/* ─────────────────────────────────────────────────────────────
   Ingliz tili darslari — Landing + Single article styles
   Pattern: app.css ning CSS o'zgaruvchilarini qayta ishlatadi
   ───────────────────────────────────────────────────────────── */

/* ═════════════════════════════════════════════════════════════
   LANDING SAHIFA (/darslar)
   ═════════════════════════════════════════════════════════════ */

.dl-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 8px 0 48px;
}

/* Hero */
.dl-hero {
  position: relative;
  padding: 36px 32px 32px;
  margin-bottom: 28px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  border-radius: var(--r3);
  color: #fff;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(22, 163, 74, .22);
}
.dl-hero::before {
  content: '';
  position: absolute;
  top: -40%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,.15) 0%, transparent 70%);
  pointer-events: none;
}
.dl-hero::after {
  content: '🇬🇧';
  position: absolute;
  right: 36px; top: 32px;
  font-size: 5rem;
  opacity: .18;
  pointer-events: none;
}
.dl-hero-eyebrow {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(255,255,255,.2);
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 14px;
  backdrop-filter: blur(6px);
}
.dl-hero h1 {
  font: 900 2.3rem/1.15 var(--font2);
  letter-spacing: -.03em;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.dl-hero p {
  font-size: 1rem;
  line-height: 1.65;
  max-width: 620px;
  opacity: .95;
  position: relative;
  z-index: 1;
}
.dl-hero-stats {
  display: flex;
  gap: 24px;
  margin-top: 22px;
  position: relative;
  z-index: 1;
}
.dl-hero-stats > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.dl-hero-stats strong {
  font: 900 1.6rem var(--font2);
  line-height: 1;
}
.dl-hero-stats span {
  font-size: .78rem;
  opacity: .85;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.dl-credit {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.18);
  font-size: .8rem;
  opacity: .85;
  position: relative;
  z-index: 1;
}
.dl-credit a {
  color: #fff;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.dl-credit a:hover { opacity: .85; color: #fff; }

/* Groups grid */
.dl-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.dl-group {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 20px;
  transition: box-shadow .2s, transform .2s;
  position: relative;
  overflow: hidden;
}
.dl-group::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--group-color, var(--accent));
}
.dl-group:hover {
  box-shadow: var(--shadow2);
  transform: translateY(-2px);
}

/* Color variants */
.dl-group--blue   { --group-color: linear-gradient(90deg, #2563eb, #3b82f6); }
.dl-group--green  { --group-color: linear-gradient(90deg, #16a34a, #22c55e); }
.dl-group--orange { --group-color: linear-gradient(90deg, #ea580c, #fb923c); }
.dl-group--red    { --group-color: linear-gradient(90deg, #dc2626, #ef4444); }
.dl-group--purple { --group-color: linear-gradient(90deg, #7c3aed, #a855f7); }
.dl-group--teal   { --group-color: linear-gradient(90deg, #0d9488, #14b8a6); }

.dl-group-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border);
}
.dl-group-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  background: var(--bg2);
  border-radius: 12px;
  flex-shrink: 0;
}
.dl-group-head h2 {
  font: 800 1.05rem/1.2 var(--font2);
  color: var(--text);
  margin: 0 0 2px;
  letter-spacing: -.01em;
}
.dl-group-count {
  font-size: .76rem;
  color: var(--text3);
  font-weight: 600;
}

/* Lessons list */
.dl-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.dl-list li { margin: 0; }
.dl-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 10px;
  border-radius: 9px;
  color: var(--text2);
  text-decoration: none;
  font-size: .885rem;
  line-height: 1.4;
  transition: background .15s, color .15s, transform .15s;
}
.dl-list a:hover {
  background: var(--bg2);
  color: var(--text);
}
.dl-list a:hover .dl-arrow { opacity: 1; transform: translateX(2px); }

.dl-num {
  flex-shrink: 0;
  width: 28px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accentbg);
  color: var(--accent2);
  border-radius: 6px;
  font: 700 .72rem var(--font);
  font-variant-numeric: tabular-nums;
}
.dl-title { flex: 1; font-weight: 500; }
.dl-arrow {
  flex-shrink: 0;
  color: var(--text4);
  opacity: 0;
  transition: opacity .15s, transform .15s;
}

/* ═════════════════════════════════════════════════════════════
   DARS SAHIFASI (/darslar/{slug})
   ═════════════════════════════════════════════════════════════ */

.dl-article {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 4px 30px;
}

.dl-article-head {
  padding: 28px 0 22px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.dl-article-eyebrow {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accentbg);
  color: var(--accent2);
  border-radius: 20px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.dl-article-head h1 {
  font: 900 2rem/1.2 var(--font2);
  color: var(--text);
  letter-spacing: -.02em;
  margin-bottom: 14px;
}
.dl-article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: .85rem;
  color: var(--text3);
  flex-wrap: wrap;
}
.dl-article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.dl-article-src {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}
.dl-article-src:hover { color: var(--accent2); text-decoration: underline; }

/* Article content typography (hasanboy.uz HTML mazmuni) */
.dl-article-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text2);
}
.dl-article-content h2,
.dl-article-content h3,
.dl-article-content h4 {
  font-family: var(--font2);
  color: var(--text);
  letter-spacing: -.01em;
  margin: 32px 0 14px;
  line-height: 1.3;
}
.dl-article-content h2 { font-size: 1.5rem; font-weight: 800; }
.dl-article-content h3 { font-size: 1.2rem; font-weight: 800; }
.dl-article-content h4 { font-size: 1.05rem; font-weight: 700; }

