/* ============================================================
   ЕГЭ-тренажёр — Пиксельный дизайн с ретро-компьютерной эстетикой
   ============================================================ */

/* === CSS ПЕРЕМЕННЫЕ === */
:root {
  /* Тёмная тема (по умолчанию) */
  --bg: #1a1a2e;
  --bg2: #16213e;
  --bg3: #0f3460;
  --surface: #1e2a45;
  --surface2: #253352;
  --border: #00ff41;
  --border-dim: #1a5c2a;
  --text: #e0e0e0;
  --text-dim: #888;
  --text-bright: #ffffff;
  --accent-green: #00ff41;
  --accent-red: #ff6b6b;
  --accent-blue: #00b4d8;
  --accent-yellow: #ffd60a;
  --btn-primary-bg: #00ff41;
  --btn-primary-text: #1a1a2e;
  --btn-secondary-bg: transparent;
  --btn-secondary-text: #00ff41;
  --input-bg: #0a0a1a;
  --input-border: #00ff41;
  --shadow: 0 0 20px rgba(0, 255, 65, 0.15);
  --shadow-strong: 0 0 40px rgba(0, 255, 65, 0.3);
  --scanline: rgba(0,0,0,0.03);
}

[data-theme="light"] {
  --bg: #f0f0d0;
  --bg2: #e8e8b8;
  --bg3: #d0d0a0;
  --surface: #e4e4c0;
  --surface2: #d8d8a8;
  --border: #2d6a2d;
  --border-dim: #8aad8a;
  --text: #2a2a2a;
  --text-dim: #666;
  --text-bright: #111;
  --accent-green: #1a7a1a;
  --accent-red: #cc2222;
  --accent-blue: #0055aa;
  --accent-yellow: #886600;
  --btn-primary-bg: #1a7a1a;
  --btn-primary-text: #f0f0d0;
  --btn-secondary-bg: transparent;
  --btn-secondary-text: #1a7a1a;
  --input-bg: #f8f8e0;
  --input-border: #2d6a2d;
  --shadow: 0 4px 12px rgba(0,0,0,0.15);
  --shadow-strong: 0 8px 24px rgba(0,0,0,0.25);
  --scanline: rgba(0,0,0,0.01);
}

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 19.2px; scroll-behavior: smooth; }

body {
  font-family: 'Share Tech Mono', 'Courier New', monospace;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}

/* Сканлайны (ретро-эффект) */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg, var(--scanline) 0px, var(--scanline) 1px, transparent 1px, transparent 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* === ЭКРАНЫ === */
.screen {
  position: fixed;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.screen.active {
  opacity: 1;
  pointer-events: all;
}

/* === LOADING === */
#screen-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.loading-container { text-align: center; }
.pixel-logo {
  font-family: 'Press Start 2P', cursive;
  font-size: 3rem;
  color: var(--accent-green);
  text-shadow: 0 0 20px var(--accent-green), 4px 4px 0 var(--bg3);
  margin-bottom: 2rem;
  animation: glow-pulse 1.5s ease-in-out infinite;
}
.loading-bar-wrap {
  width: 200px;
  height: 16px;
  border: 2px solid var(--border);
  margin: 0 auto 1rem;
  padding: 2px;
}
.loading-bar {
  height: 100%;
  width: 0%;
  background: var(--accent-green);
  transition: width 0.1s ease;
  box-shadow: 0 0 8px var(--accent-green);
}
.loading-text {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.6rem;
  color: var(--accent-green);
  animation: blink 1s step-end infinite;
}

/* === ПИКСЕЛЬНЫЕ ЭЛЕМЕНТЫ === */
.pixel-border {
  border: 4px solid var(--border);
  box-shadow:
    -3px -3px 0 0 rgba(0,255,65,0.07),
     6px  6px 0 0 var(--border-dim),
     9px  9px 0 0 rgba(0,0,0,0.35);
}

.pixel-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 2rem;
  color: var(--accent-green);
  text-shadow: 0 0 15px var(--accent-green), 3px 3px 0 var(--border-dim);
  display: block;
}
.pixel-subtitle {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.3em;
  display: block;
  margin-top: 4px;
}

.pixel-label {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.5rem;
  color: var(--accent-green);
  display: block;
  margin-bottom: 6px;
  letter-spacing: 0.1em;
}

.pixel-input {
  width: 100%;
  background: var(--input-bg);
  border: 3px solid var(--input-border);
  color: var(--text-bright);
  font-family: 'Share Tech Mono', monospace;
  font-size: 1rem;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.pixel-input:focus {
  border-color: var(--accent-green);
  box-shadow: 0 0 12px var(--accent-green);
}
.pixel-input::placeholder { color: var(--text-dim); }

.pixel-field { margin-bottom: 1rem; }

/* === КНОПКИ === */
.pixel-btn {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.55rem;
  padding: 12px 20px;
  border: 3px solid var(--border);
  cursor: pointer;
  transition: all 0.1s;
  letter-spacing: 0.05em;
  position: relative;
  text-transform: uppercase;
}
.pixel-btn:active { transform: translate(5px, 5px); box-shadow: 1px 1px 0 var(--border-dim) !important; }

.pixel-btn.primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  box-shadow: 5px 5px 0 var(--border-dim), 7px 7px 0 rgba(0,0,0,0.3);
}
.pixel-btn.primary:hover {
  box-shadow: 7px 7px 0 var(--border-dim), 0 0 20px var(--accent-green);
}

.pixel-btn.secondary {
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  box-shadow: 5px 5px 0 var(--border-dim), 7px 7px 0 rgba(0,0,0,0.3);
}
.pixel-btn.secondary:hover { background: var(--surface); }

.pixel-btn.danger {
  border-color: var(--accent-red);
  color: var(--accent-red);
  box-shadow: 4px 4px 0 rgba(255,107,107,0.3);
}
.pixel-btn.danger:hover { background: rgba(255,107,107,0.1); }

.pixel-btn.small { padding: 8px 10px; font-size: 0.38rem; letter-spacing: 0.03em; white-space: nowrap; }
.pixel-btn.full-width { width: 100%; }

.pixel-link {
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: underline;
  display: block;
  text-align: center;
  margin-top: 12px;
  transition: color 0.2s;
}
.pixel-link:hover { color: var(--accent-green); }

.pixel-text-sm {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  line-height: 1.6;
}

/* === HEADER === */
.pixel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 28px;
  background: var(--bg2);
  border-bottom: 4px solid var(--border);
  box-shadow: 0 4px 0 0 rgba(0,0,0,0.3);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-logo {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.8rem;
  color: var(--accent-green);
  text-shadow: 0 0 8px var(--accent-green);
}
.header-right { display: flex; align-items: center; gap: 20px; }
.header-username {
  font-family: 'Share Tech Mono', monospace;
  color: var(--text-dim);
  font-size: 0.85rem;
}
.header-subject-name {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.55rem;
  color: var(--text);
}

/* === ТЕМА TOGGLE === */
.theme-toggle {
  background: none;
  border: 2px solid var(--border-dim);
  color: var(--text-dim);
  font-size: 1.2rem;
  width: 36px;
  height: 36px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.theme-toggle:hover { border-color: var(--border); color: var(--accent-green); }

/* === AUTH SCREEN === */
.auth-scene {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 20px 20px;
  background: var(--bg);
}
.auth-scene > .theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
}

.auth-box {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  padding: 2rem;
  position: relative;
  overflow: visible;
}
.auth-logo { text-align: center; margin-bottom: 1.5rem; }

/* котик — только canvas, никакого flex с пузырём */
.cat-auth {
  position: absolute;
  top: -98px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 20;
}

#cat-canvas-auth {
  width: 200px;
  height: 115px;
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* пузырь — absolute, правее и выше котика, не влияет на layout */
.cat-bubble-auth-sleep {
  position: absolute !important;
  top: 14px;
  left: 205px;
  font-size: 0.55rem !important;
  width: 150px;        /* фиксированная ширина — не двигается */
  height: auto;
  text-align: left;
  line-height: 1.5;
  padding: 6px 10px !important;
  color: var(--text-dim) !important;
  white-space: normal;
  z-index: 21;
}
/* хвостик влево — к котику */
.cat-bubble-auth-sleep::before {
  content: '';
  position: absolute;
  left: -9px;
  bottom: 12px;
  border: 5px solid transparent;
  border-right-color: var(--border-dim);
  border-left: none;
}
.cat-bubble-auth-sleep::after {
  display: block !important;
  content: '' !important;
  position: absolute !important;
  left: -6px !important;
  bottom: 13px !important;
  border: 4px solid transparent !important;
  border-right-color: var(--surface) !important;
  border-left: none !important;
  animation: none !important;
  opacity: 1 !important;
  color: transparent !important;
  margin-left: 0 !important;
}

.auth-tabs {
  display: flex;
  border-bottom: 2px solid var(--border-dim);
  margin-bottom: 1.5rem;
}
.auth-tab {
  flex: 1;
  background: none;
  border: none;
  padding: 10px;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.5rem;
  color: var(--text-dim);
  cursor: pointer;
  transition: color 0.2s;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
}
.auth-tab.active { color: var(--accent-green); border-bottom-color: var(--accent-green); }

.auth-error {
  font-size: 0.8rem;
  color: var(--accent-red);
  margin-bottom: 12px;
  min-height: 20px;
}
.auth-success {
  font-size: 0.8rem;
  color: var(--accent-green);
  margin-bottom: 12px;
}

/* === MAIN SCREEN === */
.main-content {
  padding: 1.2rem 3rem;
  max-width: 100%;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.welcome-text {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 1.2rem;
  text-align: center;
  letter-spacing: 0.15em;
}

