:root {
  --bg-main: #0f1021;
  --bg-card: #181a32;
  --bg-elevated: #232646;
  --border: #353963;
  --text-main: #f8fafc;
  --text-muted: #a5b4fc;
  --accent: #f472b6;
  --accent-2: #38bdf8;
  --accent-purple: #c084fc;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.65;
  min-height: 100vh;
}

.topbar {
  background: rgba(24, 26, 50, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 12px 20px;
}

.topbar-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #ec4899, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(236, 72, 153, 0.4);
}

.brand-eyebrow {
  display: block;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-purple);
}

.brand h1 {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.2;
}

.stats-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.stat-pill {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  color: #e2e8f0;
}

.stat-pill strong {
  color: var(--accent);
  font-weight: 800;
}

.nav-tabs {
  max-width: 1240px;
  margin: 16px auto 0;
  padding: 0 20px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-tab {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 10px 16px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 13.5px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.nav-tab:hover {
  border-color: var(--accent);
}

.nav-tab.active {
  background: linear-gradient(135deg, #ec4899, #8b5cf6);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(236, 72, 153, 0.35);
}

.container {
  max-width: 1240px;
  margin: 18px auto 60px;
  padding: 0 20px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* HERO CARD */
.hero-card {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.16), rgba(139, 92, 246, 0.16));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px 26px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 20px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

.hero-tag {
  display: inline-block;
  background: rgba(244, 114, 182, 0.18);
  color: #f9a8d4;
  border: 1px solid rgba(244, 114, 182, 0.35);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 8px;
}

.hero-card h2 {
  font-size: 21px;
  font-weight: 800;
  margin-bottom: 8px;
}

.hero-card p {
  color: #cbd5e1;
  font-size: 14.5px;
}

.hero-summary-pills {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.hero-pill {
  background: rgba(15, 16, 33, 0.65);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
}

.hero-pill .num {
  display: block;
  font-size: 16px;
  font-weight: 800;
  color: var(--accent-2);
}

.hero-pill .lbl {
  display: block;
  font-size: 11.5px;
  color: #cbd5e1;
}

/* STEPPER I LEKCJE */
.lesson-stepper {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.step-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: #cbd5e1;
  padding: 9px 14px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.15s ease;
}

.step-btn:hover {
  border-color: var(--accent-purple);
  color: #fff;
}

.step-btn.active {
  background: rgba(192, 132, 252, 0.22);
  border-color: var(--accent-purple);
  color: #fff;
  box-shadow: 0 0 0 1px var(--accent-purple);
}

.step-btn.done {
  border-color: rgba(52, 211, 153, 0.5);
}

.lesson-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.lesson-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.lesson-pages-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-2);
  margin-bottom: 4px;
}

.lesson-header h3 {
  font-size: 20px;
  font-weight: 800;
}

.lesson-callout {
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 18px;
  font-size: 14.5px;
}

.lesson-sections {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lesson-block {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}

.lesson-block h4,
.lesson-block h3 {
  font-size: 16.5px;
  color: #f9a8d4;
  margin-bottom: 10px;
}

.lesson-block p {
  margin-bottom: 8px;
}

.highlight-box {
  background: rgba(56, 189, 248, 0.11);
  border-left: 4px solid var(--accent-2);
  padding: 12px 16px;
  border-radius: 8px;
  margin: 12px 0;
  font-size: 14px;
}

.mnemonic-box,
.lesson-mnemonic {
  background: rgba(244, 114, 182, 0.12);
  border-left: 4px solid var(--accent);
  padding: 14px 16px;
  border-radius: 8px;
  margin: 12px 0;
  font-size: 14px;
}

/* PRZYCISKI */
.btn,
.btn-primary,
.btn-secondary,
.sound-btn,
.mini-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.btn,
.btn-primary {
  background: linear-gradient(135deg, #ec4899, #8b5cf6);
  color: #fff;
  border: none;
  padding: 10px 16px;
  font-size: 13.5px;
}

.btn:hover,
.btn-primary:hover {
  opacity: 0.94;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-main);
  border: 1px solid var(--border);
  padding: 10px 15px;
  font-size: 13.5px;
}

.btn-secondary:hover {
  border-color: var(--accent);
}

.btn-blue {
  background: linear-gradient(135deg, #0284c7, #2563eb);
  color: #fff;
  border: none;
  padding: 10px 16px;
  font-size: 13.5px;
}

.sound-btn {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  border: none;
  padding: 9px 15px;
  font-size: 13px;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.sound-btn.secondary {
  background: linear-gradient(135deg, #0284c7, #4f46e5);
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.25);
}

.sound-btn.warn {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
}

.sound-btn-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.mini-btn {
  background: var(--bg-elevated);
  color: #e2e8f0;
  border: 1px solid var(--border);
  padding: 6px 11px;
  font-size: 12px;
}

.mini-btn:hover {
  border-color: var(--accent-2);
  color: #fff;
}

/* SIATKA 16 ALIKWOTÓW I OKTAW A */
.harmonics-grid,
.alikwoty-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(125px, 1fr));
  gap: 9px;
  margin-top: 12px;
}