.dl-article-content p { margin: 0 0 16px; }
.dl-article-content strong, .dl-article-content b { color: var(--text); font-weight: 700; }
.dl-article-content em, .dl-article-content i { font-style: italic; color: var(--text2); }

.dl-article-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  word-break: break-word;
}
.dl-article-content a:hover { color: var(--accent2); text-decoration-thickness: 2px; }

.dl-article-content ul,
.dl-article-content ol {
  margin: 0 0 18px;
  padding-left: 26px;
}
.dl-article-content li { margin: 6px 0; }

.dl-article-content blockquote {
  margin: 20px 0;
  padding: 14px 20px;
  background: var(--bg2);
  border-left: 4px solid var(--accent);
  border-radius: 0 10px 10px 0;
  color: var(--text2);
  font-style: italic;
}

.dl-article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: .92rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.dl-article-content th,
.dl-article-content td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
}
.dl-article-content th:last-child,
.dl-article-content td:last-child { border-right: none; }
.dl-article-content tr:last-child td { border-bottom: none; }
.dl-article-content thead { background: var(--bg2); }
.dl-article-content th { font-weight: 700; color: var(--text); }
.dl-article-content tbody tr:hover { background: var(--bg2); }

.dl-article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin: 14px 0;
  display: block;
}
.dl-article-content figure {
  margin: 20px 0;
}
.dl-article-content figcaption {
  font-size: .82rem;
  color: var(--text3);
  text-align: center;
  margin-top: 6px;
  font-style: italic;
}

.dl-article-content code {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 5px;
  font-family: 'SF Mono', Consolas, monospace;
  font-size: .9em;
  color: var(--red);
}

.dl-article-content pre {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 14px 16px;
  border-radius: 10px;
  overflow-x: auto;
  margin: 16px 0;
}
.dl-article-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
}

.dl-article-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 28px 0;
}

/* Pager (oldingi/keyingi dars) */
.dl-pager {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  align-items: stretch;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.dl-pager-btn {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  transition: border-color .15s, background .15s, transform .15s;
  line-height: 1.3;
}
.dl-pager-btn:hover {
  border-color: var(--accent);
  background: var(--accentbg);
  transform: translateY(-2px);
}
.dl-pager-prev { align-items: flex-start; }
.dl-pager-next { align-items: flex-end; text-align: right; }
.dl-pager-dir {
  font-size: .72rem;
  font-weight: 700;
  color: var(--accent2);
  text-transform: uppercase;
  letter-spacing: .05em;
}
.dl-pager-title {
  font-size: .92rem;
  font-weight: 600;
  color: var(--text);
}
.dl-pager-home {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  font-size: 1.4rem;
  color: var(--text3);
  font-weight: 700;
}

/* Error state */
.dl-error {
  max-width: 480px;
  margin: 40px auto;
  text-align: center;
  padding: 40px 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r2);
}
.dl-error-icon { font-size: 3.5rem; margin-bottom: 12px; }
.dl-error h1 { font: 800 1.4rem var(--font2); color: var(--text); margin-bottom: 10px; }
.dl-error p { color: var(--text3); margin-bottom: 20px; }
.dl-error-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ═════════════════════════════════════════════════════════════
   RESPONSIVE
   ═════════════════════════════════════════════════════════════ */

@media (max-width: 960px) {
  .dl-groups { grid-template-columns: 1fr; }
  .dl-hero h1 { font-size: 1.9rem; }
  .dl-hero::after { font-size: 3.5rem; right: 20px; top: 20px; }
}

@media (max-width: 640px) {
  .dl-hero {
    padding: 26px 20px 22px;
    border-radius: var(--r2);
  }
  .dl-hero h1 { font-size: 1.55rem; }
  .dl-hero p { font-size: .92rem; }
  .dl-hero-stats { gap: 18px; }
  .dl-hero-stats strong { font-size: 1.3rem; }
  .dl-hero::after { display: none; }

  .dl-group { padding: 16px; }
  .dl-group-head h2 { font-size: .98rem; }

  .dl-article-head h1 { font-size: 1.55rem; }
  .dl-article-content { font-size: .96rem; }
  .dl-article-content h2 { font-size: 1.25rem; }
  .dl-article-content h3 { font-size: 1.08rem; }

  .dl-pager {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .dl-pager-prev, .dl-pager-next { align-items: flex-start; text-align: left; }
  .dl-pager-home { order: 99; }
}

/* ═════════════════════════════════════════════════════════════
   DARK MODE
   ═════════════════════════════════════════════════════════════ */

html[data-theme="dark"] .dl-hero {
  box-shadow: 0 8px 32px rgba(0, 0, 0, .5);
}
html[data-theme="dark"] .dl-num {
  background: rgba(22,163,74,.18);
  color: #86efac;
}
html[data-theme="dark"] .dl-article-content code {
  background: rgba(220, 38, 38, .12);
  color: #fca5a5;
  border-color: rgba(220, 38, 38, .25);
}
html[data-theme="dark"] .dl-article-content blockquote {
  background: rgba(22, 163, 74, .08);
}
html[data-theme="dark"] .dl-pager-btn:hover {
  background: rgba(22, 163, 74, .12);
}