@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;1,700&family=Inter:wght@400;500;600;700&family=Nunito:wght@700;800;900&display=swap');

:root {
  --pink-50: #fff0f5;
  --pink-100: #ffd6e7;
  --pink-200: #ffadd1;
  --pink-300: #ff80b9;
  --pink-400: #f855a0;
  --pink-500: #e0397f;
  --milk: #fff8f0;
  --milk-2: #fdf0f5;
  --cream: #fce8f0;
  --rose: #f7c5d8;
  --rose-dark: #e8a0c0;
  --text: #3d1a2e;
  --text-muted: #a0607a;
  --white: #ffffff;
  --radius: 20px;
  --shadow-soft: 0 8px 40px rgba(232, 120, 170, 0.15);
  --shadow-card: 0 4px 24px rgba(232, 120, 170, 0.12);
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--milk);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── HEART SPLASH ── */
#heart-splash {
  position: fixed;
  inset: 0;
  background: linear-gradient(160deg, #fff0f6 0%, #fce8ef 50%, #fff4f0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.7s ease 0.2s;
}
#heart-splash.fade-out { opacity: 0; pointer-events: none; }

.heart-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.heart-svg {
  width: 0;
  height: 0;
  animation: heartGrow 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.1s forwards;
}

@keyframes heartGrow {
  0%   { width: 0; height: 0; opacity: 0; }
  60%  { width: 340px; height: 340px; opacity: 1; }
  80%  { width: 310px; height: 310px; }
  100% { width: 330px; height: 330px; opacity: 1; }
}

.heart-text {
  position: absolute;
  text-align: center;
  opacity: 0;
  animation: fadeInText 0.6s ease 0.85s forwards;
}
.heart-text .line1 {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 1.35rem;
  color: #fff;
  display: block;
  margin-bottom: 4px;
  text-shadow: 0 2px 12px rgba(180,60,100,0.3);
}
.heart-text .line2 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.7rem;
  color: #fff;
  display: block;
  text-shadow: 0 2px 16px rgba(180,60,100,0.3);
}

@keyframes fadeInText {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.heart-petals {
  position: absolute;
  inset: -60px;
  pointer-events: none;
}
.petal {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50% 0 50% 0;
  opacity: 0;
  animation: petalFly 1.4s ease forwards;
}
@keyframes petalFly {
  0%   { opacity: 0; transform: translate(0,0) scale(0) rotate(0deg); }
  30%  { opacity: 1; }
  100% { opacity: 0; transform: translate(var(--tx), var(--ty)) scale(1) rotate(var(--rot)); }
}

/* ── LOGIN PAGE ── */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
  z-index: 1;
}
.login-card {
  background: var(--white);
  border-radius: 28px;
  border: 1.5px solid var(--rose);
  box-shadow: 0 20px 60px rgba(200,80,140,0.15);
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
  animation: scaleIn 0.5s cubic-bezier(0.34,1.3,0.64,1) both;
}
.login-hearts { font-size: 2.4rem; margin-bottom: 12px; animation: heartbeat 2s ease-in-out infinite; }
.login-title {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.2;
}
.login-title em { color: var(--pink-500); }
.login-sub { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 32px; line-height: 1.6; }

.login-form { text-align: left; }
.field-wrap { margin-bottom: 16px; position: relative; }
.field-label { display: block; font-size: 0.8rem; font-weight: 700; color: var(--text-muted); margin-bottom: 7px; text-transform: uppercase; letter-spacing: 0.06em; }
.field-input {
  width: 100%; padding: 14px 18px;
  border: 1.5px solid var(--cream);
  border-radius: 14px;
  font-size: 0.97rem;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--milk);
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s;
}
.field-input:focus { border-color: var(--pink-300); box-shadow: 0 0 0 3px rgba(255,128,185,0.15); }
.eye-btn {
  position: absolute; right: 14px; bottom: 14px;
  background: none; border: none; cursor: pointer; font-size: 1rem; opacity: 0.5;
  transition: opacity 0.18s;
}
.eye-btn:hover { opacity: 1; }
.login-error { color: var(--pink-500); font-size: 0.84rem; font-weight: 600; min-height: 20px; margin-bottom: 6px; }
.login-btn {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, var(--pink-300), var(--pink-500));
  color: white;
  border: none;
  border-radius: 14px;
  font-size: 1rem;
  font-weight: 800;
  font-family: 'Nunito', sans-serif;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(224,57,127,0.3);
  transition: all 0.22s cubic-bezier(0.34,1.3,0.64,1);
  margin-top: 8px;
}
.login-btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(224,57,127,0.4); }
.login-btn:disabled { opacity: 0.6; cursor: default; transform: none; }