.subject-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  width: 100%;
}

.subject-card {
  background: var(--surface);
  border: 4px solid var(--border-dim);
  /* Пиксельный 3D: правая и нижняя тень — тёмная, левая и верхняя — светлая */
  box-shadow:
    -4px -4px 0 0 rgba(0,255,65,0.08),
     6px  6px 0 0 var(--border-dim),
     8px  8px 0 0 rgba(0,0,0,0.4);
  padding: 2rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
  overflow: hidden;
}
.subject-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(0,255,65,0.05));
}
.subject-card:hover {
  border-color: var(--border);
  box-shadow:
    -2px -2px 0 0 rgba(0,255,65,0.12),
     4px  4px 0 0 var(--border),
     6px  6px 0 0 rgba(0,0,0,0.5);
  transform: translate(-3px, -3px);
}
.subject-card:active {
  box-shadow:
     1px  1px 0 0 var(--border-dim),
     2px  2px 0 0 rgba(0,0,0,0.3);
  transform: translate(4px, 4px);
}
.subject-card-icon { font-size: 3rem; margin-bottom: 1rem; }
.subject-card-count { display: none; }
.subject-card-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.8rem;
  color: var(--accent-green);
  line-height: 2;
  margin-bottom: 0.5rem;
}
.subject-card-count { font-size: 0.8rem; color: var(--text-dim); }

.cat-main-area {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  margin-top: 0.5rem;
  flex: 1;
  min-height: 0;
}

/* все сидящие котики — единый размер через CSS */
#cat-canvas-results {
  width: 240px;
  height: 240px;
}
#cat-canvas-main {
  height: clamp(120px, 100%, 380px);
  width: auto;
  max-height: 380px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* === MODE SCREEN === */
.mode-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.mode-card {
  background: var(--surface);
  border: 4px solid var(--border-dim);
  box-shadow:
    -3px -3px 0 0 rgba(0,255,65,0.06),
     6px  6px 0 0 var(--border-dim),
     9px  9px 0 0 rgba(0,0,0,0.35);
  padding: 2.5rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
}
.mode-card:hover {
  border-color: var(--border);
  box-shadow:
    -2px -2px 0 0 rgba(0,255,65,0.10),
     4px  4px 0 0 var(--border),
     6px  6px 0 0 rgba(0,0,0,0.4);
  transform: translate(-3px, -3px);
}
.mode-card:active {
  transform: translate(4px, 4px);
  box-shadow: 1px 1px 0 var(--border-dim), 2px 2px 0 rgba(0,0,0,0.2) !important;
}
.mode-icon { font-size: 3rem; margin-bottom: 1rem; }
.mode-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.75rem;
  color: var(--accent-green);
  line-height: 2;
  margin-bottom: 1rem;
}
.mode-desc { font-size: 0.85rem; color: var(--text-dim); }

.task-numbers-grid { margin-top: 1.5rem; }
.grid-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.6rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  text-align: center;
}
.numbers-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.number-btn {
  width: 52px;
  height: 52px;
  border: 2px solid var(--border-dim);
  background: var(--surface);
  color: var(--text);
  font-family: 'Press Start 2P', cursive;
  font-size: 0.7rem;
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
}
.number-btn:hover { border-color: var(--border); background: var(--surface2); }
.number-btn.practiced { border-color: var(--accent-green); color: var(--accent-green); }

/* === SOLVE SCREEN === */
.solve-header-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.task-counter {
  display: none;
}
.timer-box {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.65rem;
  color: var(--text);
}
.timer-box.warning { color: var(--accent-yellow); animation: blink 0.5s step-end infinite; }
.timer-box.danger { color: var(--accent-red); animation: blink 0.3s step-end infinite; }

/* Внешний двухколоночный контейнер */
.solve-layout {
  display: flex;
  flex: 1;
  min-height: 0;
  gap: 0;
  overflow: hidden;
}

/* Левая колонка — задание */
.solve-content {
  padding: 1.5rem;
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow-y: auto;
}

.task-card {
  background: var(--surface);
  padding: 1.5rem;
  flex: 1;
  animation: slide-in 0.3s ease;
}
.task-number-label {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.5rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
}
.task-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text);
  margin-bottom: 1.5rem;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-weight: 400;
  letter-spacing: 0.01em;
}
.task-content img { max-width: 100%; margin: 1rem 0; border: 1px solid var(--border-dim); }

.task-image-wrap { margin-bottom: 1rem; }
.task-image-wrap img { max-width: 100%; border: 2px solid var(--border-dim); }

.choices-grid { display: flex; flex-direction: column; gap: 8px; }
.choice-btn {
  background: var(--surface2);
  border: 3px solid var(--border-dim);
  box-shadow: 4px 4px 0 rgba(0,0,0,0.3);
  color: var(--text);
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.95rem;
  padding: 12px 16px;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
}
.choice-btn:hover { border-color: var(--border); background: var(--surface); }
.choice-btn.selected { border-color: var(--accent-blue); color: var(--accent-blue); }
.choice-btn.correct { border-color: var(--accent-green) !important; background: rgba(0,255,65,0.1) !important; color: var(--accent-green) !important; }
.choice-btn.wrong { border-color: var(--accent-red) !important; background: rgba(255,107,107,0.1) !important; color: var(--accent-red) !important; }

.answer-input-wrap {
  margin-top: 1.2rem;
  margin-bottom: 0;
}
.answer-input {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.55rem;
  letter-spacing: 0.04em;
  padding: 14px 16px;
  width: 100%;
  max-width: 420px;
  box-sizing: border-box;
}
.answer-input::placeholder {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.48rem;
  color: var(--text-dim);
}

.answer-feedback {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  border: 4px solid;
  margin-top: 1rem;
  animation: pop-in 0.2s ease;
  image-rendering: pixelated;
}
.answer-feedback.correct { border-color: var(--accent-green); background: rgba(0,255,65,0.08); }
.answer-feedback.wrong, .answer-feedback.no-answer { border-color: var(--accent-red); background: rgba(255,107,107,0.08); }
/* .feedback-icon: старое правило удалено — конфликтовало с иконкой TG в форме обратной связи.
   Новая разметка блока фидбэка использует .feedback-status/.feedback-cat, см. ниже. */
.feedback-status {
  font-family: 'Press Start 2P', cursive;
  letter-spacing: 0.03em;
}
.feedback-text {
  font-family: 'Share Tech Mono', monospace;
  line-height: 1.7;
}

.solve-actions {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-top: 3px solid var(--border-dim);
  margin-top: 0.5rem;
  flex-wrap: nowrap;
}


/* === RESULTS SCREEN === */
.results-content {
  padding: 1.5rem;
  max-width: 720px;
  margin: 0 auto;
}

.results-cat-area {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 1.5rem;
  animation: slide-in 0.4s ease;
}

.result-percent-wrap { text-align: center; margin-bottom: 2rem; }
.result-percent {
  font-family: 'Press Start 2P', cursive;
  font-size: 4rem;
  color: var(--accent-green);
  text-shadow: 0 0 30px var(--accent-green);
  line-height: 1;
  animation: count-up 0.5s ease;
}
.result-percent.low { color: var(--accent-red); text-shadow: 0 0 20px var(--accent-red); }
.result-percent.mid { color: var(--accent-yellow); text-shadow: 0 0 20px var(--accent-yellow); }
.result-score { font-size: 1rem; color: var(--text-dim); margin-top: 8px; }

.wrong-tasks-section { margin-bottom: 2rem; }
.section-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.6rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  letter-spacing: 0.15em;
}
.wrong-tasks-list { display: flex; flex-direction: column; gap: 10px; }

.wrong-task-item {
  background: var(--surface);
  border: 2px solid var(--accent-red);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.wrong-task-num {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.5rem;
  color: var(--accent-red);
  white-space: nowrap;
}
.wrong-task-preview { font-size: 0.85rem; color: var(--text-dim); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.results-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 1rem; }

/* === PROFILE SCREEN === */
.profile-layout {
  display: flex;
  min-height: calc(100vh - 60px);
}

.sidebar {
  width: 220px;
  background: var(--surface);
  padding: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
  border-right: 2px solid var(--border-dim);
  border-top: none;
  border-bottom: none;
  border-left: none;
  box-shadow: none;
}

.sidebar-item {
  background: none;
  border: none;
  padding: 14px 20px;
  text-align: left;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.45rem;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
  line-height: 2;
  border-left: 3px solid transparent;
}
.sidebar-item:hover { color: var(--text); background: var(--surface2); }
.sidebar-item.active { color: var(--accent-green); border-left-color: var(--accent-green); background: var(--surface2); }

.mobile-menu-btn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 200;
  width: 48px; height: 48px;
  background: var(--accent-green);
  border: none;
  color: var(--bg);
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 4px 4px 0 var(--border-dim);
}

.mobile-menu {
  position: fixed;
  bottom: 80px;
  right: 20px;
  z-index: 200;
  background: var(--surface);
  border: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-strong);
}

.profile-content { flex: 1; padding: 2rem; overflow-y: auto; }
.profile-section { animation: fade-in 0.3s ease; }

.stats-overview { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 2rem; }
.stat-card { background: var(--surface); padding: 1.5rem; text-align: center; }
.stat-num {
  font-family: 'Press Start 2P', cursive;
  font-size: 1.5rem;
  color: var(--accent-green);
  margin-bottom: 8px;
}
.stat-label { font-size: 0.75rem; color: var(--text-dim); }

.charts-row { display: grid; grid-template-columns: auto 1fr; gap: 1.5rem; margin-bottom: 2rem; }
.chart-block {
  background: var(--surface);
  padding: 1.5rem;
}
.chart-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.45rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

.details-block { background: var(--surface); padding: 1.5rem; }

.rating-my-pos {
  background: var(--surface);
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.55rem;
  color: var(--accent-yellow);
}

.leaderboard { background: var(--surface); overflow: hidden; }
.leaderboard-row {
  display: grid;
  grid-template-columns: 50px 1fr auto;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-dim);
  transition: background 0.15s;
}
.leaderboard-row:last-child { border-bottom: none; }
.leaderboard-row:hover { background: var(--surface2); }
.leaderboard-row.is-me { background: rgba(0,255,65,0.08); border-left: 3px solid var(--accent-green); }
.leaderboard-row.top-1 .lb-rank { color: var(--accent-yellow); }
.leaderboard-row.top-2 .lb-rank { color: #c0c0c0; }
.leaderboard-row.top-3 .lb-rank { color: #cd7f32; }
.lb-rank {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.6rem;
  color: var(--text-dim);
}
.lb-name { font-size: 0.95rem; }
.lb-score {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.55rem;
  color: var(--accent-green);
}

