/* ===== FONTS & ROOT ===== */
:root {
  --bg: #0d1f0d;
  --bg2: #122412;
  --bg3: #1a311a;
  --gold: #c9a84c;
  --gold2: #e8c76a;
  --text: #e8e0d0;
  --text2: #b8b0a0;
  --en-text: #d8e8d8;
  --border: #2a4a2a;
  --card-bg: #152815;
  --card-hover: #1e3a1e;
  --btn-bg: #c9a84c;
  --btn-text: #0d1f0d;
  --notes-bg: #0a1a0a;
  --radius: 10px;
}

[data-theme="light"] {
  --bg: #f5f0e8;
  --bg2: #ece6d8;
  --bg3: #e0d8c8;
  --gold: #8a6a1a;
  --gold2: #a07820;
  --text: #1a1a0a;
  --text2: #4a4a3a;
  --en-text: #1a2a1a;
  --border: #c8c0a8;
  --card-bg: #ede6d4;
  --card-hover: #e0d8c8;
  --btn-text: #fff;
  --notes-bg: #f8f4ec;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: 'Noto Nastaliq Urdu', serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  max-width: 100vw;
  line-height: 2;
  font-size: 16px;
}

/* ===== HEADER ===== */
header {
  background: var(--bg2);
  border-bottom: 2px solid var(--gold);
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 64px;
  flex-wrap: wrap;
}

.site-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

.site-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gold);
}

.site-sub {
  font-size: 0.75rem;
  color: var(--text2);
  font-family: 'Lora', serif;
  direction: ltr;
}

.back-link {
  color: var(--gold);
  text-decoration: none;
  font-size: 0.9rem;
  white-space: nowrap;
}

.back-link:hover { color: var(--gold2); }

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--text);
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--bg2), var(--bg3));
  border-bottom: 1px solid var(--border);
  padding: 48px 20px 40px;
  text-align: center;
}

.hero-inner { max-width: 700px; margin: 0 auto; }

.hero h1 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  color: var(--gold);
  margin-bottom: 12px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.hero-desc {
  font-size: 1rem;
  color: var(--text2);
  margin-bottom: 8px;
}

.hero-note {
  font-size: 0.85rem;
  color: var(--gold);
  opacity: 0.7;
}

/* ===== LESSONS GRID ===== */
.lessons-section {
  max-width: 1100px;
  margin: 40px auto;
  padding: 0 20px;
}

.section-heading {
  font-size: 1.3rem;
  color: var(--gold);
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.lessons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.lesson-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 0.2s, border-color 0.2s;
}

.lesson-card.published {
  border-color: var(--gold);
  cursor: pointer;
}

.lesson-card.published:hover {
  transform: translateY(-2px);
  background: var(--card-hover);
}

.lesson-card.locked {
  opacity: 0.6;
}

.lesson-num {
  font-size: 0.8rem;
  color: var(--gold);
  font-weight: 700;
}

.lesson-title-ur {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.8;
}

.lesson-title-en {
  font-size: 0.8rem;
  color: var(--text2);
  font-family: 'Lora', serif;
  direction: ltr;
  text-align: left;
}

.read-btn {
  display: inline-block;
  margin-top: 10px;
  background: var(--gold);
  color: var(--btn-text);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  align-self: flex-start;
  transition: background 0.2s;
}

.read-btn:hover { background: var(--gold2); }

.coming-soon {
  display: inline-block;
  margin-top: 10px;
  color: var(--text2);
  font-size: 0.8rem;
  font-style: italic;
}

/* ===== LESSON PAGE ===== */
.lesson-main {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

.lesson-header {
  text-align: center;
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.lesson-num-big {
  font-size: 0.9rem;
  color: var(--gold);
  margin-bottom: 6px;
}

.lesson-title-big {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  color: var(--gold);
  line-height: 1.6;
  margin-bottom: 8px;
}

.lesson-title-en-big {
  font-size: 0.95rem;
  color: var(--text2);
  font-family: 'Lora', serif;
  direction: ltr;
}

/* ===== PARAGRAPH BLOCKS ===== */
.para-block {
  margin-bottom: 32px;
  border-right: 3px solid var(--border);
  padding-right: 16px;
}

.para-en {
  font-family: 'Lora', serif;
  font-size: 0.95rem;
  color: var(--en-text);
  direction: ltr;
  text-align: left;
  line-height: 1.8;
  margin-bottom: 10px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.03);
  border-radius: 6px;
  border-left: 3px solid var(--border);
}

[data-theme="light"] .para-en {
  background: rgba(0,0,0,0.04);
}

.para-ur {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 2.2;
  padding: 10px 0;
}

/* ===== SUMMARY ===== */
.summary-block {
  background: var(--bg3);
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  padding: 24px;
  margin: 36px 0;
}

.summary-heading {
  font-size: 1.1rem;
  color: var(--gold);
  margin-bottom: 12px;
}

.summary-text {
  font-size: 1rem;
  color: var(--text);
  line-height: 2.1;
}

/* ===== NOTES ===== */
.notes-block {
  background: var(--notes-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin: 36px 0;
}

.notes-heading {
  font-size: 1.1rem;
  color: var(--gold);
  margin-bottom: 6px;
}

.notes-hint {
  font-size: 0.82rem;
  color: var(--text2);
  margin-bottom: 12px;
}

.notes-area {
  width: 100%;
  min-height: 140px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: 'Noto Nastaliq Urdu', serif;
  font-size: 1rem;
  padding: 12px;
  resize: vertical;
  direction: rtl;
  line-height: 2;
}

.notes-area:focus {
  outline: none;
  border-color: var(--gold);
}

.notes-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}

.save-btn {
  background: var(--gold);
  color: var(--btn-text);
  border: none;
  border-radius: 6px;
  padding: 8px 18px;
  font-size: 0.9rem;
  font-family: 'Noto Nastaliq Urdu', serif;
  cursor: pointer;
  font-weight: 700;
  transition: background 0.2s;
}

.save-btn:hover { background: var(--gold2); }

.save-status {
  font-size: 0.85rem;
  color: #6c6;
}

/* ===== LESSON NAV ===== */
.lesson-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.nav-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--gold);
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-family: 'Noto Nastaliq Urdu', serif;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.nav-btn:hover:not(:disabled) {
  background: var(--card-hover);
  border-color: var(--gold);
}

.nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.not-ready {
  text-align: center;
  color: var(--text2);
  padding: 48px 0;
  font-size: 1rem;
}

/* ===== FOOTER ===== */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 16px;
  font-size: 0.85rem;
  color: var(--text2);
}

footer a {
  color: var(--gold);
  text-decoration: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .header-inner { min-height: 54px; }
  .site-title { font-size: 1.1rem; }
  .hero { padding: 32px 16px 28px; }
  .lessons-grid { grid-template-columns: 1fr; }
  .lesson-card { padding: 16px; }
  .lesson-main { padding: 24px 16px 48px; }
  .para-en { font-size: 0.88rem; }
  .lesson-nav { justify-content: center; }
  .nav-btn { flex: 1; text-align: center; }
}