/* ── LOGOUT BTN ── */
.logout-btn {
  background: none;
  border: 1.5px solid var(--rose);
  border-radius: 999px;
  padding: 5px 13px;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.18s;
}
.logout-btn:hover { background: var(--pink-50); color: var(--pink-500); border-color: var(--pink-300); }

/* ── SYNC BAR ── */
.sync-bar {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--white);
  border: 1.5px solid var(--rose);
  border-radius: 999px;
  padding: 8px 20px;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--pink-500);
  box-shadow: 0 4px 20px rgba(200,80,140,0.15);
  z-index: 500;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}
.sync-bar.visible { opacity: 1; transform: translateY(0); }

/* ── ENTRY ANIMATIONS ── */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

.hero       { animation: slideUp 0.7s cubic-bezier(0.34,1.2,0.64,1) 0.1s both; }
.section-title { animation: fadeIn 0.6s ease 0.3s both; }
.module     { animation: slideUp 0.6s cubic-bezier(0.34,1.2,0.64,1) both; }
.module:nth-child(1) { animation-delay: 0.35s; }
.module:nth-child(2) { animation-delay: 0.45s; }
.module:nth-child(3) { animation-delay: 0.55s; }
.module:nth-child(4) { animation-delay: 0.65s; }
.module:nth-child(5) { animation-delay: 0.75s; }
.module:nth-child(6) { animation-delay: 0.85s; }
.module:nth-child(7) { animation-delay: 0.95s; }

/* ── HEADER ── */
.header {
  background: rgba(255, 248, 250, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rose);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header .container { display: flex; align-items: center; justify-content: space-between; }

.logo {
  font-family: 'Nunito', sans-serif;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--pink-500);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-heart { font-size: 1.4rem; animation: heartbeat 2s ease-in-out infinite; }
@keyframes heartbeat {
  0%,100% { transform: scale(1); }
  14%      { transform: scale(1.2); }
  28%      { transform: scale(1); }
  42%      { transform: scale(1.15); }
  56%      { transform: scale(1); }
}

.header-right { display: flex; gap: 10px; align-items: center; }
.xp-badge, .streak-badge {
  padding: 6px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.87rem;
  border: 1.5px solid var(--rose);
}
.xp-badge { background: var(--pink-50); color: var(--pink-500); }
.streak-badge { background: #fff4e8; color: #c47a1e; border-color: #f5d09a; }

/* ── CONTAINER ── */
.container { max-width: 920px; margin: 0 auto; padding: 0 20px; }
.main { padding: 48px 0 80px; }

/* ── HERO ── */
.hero {
  background: linear-gradient(135deg, #ffe0ee 0%, #ffc8df 40%, #ffdee8 100%);
  border-radius: 28px;
  padding: 44px 44px;
  margin-bottom: 52px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  position: relative;
  overflow: hidden;
  border: 1.5px solid var(--rose);
}
.hero::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.35) 0%, transparent 70%);
  top: -60px;
  right: 60px;
  pointer-events: none;
}

.hero-text h1 {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.25;
}
.hero-text h1 em { font-style: italic; color: var(--pink-500); }
.hero-text p { color: var(--text-muted); font-size: 1rem; line-height: 1.7; }