.history-list { display: flex; flex-direction: column; gap: 8px; }
.history-item {
  background: var(--surface);
  border: 1px solid var(--border-dim);
  padding: 12px 16px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 1rem;
}
.history-subject { font-size: 0.85rem; color: var(--text); }
.history-mode { font-family: 'Press Start 2P', cursive; font-size: 0.4rem; color: var(--text-dim); margin-top: 4px; }
.history-percent {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.9rem;
}
.history-percent.good { color: var(--accent-green); }
.history-percent.mid { color: var(--accent-yellow); }
.history-percent.bad { color: var(--accent-red); }
.history-date { font-size: 0.75rem; color: var(--text-dim); text-align: right; }

/* === КОТ === */
.cat-bubble {
  background: var(--surface);
  border: 4px solid var(--border);
  box-shadow:
    -3px -3px 0 0 rgba(0,255,65,0.07),
     5px  5px 0 0 var(--border-dim),
     7px  7px 0 0 rgba(0,0,0,0.35);
  padding: 12px 16px;
  font-size: 0.6rem;
  color: var(--accent);
  max-width: 230px;
  line-height: 2;
  position: relative;
  font-family: 'Press Start 2P', monospace;
  letter-spacing: 0.03em;
  image-rendering: pixelated;
  border-radius: 0;
}
/* Стрелка слева — исходит от кота (кот слева от пузыря) */
.cat-bubble::before {
  content: '';
  position: absolute;
  left: -14px;
  top: 50%;
  transform: translateY(-50%);
  border: 7px solid transparent;
  border-right-color: var(--border);
}
/* Убираем старую стрелку снизу */
.cat-bubble::after { display: none; }

/* Для экрана результатов — кот слева, пузырь справа (та же логика) */
.cat-bubble-results { max-width: 280px; font-size: 0.65rem; }

/* Typewriter курсор */
.cat-bubble.typing::after {
  display: inline-block;
  content: '█';
  color: var(--accent);
  animation: blink-cursor 0.7s step-end infinite;
  margin-left: 2px;
}
@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Пиксельные иконки предметов */
.pixel-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}
.pixel-icon svg {
  width: 56px;
  height: 56px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* === МОДАЛКА === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fade-in 0.2s ease;
}
.modal-box {
  background: var(--surface);
  max-width: 680px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 2rem;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: 2px solid var(--border-dim);
  color: var(--text-dim);
  width: 32px; height: 32px;
  cursor: pointer;
  font-size: 1rem;
}
.modal-close:hover { border-color: var(--accent-red); color: var(--accent-red); }
.modal-cat-phrase {
  font-style: italic;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  padding: 12px;
  border-left: 3px solid var(--border-dim);
  font-family: 'Share Tech Mono', monospace;
}
.modal-task-content { font-size: 0.95rem; line-height: 1.7; margin-bottom: 1.5rem; }
.modal-answer-info { display: flex; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.modal-your-answer, .modal-correct-answer {
  flex: 1;
  padding: 10px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.9rem;
}
.modal-your-answer { border: 2px solid var(--accent-red); color: var(--accent-red); }
.modal-correct-answer { border: 2px solid var(--accent-green); color: var(--accent-green); }
.modal-explanation { font-size: 0.95rem; line-height: 1.7; color: var(--text); }

/* === КАСТОМНЫЙ CONFIRM (замена браузерного confirm()) === */
.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fade-in 0.15s ease;
}
.confirm-box {
  background: var(--surface);
  border: 3px solid var(--border);
  box-shadow: 7px 7px 0 var(--border-dim), 0 0 30px rgba(0,255,65,0.2);
  max-width: 400px;
  width: 100%;
  padding: 1.75rem;
  animation: confirm-pop 0.15s ease;
}
[data-theme="light"] .confirm-box { box-shadow: 7px 7px 0 var(--border-dim), 0 0 20px rgba(0,0,0,0.15); }
@keyframes confirm-pop {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.confirm-message {
  font-family: 'Share Tech Mono', monospace;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  white-space: pre-line;
}
.confirm-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}
.confirm-actions .pixel-btn { flex: 0 0 auto; }
@media (max-width: 480px) {
  .confirm-actions { flex-direction: column-reverse; }
  .confirm-actions .pixel-btn { width: 100%; }
}

/* === TOAST === */
.toast-container {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}
.toast {
  background: var(--surface);
  border: 2px solid var(--border);
  padding: 10px 20px;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.45rem;
  animation: slide-up 0.3s ease;
  white-space: nowrap;
}
.toast.error { border-color: var(--accent-red); color: var(--accent-red); }
.toast.success { border-color: var(--accent-green); color: var(--accent-green); }

/* === АНИМАЦИИ === */
@keyframes glow-pulse {
  0%, 100% { text-shadow: 0 0 20px var(--accent-green), 4px 4px 0 var(--bg3); }
  50% { text-shadow: 0 0 40px var(--accent-green), 0 0 60px var(--accent-green), 4px 4px 0 var(--bg3); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slide-in {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slide-up {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes pop-in {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes count-up {
  from { transform: scale(0.5); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes cat-tail {
  0%, 100% { transform: rotate(-5deg) translateX(0); }
  50% { transform: rotate(5deg) translateX(3px); }
}

/* === УТИЛИТЫ === */
.hidden { display: none !important; }
.text-green { color: var(--accent-green); }
.text-red { color: var(--accent-red); }
.text-yellow { color: var(--accent-yellow); }

/* === АДАПТИВНОСТЬ === */
@media (max-width: 768px) {
  .pixel-logo { font-size: 2rem; }
  .result-percent { font-size: 2.5rem; }
  .charts-row { grid-template-columns: 1fr; }
  .stats-overview { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .stat-num { font-size: 1rem; }
  .sidebar { display: none; }
  .mobile-menu-btn { display: flex; align-items: center; justify-content: center; }
  .solve-actions { flex-direction: column; }
  .pixel-btn.full-width { width: 100%; }
  .subject-cards { grid-template-columns: 1fr; }
  .mode-cards { grid-template-columns: 1fr; }
  .cat-auth { top: -85px; }
  .history-item { grid-template-columns: 1fr auto; }
  .history-date { display: none; }
}

@media (max-width: 480px) {
  .auth-box { padding: 1.5rem; }
  .main-content { padding: 1rem; }
  .pixel-title { font-size: 1.5rem; }
  .stats-overview { grid-template-columns: 1fr; }
}

/* === ПРОГРЕСС-БАР РЕШЕНИЯ === */
.solve-progress-bar { display: none !important; } .solve-progress-bar-DISABLED {
  height: 4px;
  background: var(--border-dim);
  position: sticky;
  top: 60px;
  z-index: 50;
}
.solve-progress-fill {
  height: 100%;
  background: var(--accent-green);
  transition: width 0.4s ease;
  box-shadow: 0 0 8px var(--accent-green);
}

/* === COMING SOON КАРТОЧКИ === */
.subject-card.coming-soon {
  opacity: 0.45;
  cursor: not-allowed;
  position: relative;
  filter: grayscale(0.7);
}
.subject-card.coming-soon {
  border-width: 4px !important;
  box-shadow: 6px 6px 0 0 rgba(0,0,0,0.2) !important;
}
.subject-card.coming-soon:hover {
  border-color: var(--border-dim) !important;
  transform: none !important;
  box-shadow: none !important;
}
.coming-soon-badge {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.4rem;
  color: var(--text-dim);
  border: 1px solid var(--border-dim);
  padding: 3px 6px;
  margin-top: 8px;
  letter-spacing: 0.05em;
}

/* === МОДАЛКА ОБРАТНОЙ СВЯЗИ === */
.feedback-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 0.5rem;
}
.feedback-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  color: var(--text);
  text-decoration: none;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.85rem;
  transition: background 0.15s;
}
.feedback-link:hover {
  background: var(--surface-hover, rgba(255,255,255,0.05));
  color: var(--accent);
}
.feedback-icon {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.55rem;
  color: var(--accent);
  width: 28px;
  text-align: center;
}

/* === ПРОФИЛЬ БЕЗ ГРАФИКОВ — растянутый блок заданий === */
.details-block {
  padding: 1.5rem;
  margin-top: 1.5rem;
}
.section-stats .stats-overview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  padding: 1.5rem 1rem;
  text-align: center;
}
.stat-num {
  font-family: 'Press Start 2P', monospace;
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.stat-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-family: 'Share Tech Mono', monospace;
}

/* === КНОПКА НАЗАД — более явная === */
#btn-back-main {
  font-size: 0.5rem;
  letter-spacing: 0.05em;
}

/* === ТИПЫ ЗАДАНИЙ === */
.task-type-badge {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.75rem;
  padding: 4px 10px;
  margin: 6px 0 12px 0;
  border: 1px solid var(--border-dim);
  display: inline-block;
  color: var(--text-dim);
}
.task-type-multi_choice { border-color: #00b4d8; color: #00b4d8; }
.task-type-matching { border-color: #ffd60a; color: #ffd60a; }
.task-type-essay { border-color: #ff7799; color: #ff7799; }
.task-type-text_input { border-color: var(--accent); color: var(--accent); }

/* Multi-choice чекбоксы */
.choices-grid.multi {
  flex-direction: column;
  gap: 8px;
}
.choice-btn.multi-choice {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 4px solid var(--border-dim);
  box-shadow: 5px 5px 0 var(--border-dim), 7px 7px 0 rgba(0,0,0,0.3);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  text-align: left;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.95rem;
  transition: all 0.1s;
  line-height: 1.6;

