgba(124, 58, 237, .05) 0 110px, transparent 111px),
    #FBFDFF;
  border-radius: 10px;
  padding: 40px 48px 34px;
  text-align: center;
  overflow: hidden;
}

/* декоративные клинья по углам */
.cert-wedge {
  position: absolute;
  pointer-events: none;
}

.cert-wedge.w-tl {
  left: 0;
  top: 0;
  width: 130px;
  height: 130px;
  background: linear-gradient(135deg, #00A862, #006241);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  opacity: .16;
}

.cert-wedge.w-tr-gold {
  right: 0;
  top: 0;
  width: 190px;
  height: 150px;
  background: #E8B23A;
  clip-path: polygon(35% 0, 100% 0, 100% 55%);
}

.cert-wedge.w-tr {
  right: 0;
  top: 0;
  width: 175px;
  height: 135px;
  background: linear-gradient(215deg, #1E3932, #1E3FAE);
  clip-path: polygon(30% 0, 100% 0, 100% 60%);
}

.cert-wedge.w-bl-gold {
  left: 0;
  bottom: 0;
  width: 320px;
  height: 265px;
  background: #E8B23A;
  clip-path: polygon(0 22%, 0 100%, 80% 100%);
}

.cert-wedge.w-bl {
  left: 0;
  bottom: 0;
  width: 300px;
  height: 245px;
  background: linear-gradient(25deg, #0B1730, #1E3932 60%, #1E3FAE);
  clip-path: polygon(0 18%, 0 100%, 82% 100%);
}

.cert-wedge.w-br {
  right: 0;
  bottom: 0;
  width: 120px;
  height: 120px;
  background: #E8B23A;
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  opacity: .8;
}

.cert-motto {
  position: absolute;
  left: 26px;
  bottom: 30px;
  width: 190px;
  text-align: center;
  color: #FFFFFF;
  font-weight: 800;
  font-size: 14.5px;
  letter-spacing: .6px;
  line-height: 1.45;
}

.cert-motto .trophy {
  display: block;
  font-size: 40px;
  margin-bottom: 6px;
}

.cert-motto b {
  color: #F5C242;
}

.cert-brandmark {
  position: absolute;
  top: 26px;
  left: 34px;
  width: 130px;
}

.cert-brandmark img {
  width: 100%;
  height: auto;
}

.cert-langmark {
  position: absolute;
  top: 34px;
  right: 40px;
  font-size: 62px;
  line-height: 1;
  filter: drop-shadow(0 4px 8px rgba(30, 57, 50, .3));
}

.cert-pill {
  display: inline-block;
  background: linear-gradient(90deg, #1E3FAE, #6D28D9);
  color: #FFFFFF;
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  padding: 10px 30px;
  border-radius: 999px;
  margin-top: 4px;
}

.cert-title {
  margin: 16px 0 4px;
  font-size: 66px;
  font-weight: 800;
  letter-spacing: 3px;
  color: #1E3932;
  line-height: 1.05;
}

.cert-sub {
  color: #00704A;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 6px;
  text-transform: uppercase;
  margin-bottom: 26px;
}

.cert-sub::before,
.cert-sub::after {
  content: "———";
  color: #E8B23A;
  letter-spacing: -2px;
  margin: 0 14px;
}

.cert-confirm {
  font-size: 19px;
  color: #33415C;
  margin: 6px 0;
}

.cert-name-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  margin: 4px 0 0;
}

.laurel {
  width: 42px;
  height: 92px;
  flex: none;
}

.laurel.right {
  transform: scaleX(-1);
}

.cert-name {
  font-size: 58px;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(90deg, #00704A, #7C3AED);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
  max-width: 560px;
}

.cert-star {
  color: #E8B23A;
  font-size: 20px;
  margin: 2px 0 6px;
}

.cert-ribbon {
  position: relative;
  display: inline-block;
  margin: 12px 0 6px;
  z-index: 1;
}