.hero-cards { display: flex; flex-direction: column; gap: 14px; min-width: 200px; }
.hero-card {
  background: rgba(255,255,255,0.7);
  border-radius: 18px;
  padding: 18px 22px;
  text-align: center;
  border: 1.5px solid rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
}
.hero-card .label { font-size: 0.72rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 6px; }
.level-big { font-family: 'Nunito', sans-serif; font-size: 2.6rem; font-weight: 900; color: var(--pink-500); line-height: 1; }
.goal-text { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }

.prog-bar-wrap {
  background: rgba(232,160,192,0.3);
  border-radius: 999px;
  height: 10px;
  overflow: hidden;
  margin: 8px 0 4px;
}
.prog-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--pink-300), var(--pink-500));
  border-radius: 999px;
  transition: width 0.8s cubic-bezier(0.34,1.3,0.64,1);
  width: 0%;
}
.prog-pct { font-size: 0.82rem; font-weight: 700; color: var(--pink-500); text-align: right; }

/* ── RESOURCES ── */
.resources { margin-bottom: 52px; }

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

.resource-card {
  background: var(--white);
  border-radius: 22px;
  border: 1.5px solid var(--cream);
  box-shadow: var(--shadow-card);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all 0.25s cubic-bezier(0.34,1.3,0.64,1);
}
.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 44px rgba(232,120,170,0.18);
  border-color: var(--pink-200);
}

.rc-avatar {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  font-weight: 900;
  flex-shrink: 0;
  font-family: 'Nunito', sans-serif;
}
.rc-yehor .rc-avatar { background: linear-gradient(135deg, #ffd6e7, #ffadd1); color: var(--pink-500); }
.rc-becker .rc-avatar { background: linear-gradient(135deg, #dbeafe, #93c5fd); color: #1d4ed8; }
.rc-video .rc-avatar { background: linear-gradient(135deg, #fef3c7, #fcd34d); color: #92400e; }

.rc-body { flex: 1; min-width: 0; }

.rc-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 6px;
}
.rc-body h3 {
  font-family: 'Nunito', sans-serif;
  font-size: 1rem;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.2;
}
.rc-body p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}

.rc-features { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.rc-feat {
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--milk-2);
  border: 1px solid var(--cream);
  padding: 3px 10px;
  border-radius: 999px;
}

.rc-links { display: flex; gap: 8px; flex-wrap: wrap; }
.rc-btn {
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.18s;
  display: inline-block;
}
.rc-btn-yt { background: #fde8ef; color: var(--pink-500); border: 1.5px solid var(--rose); }
.rc-btn-yt:hover { background: var(--pink-400); color: white; border-color: var(--pink-400); }
.rc-btn-plat { background: #ede9fe; color: #6d28d9; border: 1.5px solid #c4b5fd; }
.rc-btn-plat:hover { background: #6d28d9; color: white; border-color: #6d28d9; }

/* ── SECTION TITLE ── */
.section-title {
  font-family: 'Nunito', sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── MODULE ── */
.module { margin-bottom: 44px; }
.module-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  padding: 16px 20px;
  background: var(--white);
  border-radius: 18px;
  border: 1.5px solid var(--cream);
  box-shadow: var(--shadow-card);
}
.module-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.module-meta h3 { font-size: 1.05rem; font-weight: 700; color: var(--text); }
.module-meta p { font-size: 0.83rem; color: var(--text-muted); }
.module-tag {
  margin-left: auto;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}
.tag-a1 { background: #e8f5e9; color: #2e7d32; }
.tag-a2 { background: #e3f2fd; color: #1565c0; }
.tag-b1 { background: var(--pink-50); color: var(--pink-500); }

/* ── LESSON CARDS ── */
.lessons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
  gap: 14px;
}

.lesson-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px;
  border: 1.5px solid var(--cream);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.34,1.3,0.64,1);
  text-decoration: none;
  color: inherit;
  display: block;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.lesson-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,192,210,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.lesson-card:hover {
  border-color: var(--pink-300);
  box-shadow: 0 12px 40px rgba(232,120,170,0.22);
  transform: translateY(-4px) scale(1.01);
}
.lesson-card.completed { border-color: #b8e0be; background: linear-gradient(135deg, #f0faf1 0%, var(--white) 100%); }
.lesson-card.completed .check-mark {
  position: absolute;
  top: 14px; right: 14px;
  width: 26px; height: 26px;
  background: #2ecc71;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
}
.lesson-card.locked { opacity: 0.45; cursor: not-allowed; }
.lesson-card.locked:hover { transform: none; box-shadow: var(--shadow-card); border-color: var(--cream); }