}
.choice-btn.multi-choice:hover {
  border-color: var(--border);
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 var(--border-dim), 8px 8px 0 rgba(0,0,0,0.3);
}
.choice-btn.multi-choice.selected {
  border-color: var(--accent-yellow) !important;
  box-shadow: 5px 5px 0 rgba(180,130,0,0.5), 7px 7px 0 rgba(0,0,0,0.3) !important;
  background: transparent;
  color: var(--text);
}
.choice-btn.multi-choice.correct {
  border-color: var(--accent-green) !important;
  background: rgba(0,255,65,0.08) !important;
  box-shadow: 5px 5px 0 rgba(0,100,30,0.5), 7px 7px 0 rgba(0,0,0,0.3) !important;
  color: var(--accent-green) !important;
}
.choice-btn.multi-choice.wrong {
  border-color: var(--accent-red) !important;
  background: rgba(255,68,68,0.05) !important;
  box-shadow: 5px 5px 0 rgba(120,0,0,0.4), 7px 7px 0 rgba(0,0,0,0.3) !important;
  color: var(--accent-red) !important;
}
.choice-num {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.55rem;
  color: var(--accent);
  min-width: 18px;
  padding-top: 3px;
}
.choice-text { flex: 1; }

/* Feedback без ответа */
.answer-feedback.no-answer {
  border-color: #888;
  background: rgba(128,128,128,0.08);
  color: var(--text-dim);
}
#feedback-icon { color: inherit; }

/* Essay */
.essay-notice {
  padding: 8px 12px;
  margin-bottom: 12px;
  font-size: 0.8rem;
  color: #ff7799;
  border-color: #ff7799 !important;
  font-family: 'Share Tech Mono', monospace;
}
#answer-input[rows] {
  min-height: 120px;
  resize: vertical;
}

/* Matching hint */
.matching-hint {
  padding: 10px;
  margin-top: 8px;
  border: 1px solid var(--border-dim);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-dim);
}
.matching-hint-title {
  color: #ffd60a;
  margin-bottom: 6px;
  font-size: 0.75rem;
}
.matching-item { margin: 3px 0; }

/* === MATCHING (задание 8/22) === */
.matching-grid {
  display: block;
  width: 100%;
}

.matching-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 2px solid var(--accent);
  margin-bottom: 20px;
}

.matching-col {
  padding: 0;
}

.matching-col-left {
  border-right: 1px solid var(--border-dim);
}

.matching-col-header {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.45rem;
  color: var(--accent);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-dim);
  letter-spacing: 0.05em;
  background: rgba(0, 255, 65, 0.05);
}

.matching-left-item,
.matching-right-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.8rem;
  color: var(--text);
  line-height: 1.5;
}

.matching-left-item:last-child,
.matching-right-item:last-child {
  border-bottom: none;
}

.matching-letter {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.55rem;
  color: var(--accent);
  min-width: 18px;
  padding-top: 3px;
  flex-shrink: 0;
}

.matching-num {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.55rem;
  color: #00b4d8;
  min-width: 18px;
  padding-top: 3px;
  flex-shrink: 0;
}

.matching-left-text,
.matching-right-text {
  flex: 1;
  font-size: 0.8rem;
}

/* Таблица ответов */
.matching-answer-row {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 2px solid var(--accent);
  width: fit-content;
  margin-top: 0;
}

.matching-answer-label-row,
.matching-cell-row {
  display: flex;
}

.matching-cell-th {
  width: 52px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Press Start 2P', monospace;
  font-size: 0.55rem;
  color: var(--accent);
  border-right: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
  background: rgba(0,255,65,0.05);
}
.matching-cell-th:last-child { border-right: none; }

.matching-cell-input {
  width: 52px;
  height: 48px;
  border: none;
  border-right: 1px solid var(--border-dim);
  background: var(--surface);
  color: var(--accent);
  font-family: 'Press Start 2P', monospace;
  font-size: 0.85rem;
  text-align: center;
  outline: none;
  cursor: text;
}
.matching-cell-input:last-child { border-right: none; }
.matching-cell-input:focus {
  background: rgba(0,255,65,0.08);
}
.matching-cell-input::placeholder { color: var(--border-dim); }

.matching-cell-input.cell-correct {
  background: rgba(0,255,65,0.2);
  color: var(--accent-green);
}
.matching-cell-input.cell-wrong {
  background: rgba(255,68,68,0.15);
  color: var(--accent-red);
}

@media (max-width: 600px) {
  .matching-columns {
    grid-template-columns: 1fr;
  }
  .matching-col-left {
    border-right: none;
    border-bottom: 1px solid var(--border-dim);
  }
}

/* === КНОПКА "ПОКАЗАТЬ ОТВЕТ" === */
.pixel-btn.show-correct {
  background: transparent;
  border: 2px solid #ffd60a;
  color: #ffd60a;
  font-family: 'Press Start 2P', monospace;
  font-size: 0.5rem;
  padding: 10px 14px;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: background 0.1s;
  animation: pulse-yellow 1.2s ease-in-out infinite;
}
.pixel-btn.show-correct:hover {
  background: rgba(255, 214, 10, 0.12);
}
@keyframes pulse-yellow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,214,10,0); }
  50% { box-shadow: 0 0 0 4px rgba(255,214,10,0.25); }
}

/* Правильный ответ в тексте фидбэка */
.correct-answer-reveal {
  display: block;
  margin-top: 6px;
  font-size: 1rem;
  color: var(--accent);
  font-family: 'Share Tech Mono', monospace;
}
.correct-answer-reveal strong {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

/* input-correct для text_input */
#answer-input.input-correct {
  border-color: var(--accent) !important;
  color: var(--accent);
}

/* Заблокированные номера заданий */
.number-btn.blocked {
  opacity: 0.3;
  cursor: not-allowed;
  border-color: var(--border-dim) !important;
  color: var(--text-dim) !important;
  position: relative;
}
.number-btn.blocked::after {
  content: '🔒';
  font-size: 0.5rem;
  position: absolute;
  top: 2px;
  right: 2px;
}

/* Объяснение от кота при показе правильного ответа */
.cat-explanation {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 12px;
  padding: 10px 12px;
  background: rgba(0,255,65,0.05);
  border: 1px solid rgba(0,255,65,0.2);
  border-radius: 6px;
}
.cat-explanation-text {
  font-family: var(--font-pixel, monospace);
  font-size: 12px;
  color: var(--text-secondary, #aaa);
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}
[data-theme="light"] .cat-explanation {
  background: rgba(0,120,40,0.06);
  border-color: rgba(0,120,40,0.2);
}

/* === PROGRESS DOTS === */
.progress-dots {
  display: flex;
  gap: 6px;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  max-width: 720px;
  box-sizing: border-box;
}
.progress-dot {
  width: 20px;
  height: 20px;
  background: var(--border-dim);
  flex-shrink: 0;
  flex: 1;
  max-width: 36px;
  image-rendering: pixelated;
  box-shadow: 3px 3px 0 rgba(0,0,0,0.5);
}
.progress-dot.done {
  background: var(--accent-green);
  box-shadow: 3px 3px 0 rgba(0,0,0,0.5), 0 0 5px var(--accent-green);
}
.progress-dot.current {
  background: var(--accent-yellow);
  box-shadow: 3px 3px 0 rgba(0,0,0,0.5), 0 0 6px var(--accent-yellow);
  animation: dot-pulse 0.8s step-end infinite;
}
@keyframes dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* === ЯНТАРНАЯ ПОДСВЕТКА КАПСЛОКА В ТЕКСТЕ ЗАДАНИЯ === */
.task-highlight {
  color: var(--accent-yellow);
  text-decoration: underline;
  text-decoration-style: solid;
  text-underline-offset: 3px;
  font-style: normal;
}

/* === CHOICE BTN: толще === */
.choice-btn {
  border-width: 3px;
}

/* === PROGRESS BAR ROW: под хедером, по ширине как solve-content === */
.solve-progress-row {
  display: flex;
  justify-content: center;
  background: var(--bg2);
  border-bottom: 4px solid var(--border);
  box-shadow: 0 4px 0 0 rgba(0,0,0,0.3);
  padding: 10px 1.5rem;
  box-sizing: border-box;
}
.solve-progress-inner {
  width: 100%;
  max-width: 720px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.solve-progress-inner .task-counter-inline {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.55rem;
  color: var(--text-dim);
  white-space: nowrap;
  flex-shrink: 0;
}

#screen-main {
  overflow: hidden;
}
#screen-solve {
  overflow: hidden;
}

/* Правая панель прогресса */
.solve-progress-panel {
  width: 100px;
  flex-shrink: 0;
  border-left: 4px solid var(--border);
  box-shadow: -4px 0 0 0 rgba(0,0,0,0.25);
  background: var(--bg2);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.2rem 0.6rem;
  gap: 8px;
  overflow-y: auto;
}
.progress-panel-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.38rem;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-align: center;
  margin-bottom: 4px;
}

/* Точки прогресса в правой панели — вертикальный столбец */
.solve-progress-panel .progress-dots {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  width: 100%;
  max-width: none;
  padding: 0;
  box-sizing: border-box;
}
.solve-progress-panel .progress-dot {
  width: 100%;
  height: 32px;
  max-width: none;
  flex: none;
}



/* Увеличенный gap между кнопками в правом углу хедера на solve-экране */
#screen-solve .header-right {
  gap: 20px;
}

/* Кнопка ВЫЙТИ — 3D-эффект как все кнопки */
#btn-back-mode {
  box-shadow: 5px 5px 0 var(--border-dim), 7px 7px 0 rgba(0,0,0,0.3);
  border-width: 3px;
  transition: all 0.1s;
}
#btn-back-mode:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--border-dim), 9px 9px 0 rgba(0,0,0,0.3);
}
#btn-back-mode:active {
  transform: translate(5px, 5px);
  box-shadow: 1px 1px 0 var(--border-dim) !important;
}

/* дублирующее правило .feedback-text (с !important) удалено — актуальные стили
   заданы в базовом блоке и в слое PIXEL 2.0 в конце файла */

/* choices-grid multi — вертикальный список с gap */
.choices-grid.multi {
  flex-direction: column !important;
  gap: 10px !important;
  margin-bottom: 1rem;
}