.cert-ribbon .rb {
  position: relative;
  display: inline-block;
  background: linear-gradient(90deg, #00704A, #6D28D9);
  color: #FFFFFF;
  font-size: 32px;
  font-weight: 800;
  padding: 15px 52px;
  border-radius: 8px;
  box-shadow: 0 8px 22px rgba(0, 112, 74, .35);
  z-index: 2;
}

.cert-ribbon::before,
.cert-ribbon::after {
  content: "";
  position: absolute;
  top: 12px;
  width: 52px;
  height: 100%;
  background: #1E3FAE;
  z-index: 0;
}

.cert-ribbon::before {
  left: -34px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 16px 50%);
}

.cert-ribbon::after {
  right: -34px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 16px) 50%, 100% 100%, 0 100%);
}

.cert-bottom {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 34px;
  margin-top: 36px;
  padding-left: 210px;
  /* место под девиз в тёмном клине */
  text-align: left;
  z-index: 1;
}

.cert-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 16.5px;
  font-weight: 600;
  color: #1E3932;
}

.cert-info .row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cert-info .cert-ico {
  color: var(--gold, #CBA258);
  width: 20px;
  height: 20px;
}

.cert-langmark .ico {
  width: 1em;
  height: 1em;
}

.cert-info .ico {
  width: 36px;
  height: 36px;
  flex: none;
  border-radius: 50%;
  background: linear-gradient(135deg, #00704A, #7C3AED);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
}

.cert-sign {
  text-align: center;
  border-left: 1px solid #CBD5E1;
  padding-left: 34px;
}

.cert-sign .script {
  font-family: 'Great Vibes', 'Marck Script', cursive;
  font-size: 44px;
  line-height: 1;
  color: #1E3932;
  padding: 0 10px 2px;
  border-bottom: 2px solid #94A3B8;
  white-space: nowrap;
}

.cert-sign .who {
  font-weight: 800;
  font-size: 17px;
  margin-top: 8px;
}

.cert-sign .role {
  color: #56657F;
  font-size: 13.5px;
  line-height: 1.35;
}

.cert-seal {
  width: 132px;
  height: 132px;
  flex: none;
  filter: drop-shadow(0 6px 14px rgba(30, 57, 50, .3));
}

/* ---------- Прочее ---------- */
.loading {
  color: var(--muted-foreground);
  text-align: center;
  padding: 40px 0;
}

.empty {
  text-align: center;
  color: var(--muted-foreground);
  padding: 36px;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--foreground);
  color: #FFFFFF;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  z-index: 50;
}

.searchbar {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}

.searchbar input {
  flex: 1;
  font: inherit;
  padding: 11px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
}

.site-footer {
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 22px 0;
  color: var(--muted-foreground);
  font-size: 14px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-grid p {
  margin: 4px 0;
}

.footer-brand {
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.5px;
  color: var(--foreground);
}

.footer-social-title {
  font-weight: 700;
  color: var(--foreground);
}

.social-row {
  display: flex;
  gap: 10px;
}

.social-row a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--muted);
  color: var(--primary-dark);
  transition: background-color .15s, color .15s;
}

.social-row a:hover {
  background: var(--primary);
  color: var(--on-primary);
}

.social-row svg {
  width: 20px;
  height: 20px;
}

/* ---------- адаптивность ---------- */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .dash-layout {
    grid-template-columns: 1fr;
  }

  .dash-sidebar {
    position: static;
  }

  .dash-user {
    display: none;
  }

  .dash-menu {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }

  .dash-menu a {
    padding: 8px 12px;
    font-size: 14px;
  }

  .dash-menu .dash-logout {
    margin-top: 0;
    border-top: none;
  }
}

@media (max-width: 820px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 24px rgba(30, 57, 50, .12);
    padding: 8px 16px 16px;
    z-index: 25;
  }

  .nav-links.open {
    display: flex;
  }

  /* центр-ссылки в мобильном меню — обычным столбцом */
  .nav-center {
    position: static;
    transform: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .nav-center a {
    padding: 12px 8px;
    border-radius: 8px;
    border-bottom: 1px solid var(--border);
  }

  .nav-center a::after {
    display: none;
  }

  .nav-auth {
    margin: 12px 0 0;
    flex-direction: column;
    align-items: stretch;
  }