.lesson-num { font-size: 0.73rem; color: var(--text-muted); font-weight: 600; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.06em; }
.lesson-title { font-weight: 700; font-size: 0.97rem; margin-bottom: 7px; color: var(--text); }
.lesson-desc { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 16px; line-height: 1.55; }
.lesson-footer { display: flex; align-items: center; gap: 8px; }
.lesson-xp {
  font-size: 0.78rem; font-weight: 700;
  color: var(--pink-500);
  background: var(--pink-50);
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--rose);
}
.lesson-type { font-size: 0.78rem; color: var(--text-muted); }

/* ── FOOTER ── */
.footer {
  text-align: center;
  padding: 28px 20px;
  color: var(--text-muted);
  font-size: 0.88rem;
  border-top: 1px solid var(--cream);
}
.footer span { color: var(--pink-400); }
.footer-sig {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #e0397f, #ffadd1, #e0397f);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.02em;
}
.footer-heart {
  font-size: 1.2rem;
  animation: heartbeat 1.6s ease-in-out infinite;
  display: inline-block;
}

/* ══════════════════════════════════════════
   LESSON PAGE
══════════════════════════════════════════ */
.lesson-page { max-width: 760px; margin: 0 auto; padding: 36px 20px 100px; }
.back-btn {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--pink-500); font-weight: 600; font-size: 0.9rem;
  text-decoration: none; margin-bottom: 30px; cursor: pointer;
  transition: gap 0.2s;
}
.back-btn:hover { gap: 10px; }

.lesson-top { margin-bottom: 32px; }
.lesson-lv { font-size: 0.78rem; font-weight: 700; color: var(--pink-400); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.lesson-top h1 { font-family: 'Nunito', sans-serif; font-size: 2.1rem; font-weight: 900; color: var(--text); margin-bottom: 10px; }
.lesson-top p { color: var(--text-muted); font-size: 1rem; }

/* Theory */
.theory-block {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 18px;
  border: 1.5px solid var(--cream);
  box-shadow: var(--shadow-card);
}
.theory-block h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.theory-block p { margin-bottom: 12px; line-height: 1.75; color: var(--text); }
.theory-block ul { padding-left: 20px; margin-bottom: 12px; }
.theory-block li { margin-bottom: 6px; line-height: 1.7; color: var(--text); }

.table-wrap { overflow-x: auto; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; font-size: 0.91rem; }
th {
  background: linear-gradient(135deg, var(--pink-300), var(--pink-400));
  color: white;
  padding: 11px 14px;
  text-align: left;
  font-weight: 700;
}
td { padding: 10px 14px; border-bottom: 1px solid var(--cream); color: var(--text); }
tr:last-child td { border-bottom: none; }
tr:nth-child(even) td { background: var(--milk-2); }

.example-box {
  background: var(--pink-50);
  border-left: 4px solid var(--pink-300);
  border-radius: 0 14px 14px 0;
  padding: 14px 18px;
  margin: 14px 0;
}
.example-box .de { font-weight: 700; font-size: 1rem; color: var(--pink-500); margin-bottom: 4px; }
.example-box .ru { color: var(--text-muted); font-style: italic; font-size: 0.9rem; }

/* Exercises */
.exercises-section { margin-top: 36px; }
.exercises-section h2 {
  font-family: 'Nunito', sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 20px;
  color: var(--text);
}

.exercise {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
  border: 1.5px solid var(--cream);
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s;
}
.exercise.correct { border-color: #8ed4a0; }
.exercise.wrong { border-color: #f5a0a0; }
.exercise-num { font-size: 0.73rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.exercise-q { font-weight: 700; margin-bottom: 18px; font-size: 1rem; color: var(--text); }