/* ============================================================
   ГЕЙМИФИКАЦИЯ: streak / XP / дневная цель / достижения
   ============================================================ */

/* --- Верхняя панель геймификации (главный экран) --- */
.gami-bar {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--surface);
  border: 3px solid var(--border-dim);
  padding: 0.85rem 1.25rem;
  margin-bottom: 1.25rem;
  width: 100%;
  flex-wrap: wrap;
}

.gami-streak {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: default;
}
.gami-streak-flame {
  display: block;
  width: 32px;
  height: 32px;
  image-rendering: pixelated;
  filter: grayscale(1) opacity(0.4);
  transition: filter 0.3s;
}
.gami-streak.is-active .gami-streak-flame {
  filter: none;
  animation: flame-flicker 1.4s ease-in-out infinite;
}
.gami-streak-num {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.9rem;
  line-height: 1;
  color: var(--text-dim);
}
.gami-streak.is-active .gami-streak-num { color: var(--accent-yellow); text-shadow: 0 0 10px var(--accent-yellow); }
@keyframes flame-flicker {
  0%, 100% { transform: scale(1) rotate(-2deg); }
  50% { transform: scale(1.12) rotate(2deg); }
}

.gami-level {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 160px;
}
.gami-level-badge {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.5rem;
  color: var(--bg);
  background: var(--accent-green);
  padding: 5px 8px;
  white-space: nowrap;
  flex-shrink: 0;
}
.gami-xp-bar {
  flex: 1;
  height: 14px;
  background: var(--bg2);
  border: 2px solid var(--border-dim);
  position: relative;
  overflow: hidden;
}
.gami-xp-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-blue));
  width: 0%;
  transition: width 0.6s cubic-bezier(.2,.9,.3,1);
  position: relative;
}
.gami-xp-fill::after {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, rgba(255,255,255,0.15) 0 6px, transparent 6px 12px);
}
.gami-xp-text {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.65rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.gami-daily-goal {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.gami-goal-ring { width: 34px; height: 34px; transform: rotate(-90deg); }
.gami-goal-ring-bg { fill: none; stroke: var(--border-dim); stroke-width: 3; }
.gami-goal-ring-fg {
  fill: none;
  stroke: var(--accent-yellow);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 100.5;
  stroke-dashoffset: 100.5;
  transition: stroke-dashoffset 0.6s ease;
}
.gami-daily-goal.is-complete .gami-goal-ring-fg { stroke: var(--accent-green); }
.gami-goal-text {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.5rem;
  color: var(--text-dim);
}
.gami-daily-goal.is-complete .gami-goal-text { color: var(--accent-green); }

@media (max-width: 640px) {
  .gami-bar { gap: 0.75rem; padding: 0.7rem 0.85rem; justify-content: space-between; }
  .gami-level { order: 3; flex-basis: 100%; }
}

/* --- Всплывающее уведомление о достижении --- */
.achievement-popup-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 1200;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}
.achievement-popup {
  pointer-events: all;
  background: var(--surface);
  border: 3px solid var(--accent-yellow);
  box-shadow: 5px 5px 0 0 var(--border-dim), 0 0 24px rgba(255, 214, 10, 0.35);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 320px;
  animation: achievement-in 0.35s cubic-bezier(.2,.9,.3,1.3);
}
.achievement-popup.leaving { animation: achievement-out 0.3s ease forwards; }
.achievement-popup-icon { font-size: 1.8rem; flex-shrink: 0; }
.achievement-popup-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.45rem;
  color: var(--accent-yellow);
  margin-bottom: 4px;
}
.achievement-popup-name { font-family: 'Share Tech Mono', monospace; font-size: 0.85rem; color: var(--text-bright); }
.achievement-popup-desc { font-family: 'Share Tech Mono', monospace; font-size: 0.7rem; color: var(--text-dim); margin-top: 2px; }
@keyframes achievement-in {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes achievement-out {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(120%); opacity: 0; }
}

/* --- Модалка нового уровня --- */
.levelup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 1300;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fade-in 0.2s ease;
  cursor: pointer;
}
.levelup-box {
  text-align: center;
  animation: levelup-pop 0.45s cubic-bezier(.2,.9,.3,1.3);
}
.levelup-label {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.3em;
  margin-bottom: 1rem;
}
.levelup-number {
  font-family: 'Press Start 2P', cursive;
  font-size: 4rem;
  color: var(--accent-yellow);
  text-shadow: 0 0 30px var(--accent-yellow), 0 0 60px var(--accent-yellow);
  animation: glow-pulse 1s ease-in-out infinite;
}
.levelup-hint {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 1.5rem;
}
@keyframes levelup-pop {
  0% { transform: scale(0.4) rotate(-8deg); opacity: 0; }
  60% { transform: scale(1.15) rotate(3deg); opacity: 1; }
  100% { transform: scale(1) rotate(0); }
}

/* --- Достижения (сетка бейджей в профиле) --- */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}
.achievement-card {
  background: var(--surface);
  border: 2px solid var(--border-dim);
  padding: 14px 10px;
  text-align: center;
  transition: all 0.15s;
}
.achievement-card.unlocked {
  border-color: var(--accent-yellow);
  box-shadow: 3px 3px 0 0 var(--border-dim), 0 0 14px rgba(255,214,10,0.2);
}
.achievement-card.locked { opacity: 0.45; filter: grayscale(0.8); }
.achievement-card-icon { font-size: 1.8rem; margin-bottom: 6px; }
.achievement-card-name {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.42rem;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 4px;
}
.achievement-card.unlocked .achievement-card-name { color: var(--accent-yellow); }
.achievement-card-desc { font-family: 'Share Tech Mono', monospace; font-size: 0.6rem; color: var(--text-dim); }

/* --- Календарь активности (стрик) --- */
.streak-calendar {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.streak-day {
  width: 18px; height: 18px;
  background: var(--bg2);
  border: 1px solid var(--border-dim);
  position: relative;
}
.streak-day[title]:hover::after { content: attr(title); }
.streak-day.has-activity { background: var(--accent-green); border-color: var(--accent-green); }
.streak-day.is-today { box-shadow: 0 0 0 2px var(--accent-yellow); }

/* --- Выбор дневной цели --- */
.daily-goal-picker {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.daily-goal-option {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.5rem;
  padding: 8px 12px;
  border: 2px solid var(--border-dim);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
}
.daily-goal-option:hover { border-color: var(--accent-green); color: var(--accent-green); }
.daily-goal-option.active { border-color: var(--accent-green); background: var(--accent-green); color: var(--bg); }

/* ============================================================
   PIXEL 2.0 — единый слой пиксельного редизайна.
   Сигнатура: настоящие ступенчатые NES-рамки (border-image).
   Плюс: пиксельное звёздное небо, CRT-виньетка, HP-бары,
   JRPG-курсор ►, дизеринг, sprite-анимации через steps().
   Держать в конце файла — слой выигрывает каскад.
   ============================================================ */

/* --- Токены --- */
:root {
  /* Ступенчатая NES-рамка: SVG 8x8, слайс 3 */
  --pxf-green:  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3E%3Cpath fill='%2300ff41' d='M2 0h4v1H2zM1 1h6v1H1zM0 2h3v1H0zM5 2h3v1H5zM0 3h2v2H0zM6 3h2v2H6zM0 5h3v1H0zM5 5h3v1H5zM1 6h6v1H1zM2 7h4v1H2z'/%3E%3C/svg%3E");
  --pxf-dim:    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3E%3Cpath fill='%231a5c2a' d='M2 0h4v1H2zM1 1h6v1H1zM0 2h3v1H0zM5 2h3v1H5zM0 3h2v2H0zM6 3h2v2H6zM0 5h3v1H0zM5 5h3v1H5zM1 6h6v1H1zM2 7h4v1H2z'/%3E%3C/svg%3E");
  --pxf-red:    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3E%3Cpath fill='%23ff6b6b' d='M2 0h4v1H2zM1 1h6v1H1zM0 2h3v1H0zM5 2h3v1H5zM0 3h2v2H0zM6 3h2v2H6zM0 5h3v1H0zM5 5h3v1H5zM1 6h6v1H1zM2 7h4v1H2z'/%3E%3C/svg%3E");
  --pxf-yellow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3E%3Cpath fill='%23ffd60a' d='M2 0h4v1H2zM1 1h6v1H1zM0 2h3v1H0zM5 2h3v1H5zM0 3h2v2H0zM6 3h2v2H6zM0 5h3v1H0zM5 5h3v1H5zM1 6h6v1H1zM2 7h4v1H2z'/%3E%3C/svg%3E");
  --star-opacity: 0.85;
  --vignette: rgba(0,0,0,0.30);
  --dither: rgba(255,255,255,0.022);
}
[data-theme="light"] {
  --pxf-green:  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3E%3Cpath fill='%231a7a1a' d='M2 0h4v1H2zM1 1h6v1H1zM0 2h3v1H0zM5 2h3v1H5zM0 3h2v2H0zM6 3h2v2H6zM0 5h3v1H0zM5 5h3v1H5zM1 6h6v1H1zM2 7h4v1H2z'/%3E%3C/svg%3E");
  --pxf-dim:    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3E%3Cpath fill='%238aad8a' d='M2 0h4v1H2zM1 1h6v1H1zM0 2h3v1H0zM5 2h3v1H5zM0 3h2v2H0zM6 3h2v2H6zM0 5h3v1H0zM5 5h3v1H5zM1 6h6v1H1zM2 7h4v1H2z'/%3E%3C/svg%3E");
  --pxf-red:    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3E%3Cpath fill='%23cc2222' d='M2 0h4v1H2zM1 1h6v1H1zM0 2h3v1H0zM5 2h3v1H5zM0 3h2v2H0zM6 3h2v2H6zM0 5h3v1H0zM5 5h3v1H5zM1 6h6v1H1zM2 7h4v1H2z'/%3E%3C/svg%3E");
  --pxf-yellow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3E%3Cpath fill='%23886600' d='M2 0h4v1H2zM1 1h6v1H1zM0 2h3v1H0zM5 2h3v1H5zM0 3h2v2H0zM6 3h2v2H6zM0 5h3v1H0zM5 5h3v1H5zM1 6h6v1H1zM2 7h4v1H2z'/%3E%3C/svg%3E");
  --star-opacity: 0;
  --vignette: rgba(0,0,0,0.07);
  --dither: rgba(0,0,0,0.03);
}