  .nav-btn {
    min-width: 0;
    width: 100%;
  }

  .user-menu {
    width: 100%;
  }

  .user-btn {
    width: 100%;
    justify-content: flex-start;
  }

  .user-dropdown {
    position: static;
    margin-top: 8px;
    box-shadow: none;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 36px 24px;
  }

  .hero h1 {
    font-size: 28px;
  }

  .hero p {
    font-size: 16px;
  }

  main.container {
    padding-top: 20px;
  }

  .section-title {
    font-size: 20px;
  }

  .lesson-content {
    padding: 20px;
  }

  .about-text {
    padding: 20px;
    font-size: 15.5px;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  .dashboard-stats {
    grid-template-columns: 1fr 1fr;
  }

  .ide-head {
    flex-wrap: wrap;
  }

  .ide-btns {
    width: 100%;
  }

  .ide-btns .btn {
    flex: 1;
  }

  .quiz-score {
    font-size: 40px;
  }

  .certificate {
    padding: 30px 18px;
  }

  .footer-grid {
    flex-direction: column;
  }
}

/* ---------- Печать сертификата: один лист A4, альбомная ориентация ---------- */
@page {
  size: A4 landscape;
  margin: 0;
}

@media print {

  .site-header,
  .site-footer,
  .toast,
  .no-print {
    display: none !important;
  }

  html,
  body {
    background: #FFFFFF;
    margin: 0;
    padding: 0;
  }

  main.container {
    max-width: none;
    width: auto;
    margin: 0;
    padding: 0 !important;
  }

  .cert-wrap {
    overflow: visible;
    padding: 0;
  }

  /* сертификат = ровно один лист: 279×192мм + поля 9мм сверху и по бокам */
  .cert {
    width: 279mm;
    height: 192mm;
    min-width: 0;
    max-width: none;
    margin: 9mm auto 0;
    padding: 6mm;
    border-radius: 0;
    box-shadow: none;
    break-inside: avoid;
    page-break-inside: avoid;
    page-break-after: avoid;
  }

  .cert-inner {
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 24px 40px 20px;
  }

  /* компактная типографика, чтобы всё гарантированно поместилось без наложений */
  .cert-pill {
    font-size: 12px;
    padding: 8px 24px;
  }

  .cert-title {
    font-size: 52px;
    margin: 12px 0 4px;
  }

  .cert-sub {
    font-size: 14px;
    margin-bottom: 14px;
  }

  .cert-confirm {
    font-size: 16px;
    margin: 4px 0;
  }

  .cert-name-row {
    gap: 18px;
  }

  .cert-name {
    font-size: 44px;
  }

  .laurel {
    width: 34px;
    height: 74px;
  }

  .cert-star {
    font-size: 16px;
    margin: 2px 0 4px;
  }

  .cert-ribbon {
    margin: 8px 0 4px;
  }

  .cert-ribbon .rb {
    font-size: 25px;
    padding: 12px 44px;
  }

  /* нижний блок прижат к низу листа, мотто в тёмном клине не пересекается с ним */
  .cert-bottom {
    margin-top: auto;
    padding-top: 14px;
    gap: 26px;
  }

  .cert-info {
    font-size: 14px;
    gap: 8px;
  }

  .cert-info .ico {
    width: 30px;
    height: 30px;
    font-size: 14px;
  }

  .cert-seal {
    width: 108px;
    height: 108px;
  }

  .cert-sign {
    padding-left: 26px;
  }

  .cert-sign .script {
    font-size: 34px;
  }

  .cert-sign .who {
    font-size: 15px;
    margin-top: 6px;
  }

  .cert-sign .role {
    font-size: 12.5px;
  }

  .cert-brandmark {
    width: 110px;
    top: 22px;
    left: 28px;
  }

  .cert-langmark {
    font-size: 50px;
    top: 28px;
    right: 34px;
  }

  .cert-motto {
    width: 170px;
    left: 22px;
    bottom: 24px;
    font-size: 13px;
  }

  .cert-motto .trophy {
    font-size: 32px;
    margin-bottom: 4px;
  }

  .cert,
  .cert * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
}