.options { display: flex; flex-direction: column; gap: 10px; }
.option-btn {
  padding: 13px 18px;
  border: 1.5px solid var(--cream);
  border-radius: 14px;
  background: var(--milk);
  text-align: left;
  cursor: pointer;
  font-size: 0.93rem;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  transition: all 0.18s;
}
.option-btn:hover:not(:disabled) { border-color: var(--pink-300); background: var(--pink-50); }
.option-btn.selected { border-color: var(--pink-400); background: var(--pink-50); color: var(--pink-500); font-weight: 600; }
.option-btn.correct-ans { border-color: #4caf7d; background: #eefbf3; color: #2e7d32; font-weight: 600; }
.option-btn.wrong-ans { border-color: #e57070; background: #fdf0f0; color: #c0392b; }

.fill-input {
  border: 1.5px solid var(--cream);
  border-radius: 14px;
  padding: 13px 18px;
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  width: 100%;
  color: var(--text);
  background: var(--milk);
  outline: none;
  transition: border-color 0.18s;
}
.fill-input:focus { border-color: var(--pink-300); }
.fill-input.correct-input { border-color: #4caf7d; background: #eefbf3; }
.fill-input.wrong-input { border-color: #e57070; background: #fdf0f0; }
.translate-input { min-height: 60px; resize: vertical; line-height: 1.5; }

.check-btn {
  margin-top: 14px;
  padding: 11px 24px;
  background: linear-gradient(135deg, var(--pink-400), var(--pink-500));
  color: white;
  border: none;
  border-radius: 14px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: all 0.2s;
  box-shadow: 0 4px 16px rgba(224,57,127,0.3);
}
.check-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(224,57,127,0.4); }
.check-btn:disabled { opacity: 0.45; cursor: default; transform: none; box-shadow: none; }

.feedback { margin-top: 10px; font-size: 0.88rem; font-weight: 600; }
.feedback.ok { color: #27ae60; }
.feedback.bad { color: #c0392b; }

.complete-section { margin-top: 44px; text-align: center; }
.complete-btn {
  padding: 18px 48px;
  background: linear-gradient(135deg, var(--pink-300) 0%, var(--pink-500) 100%);
  color: white;
  border: none;
  border-radius: 20px;
  font-size: 1.1rem;
  font-weight: 800;
  font-family: 'Nunito', sans-serif;
  cursor: pointer;
  box-shadow: 0 8px 32px rgba(224,57,127,0.35);
  transition: all 0.25s cubic-bezier(0.34,1.3,0.64,1);
}
.complete-btn:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 14px 40px rgba(224,57,127,0.45); }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(80,20,50,0.35);
  display: flex; align-items: center; justify-content: center;
  z-index: 999;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
  backdrop-filter: blur(4px);
}
.modal-overlay.show { opacity: 1; pointer-events: all; }
.modal-card {
  background: var(--white);
  border-radius: 28px;
  padding: 44px 40px;
  text-align: center;
  max-width: 380px;
  width: 90%;
  border: 1.5px solid var(--rose);
  transform: scale(0.85) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: 0 20px 60px rgba(200,80,140,0.2);
}
.modal-overlay.show .modal-card { transform: scale(1) translateY(0); }
.modal-emoji { font-size: 3.8rem; margin-bottom: 16px; animation: bounceEmoji 0.6s ease 0.3s both; }
@keyframes bounceEmoji {
  0%   { transform: scale(0); }
  60%  { transform: scale(1.25); }
  80%  { transform: scale(0.9); }
  100% { transform: scale(1); }
}
.modal-card h2 { font-family: 'Nunito', sans-serif; font-size: 1.8rem; font-weight: 900; margin-bottom: 8px; color: var(--text); }
.modal-card p { color: var(--text-muted); margin-bottom: 16px; }
.modal-xp { font-size: 1.4rem; font-weight: 800; color: var(--pink-500); margin-bottom: 28px; font-family: 'Nunito', sans-serif; }
.modal-btn {
  padding: 14px 36px;
  background: linear-gradient(135deg, var(--pink-300), var(--pink-500));
  color: white;
  border: none;
  border-radius: 16px;
  font-size: 1rem;
  font-weight: 800;
  font-family: 'Nunito', sans-serif;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(224,57,127,0.3);
  transition: all 0.2s;
}
.modal-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(224,57,127,0.4); }