/* ============================================================
   ФОН: пиксельное звёздное небо + CRT-виньетка
   ============================================================ */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 3px; height: 3px;
  opacity: var(--star-opacity);
  pointer-events: none;
  z-index: 0;
  box-shadow:
    63vw  4vh 0 0 rgba(255,255,255,0.70),  28vw 23vh 0 0 rgba(0,255,65,0.50),
    73vw 67vh 0 0 rgba(0,180,216,0.50),    88vw  9vh 0 0 rgba(255,214,10,0.45),
    42vw  9vh 0 0 rgba(255,255,255,0.35),  22vw 51vh 0 0 rgba(255,255,255,0.70),
     4vw 20vh 0 0 rgba(0,255,65,0.50),     65vw 54vh 0 0 rgba(0,180,216,0.50),
    23vw 59vh 0 0 rgba(255,214,10,0.45),   80vw  2vh 0 0 rgba(255,255,255,0.35),
    80vw 78vh 0 0 rgba(255,255,255,0.70),  34vw 16vh 0 0 rgba(0,255,65,0.50),
    95vw 34vh 0 0 rgba(0,180,216,0.50),    10vw 11vh 0 0 rgba(255,214,10,0.45),
    84vw 60vh 0 0 rgba(255,255,255,0.35),  49vw 84vh 0 0 rgba(255,255,255,0.70),
    54vw 96vh 0 0 rgba(0,255,65,0.50),     38vw 43vh 0 0 rgba(0,180,216,0.50),
     7vw 88vh 0 0 rgba(255,214,10,0.45),   91vw 47vh 0 0 rgba(255,255,255,0.35),
    70vw  6vh 0 0 rgba(255,255,255,0.70),  17vw 33vh 0 0 rgba(0,255,65,0.50),
     9vw 64vh 0 0 rgba(0,180,216,0.50),    31vw 77vh 0 0 rgba(255,214,10,0.45),
    63vw 37vh 0 0 rgba(255,255,255,0.35),  37vw  5vh 0 0 rgba(255,255,255,0.70),
    27vw 93vh 0 0 rgba(0,255,65,0.50),     58vw 71vh 0 0 rgba(0,180,216,0.50),
    18vw 72vh 0 0 rgba(255,214,10,0.45),   45vw 28vh 0 0 rgba(255,255,255,0.35),
    98vw 64vh 0 0 rgba(255,255,255,0.70),  56vw 12vh 0 0 rgba(0,255,65,0.50),
    84vw 88vh 0 0 rgba(0,180,216,0.50),    12vw 44vh 0 0 rgba(255,214,10,0.45),
     3vw 72vh 0 0 rgba(255,255,255,0.35),  68vw 92vh 0 0 rgba(255,255,255,0.70),
    93vw 22vh 0 0 rgba(0,255,65,0.50),     50vw 58vh 0 0 rgba(0,180,216,0.50),
    76vw 40vh 0 0 rgba(255,214,10,0.45),   32vw 65vh 0 0 rgba(255,255,255,0.35);
  animation: star-twinkle 4s steps(2) infinite;
}
@keyframes star-twinkle {
  0%, 100% { opacity: var(--star-opacity); }
  50% { opacity: calc(var(--star-opacity) * 0.55); }
}

/* Сканлайны + виньетка одним слоем */
body::after {
  background:
    radial-gradient(ellipse at center, transparent 55%, var(--vignette) 100%),
    repeating-linear-gradient(0deg, var(--scanline) 0px, var(--scanline) 1px, transparent 1px, transparent 4px);
}
/* Экраны с собственной заливкой — открываем небо */
#screen-loading, .auth-scene { background: transparent; }

/* ============================================================
   ГЛОБАЛЬНАЯ ПИКСЕЛЬНАЯ ГИГИЕНА
   ============================================================ */
img, canvas { image-rendering: pixelated; }
::selection { background: var(--accent-green); color: var(--bg); text-shadow: none; }
:focus-visible { outline: 3px solid var(--accent-yellow); outline-offset: 2px; }

::-webkit-scrollbar { width: 14px; height: 14px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border-dim); border: 3px solid var(--bg2); }
::-webkit-scrollbar-thumb:hover { background: var(--accent-green); }
::-webkit-scrollbar-corner { background: var(--bg2); }
* { scrollbar-width: thin; scrollbar-color: var(--border-dim) var(--bg2); }

/* ============================================================
   СИГНАТУРА: СТУПЕНЧАТЫЕ NES-РАМКИ
   ============================================================ */

/* Панели общего назначения */
.pixel-border {
  border: 12px solid transparent;
  border-image: var(--pxf-dim) 37.5%;
  background-clip: padding-box;
  box-shadow: 8px 8px 0 0 rgba(0,0,0,0.35);
}

/* Карточки предметов и режимов */
.subject-card, .mode-card {
  border: 12px solid transparent;
  border-image: var(--pxf-dim) 37.5%;
  background-clip: padding-box;
  box-shadow: 8px 8px 0 0 rgba(0,0,0,0.35);
  position: relative;
}
.subject-card:hover, .mode-card:hover {
  border-image-source: var(--pxf-green);
  box-shadow: 10px 10px 0 0 rgba(0,0,0,0.4);
  transform: translate(-3px, -3px);
}
.subject-card:active, .mode-card:active {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0 0 rgba(0,0,0,0.3);
}
.subject-card.coming-soon:hover {
  border-image-source: var(--pxf-dim);
  transform: none;
  box-shadow: 8px 8px 0 0 rgba(0,0,0,0.35);
}

/* JRPG-селектор ► на карточках */
.subject-card::after, .mode-card::after {
  content: '►';
  position: absolute;
  top: 8px;
  left: 8px;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.7rem;
  color: var(--accent-green);
  opacity: 0;
  pointer-events: none;
}
.subject-card:not(.coming-soon):hover::after,
.mode-card:hover::after {
  opacity: 1;
  animation: blink 0.8s step-end infinite;
}

/* Карточка задания на экране решения */
.task-card {
  border: 12px solid transparent;
  border-image: var(--pxf-dim) 37.5%;
  background-clip: padding-box;
  box-shadow: 8px 8px 0 0 rgba(0,0,0,0.35);
}

/* Кнопки: рамка + классическое пиксельное нажатие */
.pixel-btn {
  border: 9px solid transparent;
  border-image: var(--pxf-green) 37.5%;
  background-clip: padding-box;
  padding: 7px 14px;
}
.pixel-btn.primary {
  border-image-source: var(--pxf-dim);
  box-shadow: 5px 5px 0 rgba(0,0,0,0.35);
}
.pixel-btn.primary:hover {
  border-image-source: var(--pxf-green);
  box-shadow: 7px 7px 0 rgba(0,0,0,0.4), 0 0 18px rgba(0,255,65,0.25);
}
.pixel-btn.secondary {
  border-image-source: var(--pxf-green);
  box-shadow: 5px 5px 0 rgba(0,0,0,0.35);
}
.pixel-btn.secondary:hover { background: var(--surface2); box-shadow: 7px 7px 0 rgba(0,0,0,0.4); }
.pixel-btn.danger {
  border-image-source: var(--pxf-red);
  box-shadow: 5px 5px 0 rgba(0,0,0,0.3);
}
.pixel-btn:active {
  transform: translate(3px, 3px);
  box-shadow: 1px 1px 0 rgba(0,0,0,0.3) !important;
}
.pixel-btn.small { border-width: 6px; padding: 5px 8px; }

/* Инпуты */
.pixel-input {
  border: 9px solid transparent;
  border-image: var(--pxf-dim) 37.5%;
  background-clip: padding-box;
  padding: 7px 9px;
}
.pixel-input:focus {
  border-image-source: var(--pxf-green);
  box-shadow: 0 0 12px rgba(0,255,65,0.35);
}

/* Модалки, confirm, мобильное меню */
.modal-box, .confirm-box {
  border: 12px solid transparent;
  border-image: var(--pxf-green) 37.5%;
  background-clip: padding-box;
  box-shadow: 8px 8px 0 rgba(0,0,0,0.5);
}
.mobile-menu {
  border: 9px solid transparent;
  border-image: var(--pxf-green) 37.5%;
  background-clip: padding-box;
}

/* Тосты */
.toast {
  border: 6px solid transparent;
  border-image: var(--pxf-green) 37.5%;
  background-clip: padding-box;
  padding: 8px 14px;
  box-shadow: 4px 4px 0 rgba(0,0,0,0.4);
}
.toast.error { border-image-source: var(--pxf-red); }
.toast.success { border-image-source: var(--pxf-green); }

/* Поповер достижения и открытые бейджи — золотая рамка */
.achievement-popup {
  border: 9px solid transparent;
  border-image: var(--pxf-yellow) 37.5%;
  background-clip: padding-box;
  box-shadow: 5px 5px 0 rgba(0,0,0,0.45), 0 0 24px rgba(255, 214, 10, 0.3);
}
.achievement-card.unlocked {
  border: 9px solid transparent;
  border-image: var(--pxf-yellow) 37.5%;
  background-clip: padding-box;
  box-shadow: 4px 4px 0 rgba(0,0,0,0.35), 0 0 14px rgba(255,214,10,0.15);
  padding: 9px 5px;
}

/* Двойная RPG-рамка на диалоге кота и auth-блоке
   (клип/рамку тут менять нельзя: стрелка пузыря и кот выходят за границы) */
.cat-bubble {
  box-shadow:
    inset 0 0 0 2px var(--bg),
    inset 0 0 0 4px var(--border-dim),
    5px 5px 0 0 var(--border-dim),
    7px 7px 0 0 rgba(0,0,0,0.35);
}

/* ============================================================
   СЕГМЕНТИРОВАННЫЕ HP-БАРЫ (как полоски здоровья в ретро-играх)
   ============================================================ */
.gami-xp-bar { position: relative; }
.gami-xp-fill { background: var(--accent-green); }
.gami-xp-fill::after { content: none; }
.gami-xp-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, transparent 0 10px, var(--bg2) 10px 13px);
  pointer-events: none;
}
.loading-bar-wrap { position: relative; }
.loading-bar-wrap::after {
  content: '';
  position: absolute;
  inset: 2px;
  background: repeating-linear-gradient(90deg, transparent 0 10px, var(--bg) 10px 13px);
  pointer-events: none;
}
/* Кольцо дневной цели: рубленые концы вместо гладких */
.gami-goal-ring-fg { stroke-linecap: butt; }

/* ============================================================
   ТИПОГРАФИКА: чёткие ступенчатые тени вместо размытых
   ============================================================ */
.pixel-title { text-shadow: 3px 3px 0 var(--border-dim); }
.section-title {
  padding-bottom: 12px;
  background-image: repeating-linear-gradient(90deg, var(--border-dim) 0 10px, transparent 10px 16px);
  background-size: 100% 4px;
  background-position: left bottom;
  background-repeat: no-repeat;
}
.subject-card-title, .mode-title { text-shadow: 2px 2px 0 rgba(0,0,0,0.4); }
[data-theme="light"] .subject-card-title,
[data-theme="light"] .mode-title { text-shadow: none; }

/* Хроматическая аберрация на логотипе (CRT-вайб) */
.pixel-logo {
  text-shadow:
    2px 0 0 rgba(255, 60, 120, 0.4),
    -2px 0 0 rgba(0, 180, 255, 0.4),
    4px 4px 0 var(--bg3),
    0 0 20px var(--accent-green);
}
@keyframes glow-pulse {
  0%, 100% {
    text-shadow:
      2px 0 0 rgba(255,60,120,0.4), -2px 0 0 rgba(0,180,255,0.4),
      4px 4px 0 var(--bg3), 0 0 20px var(--accent-green);
  }
  50% {
    text-shadow:
      2px 0 0 rgba(255,60,120,0.55), -2px 0 0 rgba(0,180,255,0.55),
      4px 4px 0 var(--bg3), 0 0 40px var(--accent-green), 0 0 60px var(--accent-green);
  }
}

/* ============================================================
   ДИЗЕР-ТЕКСТУРА НА ПОВЕРХНОСТЯХ (ретро-шейдинг)
   ============================================================ */
.subject-card, .mode-card, .auth-box, .details-block,
.stat-card, .chart-block, .gami-bar, .modal-box, .confirm-box, .task-card {
  background-image: repeating-conic-gradient(var(--dither) 0% 25%, transparent 0% 50%);
  background-size: 4px 4px;
}

/* ============================================================
   JRPG-КУРСОР ► В МЕНЮ ПРОФИЛЯ
   ============================================================ */
.sidebar { box-shadow: none; }
.sidebar-item {
  position: relative;
  padding: 14px 20px 14px 36px;
  border-left: none;
}
.sidebar-item::before {
  content: '►';
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.45rem;
  color: var(--accent-green);
  opacity: 0;
}
.sidebar-item:hover::before { opacity: 0.5; }
.sidebar-item.active::before {
  opacity: 1;
  animation: blink 0.8s step-end infinite;
}

/* ============================================================
   SPRITE-АНИМАЦИИ ЧЕРЕЗ STEPS() — движение "по кадрам"
   ============================================================ */
.gami-streak.is-active .gami-streak-flame {
  animation: flame-flicker 0.9s steps(2, end) infinite;
}
.levelup-number { animation: glow-pulse 1s steps(2, end) infinite; }

/* Аркадная инверсия на кнопках-номерах */
.number-btn:hover {
  background: var(--accent-green);
  color: var(--bg);
  border-color: var(--accent-green);
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 var(--border-dim);
}
.number-btn:active { transform: translate(1px, 1px); box-shadow: none; }
.number-btn.practiced:hover { color: var(--bg); }

/* Мелкие элементы управления */
.theme-toggle:hover { transform: translate(-1px, -1px); box-shadow: 2px 2px 0 var(--border-dim); }
.theme-toggle:active { transform: translate(1px, 1px); box-shadow: none; }

/* Заголовок: двойная линия снизу */
.pixel-header {
  border-bottom: 4px solid var(--border);
  box-shadow: 0 6px 0 0 var(--border-dim), 0 10px 0 0 rgba(0,0,0,0.25);
}

/* Точечные поправки */
.essay-notice { padding: 10px 12px; }
.essay-notice.pixel-border { border-image-source: var(--pxf-red); }

/* ============================================================
   ДОСТУПНОСТЬ: уважение reduced-motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   ГЕЙМИ-БАР 2.0: пиксельный шрифт, широкая NES-шкала,
   пиксельное кольцо цели, эффект перехода уровня
   ============================================================ */

/* Весь шрифт панели — пиксельный */
.gami-xp-text {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.5rem;
  color: var(--text-dim);
  white-space: nowrap;
}
.gami-goal-text { font-size: 0.55rem; }

/* Широкая XP-шкала со ступенчатой NES-рамкой */
.gami-xp-bar {
  height: 26px;
  border: 6px solid transparent;
  border-image: var(--pxf-dim) 37.5%;
  background-clip: padding-box;
  background-color: var(--bg2);
}
.gami-xp-fill { background: var(--accent-green); }

/* Мигание шкалы при переходе уровня */
.gami-xp-bar.is-flashing .gami-xp-fill {
  animation: xp-flash 0.16s steps(2, end) infinite;
}
@keyframes xp-flash {
  0%, 100% { background: var(--accent-green); }
  50% { background: var(--accent-yellow); }
}

/* Поп бейджа уровня после перехода */
.gami-level-badge { transition: none; }
.gami-level-badge.lvl-pop {
  animation: lvl-pop 0.5s steps(3, end);
}
@keyframes lvl-pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.6); background: var(--accent-yellow); }
  100% { transform: scale(1); }
}

/* Пиксельное кольцо дневной цели: 16 квадратов */
.gami-goal-ring { width: 38px; height: 38px; transform: none; }
.gami-goal-seg { fill: var(--border-dim); }
.gami-goal-seg.lit { fill: var(--accent-yellow); }
.gami-daily-goal.is-complete .gami-goal-seg.lit { fill: var(--accent-green); }

/* Тот же стиль для XP-шкалы в профиле */
#profile-gami-xp-fill { background: var(--accent-green); }

@media (prefers-reduced-motion: reduce) {
  .gami-xp-bar.is-flashing .gami-xp-fill, .gami-level-badge.lvl-pop { animation: none !important; }
}

/* ============================================================
   КАРТОЧКИ РЕЖИМА: крупные иконки и заголовки на всё пространство
   ============================================================ */
.mode-card {
  padding: 2.5rem 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}
.mode-icon {
  margin-bottom: 0;
  line-height: 0;
  align-self: stretch;
  display: flex;
  justify-content: center;
}
.mode-icon img {
  width: 200px;
  max-width: 60%;
  height: auto;
  image-rendering: pixelated;
}
.mode-title {
  font-size: 1.15rem;
  line-height: 1.8;
  margin-bottom: 0;
}
.mode-desc { display: none; }
@media (max-width: 640px) {
  .mode-icon img { width: 150px; max-width: 55%; }
  .mode-title { font-size: 0.9rem; }
}

/* ============================================================
   ПАНЕЛЬ ВЫБОРА НОМЕРА: NES-рамки, пиксельные замки, заголовок
   ============================================================ */

/* Заголовок панели: акцент вместо серого + пиксельное подчёркивание */
.grid-title {
  color: var(--accent-green);
  font-size: 0.8rem;
  text-shadow: 2px 2px 0 rgba(0,0,0,0.5), 0 0 14px rgba(0,255,65,0.25);
  letter-spacing: 0.15em;
  padding-bottom: 14px;
  margin-bottom: 1.5rem;
  background-image: repeating-linear-gradient(90deg, var(--border-dim) 0 10px, transparent 10px 16px);
  background-size: 220px 4px;
  background-position: center bottom;
  background-repeat: no-repeat;
}
[data-theme="light"] .grid-title { text-shadow: none; }

/* Кнопки номеров: крупнее, широкая ступенчатая рамка */
.numbers-grid { gap: 10px; }
.number-btn {
  width: 64px;
  height: 64px;
  border: 6px solid transparent;
  border-image: var(--pxf-dim) 37.5%;
  background-clip: padding-box;
  font-size: 0.8rem;
  box-shadow: 3px 3px 0 rgba(0,0,0,0.3);
}
.number-btn:hover {
  border-image-source: var(--pxf-green);
  box-shadow: 4px 4px 0 rgba(0,0,0,0.35);
}
.number-btn.practiced { border-image-source: var(--pxf-green); }
/* Заблокированные: гравировка вместо мутной прозрачности + пиксельный замок */
.number-btn.blocked {
  opacity: 1;
  background-color: var(--bg2);
  color: var(--border-dim) !important;
  text-shadow: 1px 1px 0 rgba(0,0,0,0.6);
  border-image-source: var(--pxf-dim) !important;
  box-shadow: none;
}
.number-btn.blocked:hover {
  transform: none;
  background-color: var(--bg2);
}
.number-btn.blocked::after {
  content: '';
  width: 16px;
  height: 18px;
  top: -6px;
  right: -6px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='9' viewBox='0 0 8 9'%3E%3Cpath fill='%239aa7b8' d='M2 0h4v1H2zM2 1h1v2H2zM5 1h1v2H5z'/%3E%3Cpath fill='%23ffd60a' d='M1 3h6v5H1z'/%3E%3Cpath fill='%23b58900' d='M1 7h6v1H1z'/%3E%3Cpath fill='%23403000' d='M3 4h2v2H3z'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  image-rendering: pixelated;
  animation: lock-bob 2.2s steps(2, end) infinite;
}
.number-btn.blocked:hover::after {
  animation: lock-shake 0.35s steps(4, end) infinite;
}
@keyframes lock-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-2px); }
}
@keyframes lock-shake {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(-2px, 0) rotate(-8deg); }
  75% { transform: translate(2px, 0) rotate(8deg); }
}
@media (prefers-reduced-motion: reduce) {
  .number-btn.blocked::after { animation: none !important; }
}