/* Floating hearts bg deco */
.floating-hearts {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.fh {
  position: absolute;
  opacity: 0;
  font-size: 1.2rem;
  animation: floatUp linear infinite;
}
@keyframes floatUp {
  0%   { transform: translateY(0) rotate(0deg); opacity: 0; }
  10%  { opacity: 0.18; }
  90%  { opacity: 0.1; }
  100% { transform: translateY(-100vh) rotate(30deg); opacity: 0; }
}

.main, .lesson-page { position: relative; z-index: 1; }

/* Responsive */
@media (max-width: 640px) {
  .hero { grid-template-columns: 1fr; padding: 28px 24px; }
  .hero-cards { flex-direction: row; }
  .hero-card { flex: 1; }
}

/* Writing entry button on main page */
/* ── MAIN BLOCKS (course + writing) ── */
.main-blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}
@media (max-width: 900px) {
  .main-blocks { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .main-blocks { grid-template-columns: 1fr; }
}
.main-block {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border: 2px solid var(--cream);
  border-radius: 20px;
  padding: 20px 20px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 4px 18px rgba(224,57,127,0.07);
  transition: box-shadow 0.2s, transform 0.15s, border-color 0.2s;
  cursor: pointer;
}
.main-block:hover {
  box-shadow: 0 8px 28px rgba(224,57,127,0.16);
  transform: translateY(-2px);
  border-color: var(--pink-300);
}
.main-block-writing {
  background: linear-gradient(135deg, #fff0f7, #fce8f3);
  border-color: #ffd6e7;
}
.main-block-writing:hover { border-color: var(--pink-400); }
.main-block-grammar {
  background: linear-gradient(135deg, #f0f7ff, #e8f0ff);
  border-color: #c5d9f7;
}
.main-block-grammar:hover { border-color: #7bb8f5; }
.main-block-anki {
  background: linear-gradient(135deg, #fff8f0, #fef0e0);
  border-color: #fde0b0;
}
.main-block-anki:hover { border-color: #f5a623; }
.main-block-books {
  background: linear-gradient(135deg, #f0fff4, #e0f7e8);
  border-color: #b0e8c0;
}
.main-block-books:hover { border-color: #27ae60; }
.mb-icon { font-size: 2.2rem; flex-shrink: 0; }
.mb-info { flex: 1; }
.mb-title { font-weight: 800; font-size: 1rem; color: var(--text-dark); margin-bottom: 4px; font-family: 'Nunito', sans-serif; }
.mb-sub { font-size: 0.78rem; color: var(--text-muted); line-height: 1.4; }
.mb-arrow { margin-left: auto; font-size: 1.3rem; color: var(--pink-400); font-weight: 700; flex-shrink: 0; }

.writing-entry-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  border: 2px solid #ffd6e7;
  border-radius: 20px;
  padding: 20px 24px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 4px 18px rgba(224,57,127,0.08);
  transition: box-shadow 0.2s, transform 0.15s, border-color 0.2s;
  margin-top: 8px;
}
.writing-entry-btn:hover {
  box-shadow: 0 8px 28px rgba(224,57,127,0.16);
  transform: translateY(-2px);
  border-color: var(--pink-400);
}
.writing-entry-btn > span:first-child { font-size: 2rem; }
.writing-entry-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-dark);
  margin-bottom: 3px;
}
.writing-entry-sub {
  font-size: 0.83rem;
  color: var(--text-muted);
}
.writing-entry-arrow {
  margin-left: auto;
  font-size: 1.3rem;
  color: var(--pink-400);
  font-weight: 700;
}

/* ── ТЕМА GENERIC (не-Марго): простой дизайн без сердечек ─────────────────── */
.theme-generic #heart-splash,
.theme-generic .floating-hearts,
.theme-generic .fh,
.theme-generic .logo-heart,
.theme-generic .footer-heart,
.theme-generic .login-hearts { display: none !important; }