/* ============================================================
   ⚔ ЭКСПЕДИЦИЯ: карточка режима, недельный календарь,
   перо феникса, модалки и анимации
   ============================================================ */

/* Карточка экспедиции */
.mode-expedition .expedition-glyph {
  image-rendering: pixelated;
  filter: drop-shadow(4px 4px 0 rgba(0,0,0,0.45));
}
.expedition-badge {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.45rem;
  color: var(--accent-yellow);
  border: 2px solid var(--accent-yellow);
  padding: 5px 8px;
  letter-spacing: 0.1em;
}
.mode-expedition:hover { border-image-source: var(--pxf-yellow); }
.mode-expedition.done { opacity: 0.6; cursor: not-allowed; }
.mode-expedition.done:hover {
  border-image-source: var(--pxf-dim);
  transform: none;
  box-shadow: 8px 8px 0 0 rgba(0,0,0,0.35);
}
.mode-expedition.done .expedition-badge { color: var(--accent-green); border-color: var(--accent-green); }
.mode-expedition.done .expedition-glyph { filter: grayscale(0.8); }

/* Недельный календарь Пн–Вс */
.week-calendar {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  justify-content: flex-start;
}
.week-day { text-align: center; }
.week-day-label {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.4rem;
  color: var(--text-dim);
  margin-bottom: 5px;
}
.week-day-cell {
  width: 34px;
  height: 34px;
  background: var(--bg2);
  border: 2px solid var(--border-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-dim);
}
.week-day.today .week-day-cell { box-shadow: 0 0 0 2px var(--accent-yellow); }
.week-day.done .week-day-cell {
  border-color: var(--accent-yellow);
  background: rgba(255, 214, 10, 0.12);
}
.week-progress-text {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.55rem;
  color: var(--accent-yellow);
  margin-top: 10px;
  opacity: 0;
}
.week-progress-text.shown { opacity: 1; }

/* Оверлей анимации завершения экспедиции (~2 сек) */
.week-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  z-index: 1300;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fade-in 0.25s ease;
  cursor: pointer;
}
.week-box { text-align: center; }
.week-box-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.8rem;
  color: var(--accent-yellow);
  text-shadow: 0 0 18px rgba(255,214,10,0.4);
  margin-bottom: 1.5rem;
}
.week-box .week-calendar { justify-content: center; }
.week-box .week-progress-text { transition: opacity 0.3s; }

/* Сегодняшний день: свечение → загорание */
.week-day.charging .week-day-cell {
  animation: day-charge 0.3s steps(2, end) infinite;
}
@keyframes day-charge {
  0%, 100% { box-shadow: 0 0 0 2px var(--accent-yellow); background: var(--bg2); }
  50% { box-shadow: 0 0 14px 4px rgba(255,214,10,0.7); background: rgba(255,214,10,0.25); }
}
.week-day.ignite .week-day-cell {
  animation: day-ignite 0.5s steps(3, end);
  border-color: var(--accent-yellow);
  background: rgba(255,214,10,0.12);
}
@keyframes day-ignite {
  0% { transform: scale(1); }
  40% { transform: scale(1.5); box-shadow: 0 0 24px 8px rgba(255,150,10,0.8); }
  100% { transform: scale(1); }
}

/* Награда и вспышка пера феникса */
.feather-overlay, .feather-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  z-index: 1350;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fade-in 0.25s ease;
}
.feather-overlay { cursor: pointer; }
.feather-box { text-align: center; position: relative; }
.feather-icon-big {
  font-size: 4rem;
  animation: feather-float 1.2s steps(3, end) infinite;
  filter: drop-shadow(0 0 18px rgba(255,180,60,0.8));
}
@keyframes feather-float {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-8px) rotate(4deg); }
}
.feather-flash {
  position: absolute;
  inset: -40px;
  background: radial-gradient(circle, rgba(255,200,80,0.55) 0%, transparent 65%);
  animation: feather-flash 0.6s steps(4, end);
  pointer-events: none;
}
@keyframes feather-flash {
  0% { opacity: 0; transform: scale(0.3); }
  40% { opacity: 1; transform: scale(1.4); }
  100% { opacity: 0; transform: scale(1); }
}
.feather-award-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 1rem;
  color: var(--accent-yellow);
  text-shadow: 0 0 20px rgba(255,180,60,0.6);
  margin-top: 1rem;
}
.feather-award-desc {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.9rem;
  color: var(--text);
  margin-top: 0.8rem;
  line-height: 1.6;
}

/* Модалка "пропущен день" */
.feather-modal {
  background: var(--surface);
  padding: 2rem;
  max-width: 460px;
  text-align: center;
  border-image-source: var(--pxf-yellow) !important;
}
.feather-modal-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.8rem;
  color: var(--accent-yellow);
  margin-bottom: 1.2rem;
}
.feather-modal-text {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.feather-modal-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feather-icon-big.burn { animation: feather-burn 0.8s steps(4, end) forwards; }
@keyframes feather-burn {
  0% { transform: scale(1); opacity: 1; }
  60% { transform: scale(1.6); opacity: 1; filter: drop-shadow(0 0 30px rgba(255,120,20,1)); }
  100% { transform: scale(0.4); opacity: 0; }
}

/* Блок пера феникса в профиле */
.feather-block {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-top: 16px;
  padding: 14px;
  background: var(--bg2);
  border: 2px solid var(--border-dim);
}
.feather-block-icon { font-size: 2rem; filter: drop-shadow(0 0 8px rgba(255,180,60,0.5)); }
.feather-block-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.55rem;
  color: var(--accent-yellow);
  margin-bottom: 6px;
}
.feather-block-count {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.5rem;
  color: var(--text);
  margin-bottom: 6px;
}
.feather-max { color: var(--text-dim); }
.feather-block-desc {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.5;
}

@media (prefers-reduced-motion: reduce) {
  .week-day.charging .week-day-cell, .week-day.ignite .week-day-cell,
  .feather-icon-big, .feather-flash { animation: none !important; }
}

/* ============================================================
   БЛОК ФИДБЭКА 2.0: толстая пиксельная рамка, кот-маскот
   вынесен за рамку как облачко его реплики, адаптивный текст
   ============================================================ */

.answer-feedback {
  border: 10px solid transparent;
  border-image: var(--pxf-dim) 37.5%;
  background-clip: padding-box;
  box-shadow: 7px 7px 0 rgba(0,0,0,0.4);
  padding: 22px 22px 20px 22px;
  margin-top: 2.4rem; /* место для кота, поднимающегося над рамкой */
  min-height: 88px;
  justify-content: center;
}
.answer-feedback.correct { border-image-source: var(--pxf-green); }
.answer-feedback.wrong, .answer-feedback.no-answer { border-image-source: var(--pxf-red); }

/* Хвостик пузыря — треугольник вверх, к коту */
.answer-feedback::after {
  content: '';
  position: absolute;
  top: -17px;
  left: 26px;
  border: 11px solid transparent;
  border-bottom-color: var(--border-dim);
}
.answer-feedback.correct::after { border-bottom-color: #0e4a22; }
.answer-feedback.wrong::after, .answer-feedback.no-answer::after { border-bottom-color: #4a1010; }

/* Кот: крупный, поверх верхней рамки блока — как облачко его реплики */
.feedback-cat {
  position: absolute;
  top: -78px;
  left: -8px;
  z-index: 3;
  pointer-events: none;
}
.feedback-cat canvas {
  width: 100px;
  height: 100px;
  image-rendering: pixelated;
  filter: drop-shadow(3px 3px 0 rgba(0,0,0,0.35));
}

.feedback-status {
  color: var(--text-bright, var(--text));
  text-shadow: 2px 2px 0 rgba(0,0,0,0.4);
}
.answer-feedback.correct .feedback-status { color: var(--accent-green); }
.answer-feedback.wrong .feedback-status, .answer-feedback.no-answer .feedback-status { color: var(--accent-red); }
.feedback-status .correct-answer-reveal { color: var(--text); text-shadow: none; }
.feedback-status .correct-answer-reveal strong { color: var(--accent-yellow); }

.feedback-text { color: var(--text-dim); white-space: pre-wrap; word-break: break-word; }

/* Адаптивный размер под длину текста — короткие реплики заполняют пузырь */
.answer-feedback[data-text-size="xl"] .feedback-status { font-size: 1.7rem; }
.answer-feedback[data-text-size="xl"] .feedback-text { font-size: 1.3rem; }
.answer-feedback[data-text-size="lg"] .feedback-status { font-size: 1.1rem; }
.answer-feedback[data-text-size="lg"] .feedback-text { font-size: 1rem; }
.answer-feedback[data-text-size="md"] .feedback-status { font-size: 0.8rem; }
.answer-feedback[data-text-size="md"] .feedback-text { font-size: 0.85rem; }
.answer-feedback[data-text-size="sm"] .feedback-status { font-size: 0.6rem; }
.answer-feedback[data-text-size="sm"] .feedback-text { font-size: 0.75rem; }
.answer-feedback:not([data-text-size]) .feedback-status { font-size: 0.6rem; }
.answer-feedback:not([data-text-size]) .feedback-text { font-size: 0.75rem; }

@media (max-width: 640px) {
  .feedback-cat { top: -62px; left: -4px; }
  .feedback-cat canvas { width: 76px; height: 76px; }
  .answer-feedback[data-text-size="xl"] .feedback-status { font-size: 1.3rem; }
  .answer-feedback[data-text-size="xl"] .feedback-text { font-size: 1rem; }
  .answer-feedback[data-text-size="lg"] .feedback-status { font-size: 0.9rem; }
}