/* ── Новые типы упражнений (чтение / письмо / аудио) ──────────────────────── */
.speak-btn {
  background: var(--pink-50, #fff0f7); border: 1.5px solid var(--cream, #ffe3ef);
  border-radius: 50%; width: 30px; height: 30px; cursor: pointer;
  font-size: 0.95rem; line-height: 1; vertical-align: middle; transition: all .15s;
}
.speak-btn:hover { border-color: var(--pink-300, #ffadd1); transform: scale(1.08); }
.reading-ex .reading-text {
  background: #fff8fc; border: 1.5px solid var(--cream, #ffe3ef);
  border-radius: 12px; padding: 14px 16px; margin-bottom: 12px;
  font-size: 0.98rem; line-height: 1.7; color: var(--text-dark, #3a2230);
}
.reading-trans { font-size: 0.86rem; color: var(--text-muted, #9a7388); margin: 0 0 12px; line-height: 1.6; }
.read-q { margin: 10px 0 4px; padding-top: 10px; border-top: 1px dashed var(--cream, #ffe3ef); }
.link-btn {
  background: none; border: none; color: var(--pink-500, #e0397f);
  font-size: 0.82rem; font-weight: 600; cursor: pointer; padding: 0 0 10px; text-decoration: underline;
}

/* ── Незаметная ссылка «Что нового» (только для Марго) ───────────────────── */
.wn-link {
  display: inline-block; margin-top: 8px; text-decoration: none;
  font-size: 0.8rem; font-weight: 600; color: var(--pink-500);
  opacity: 0.85; transition: opacity .2s;
}
.wn-link:hover { opacity: 1; text-decoration: underline; }
.theme-generic .wn-link { display: none !important; }

/* ── Шаговый интерфейс урока (Stepik-style) ──────────────────────────────── */
.step-bar {
  display: flex; flex-wrap: wrap; gap: 7px;
  margin: 6px 0 18px; padding: 12px;
  background: var(--white, #fff); border: 1.5px solid var(--cream, #ffe3ef);
  border-radius: 16px;
}
.step-cell {
  width: 38px; height: 38px; border-radius: 10px; cursor: pointer;
  border: 1.5px solid var(--cream, #ffe3ef); background: #fff;
  font-size: 1rem; line-height: 1; display: flex; align-items: center; justify-content: center;
  transition: all .15s; padding: 0;
}
.step-cell.theory { background: #f3f7ff; border-color: #d6e4ff; }
.step-cell.task   { background: #fff8fc; }
.step-cell.done   { background: #d6f5d6; border-color: #9ad99a; }
.step-cell.current { outline: 3px solid var(--pink-300, #ffadd1); outline-offset: 1px; transform: translateY(-1px); }
.step-cell:hover { border-color: var(--pink-300, #ffadd1); }

.step-body { min-height: 120px; margin-bottom: 16px; }

.step-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 8px; }
.step-btn {
  border: none; border-radius: 13px; padding: 12px 24px;
  font-family: 'Nunito', sans-serif; font-size: 0.95rem; font-weight: 800; cursor: pointer;
  transition: opacity .2s, transform .15s;
}
.step-prev { background: var(--cream, #ffe3ef); color: var(--text-dark, #3a2230); }
.step-next { background: linear-gradient(135deg, var(--pink-400, #ff80b9), var(--pink-500, #e0397f)); color: #fff; margin-left: auto; }
.step-btn:hover { transform: translateY(-1px); opacity: .95; }

.fb-explain { font-size: 0.84rem; color: var(--text-muted, #9a7388); font-weight: 500; }

/* ── Бренд KlarDeutsch в шапке (тема generic) ────────────────────────────── */
.kd-logo-mark { width: 30px; height: 30px; border-radius: 8px; vertical-align: middle; margin-right: 4px; }
.kd-logo-name { font-family: 'Nunito', sans-serif; font-weight: 900; color: #1f2750; letter-spacing: -0.4px; vertical-align: middle; }
.kd-logo-name em { color: #d7141a; font-style: normal; }