.harmonic-chip {
  background: rgba(15, 16, 33, 0.75);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 8px;
  text-align: center;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: all 0.15s ease;
}

.harmonic-chip:hover {
  border-color: var(--accent-2);
  transform: translateY(-2px);
  background: rgba(56, 189, 248, 0.14);
}

.harmonic-chip.impure {
  border-color: rgba(251, 191, 36, 0.55);
  background: rgba(251, 191, 36, 0.1);
}

.harmonic-chip.active-playing {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.16);
}

.harmonic-chip .h-nr {
  font-size: 11px;
  color: #94a3b8;
  font-weight: 700;
}

.harmonic-chip .h-note {
  font-family: 'JetBrains Mono', monospace;
  font-size: 19px;
  font-weight: 800;
  color: #fff;
}

.harmonic-chip.impure .h-note {
  color: #fde68a;
}

.harmonic-chip .h-oct {
  font-size: 11px;
  color: #cbd5e1;
}

.harmonic-chip .h-freq {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--accent-2);
  margin-top: 2px;
}

/* MINI CHECK BOX W LEKCJACH */
.mini-check-box {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: 14px;
  padding: 18px;
  margin-top: 20px;
}

.mini-check-box h4 {
  font-size: 15.5px;
  color: #6ee7b7;
  margin-bottom: 10px;
}

.mini-check-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.input-field {
  flex: 1;
  min-width: 200px;
  background: var(--bg-main);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 14.5px;
  font-family: inherit;
}

.input-field:focus {
  outline: none;
  border-color: var(--accent-2);
}

.feedback-msg {
  margin-top: 10px;
  font-size: 13.5px;
  border-radius: 10px;
}

.feedback-msg.ok {
  padding: 10px 14px;
  background: rgba(16, 185, 129, 0.14);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #a7f3d0;
}

.feedback-msg.err {
  padding: 10px 14px;
  background: rgba(248, 113, 113, 0.14);
  border: 1px solid rgba(248, 113, 113, 0.4);
  color: #fecaca;
}

/* LABORATORIUM (TAB 2) */
.lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(460px, 1fr));
  gap: 20px;
}

@media (max-width: 600px) {
  .lab-grid {
    grid-template-columns: 1fr;
  }
}

.lab-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.lab-card h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 6px;
}

.lab-desc {
  font-size: 13.5px;
  color: #cbd5e1;
  margin-bottom: 14px;
}

.canvas-wrap {
  background: #090a14;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 14px;
}

.canvas-wrap canvas {
  width: 100%;
  height: auto;
  display: block;
}

.slider-group {
  margin-bottom: 14px;
}

.slider-group label {
  display: flex;
  justify-content: space-between;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 5px;
}

.slider-val {
  color: var(--accent-2);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
}

.slider-group input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}

.timbre-pills {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.timbre-pill {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: #cbd5e1;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.timbre-pill.active {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--accent-2);
  color: #fff;
}

/* DOŚWIADCZENIE FORTEPIANOWE */
.piano-exp {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}

.piano-keys-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.piano-key-btn {
  background: #f8fafc;
  color: #0f172a;
  border: 3px solid #cbd5e1;
  border-radius: 0 0 12px 12px;
  padding: 16px 10px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  transition: all 0.15s ease;
}

.piano-key-btn .key-sub {
  font-size: 11px;
  color: #475569;
}

.piano-key-btn.selected {
  background: #fef08a;
  border-color: #f59e0b;
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.45);
  transform: translateY(3px);
}

.piano-result {
  margin-top: 14px;
  padding: 14px 16px;
  background: rgba(15, 16, 33, 0.8);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 14px;
}

/* TRENER 16 ALIKWOTÓW (TAB 3) */
.symbol-toolbar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 10px 0 14px;
}

.sym-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: #fde68a;
  padding: 6px 12px;
  border-radius: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
}

.sym-btn:hover {
  border-color: #fde68a;
}

.harmonic-trainer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
}

.harmonic-slot {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.harmonic-slot.correct {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.12);
}

.harmonic-slot.wrong {
  border-color: #f87171;
  background: rgba(248, 113, 113, 0.12);
}

.slot-nr {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--accent-purple);
}

.harmonic-input {
  width: 100%;
  background: var(--bg-main);
  border: 1px solid var(--border);
  color: #fff;
  padding: 8px;
  border-radius: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 700;
  text-align: center;
}

.slot-oct {
  font-size: 11px;
  color: #94a3b8;
  text-align: center;
}

/* ZADANIA 1-8 ZE STR. 15 */
.ex15-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ex15-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.ex15-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.ex15-num {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #ec4899, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  flex-shrink: 0;
}

.ex15-q {
  font-size: 16.5px;
  font-weight: 800;
}

.ex15-guide {
  background: rgba(56, 189, 248, 0.1);
  border-left: 3px solid var(--accent-2);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13.5px;
  color: #cbd5e1;
  margin-bottom: 12px;
}

.ex15-textarea {
  width: 100%;
  min-height: 78px;
  background: var(--bg-main);
  border: 1px solid var(--border);
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  font-family: inherit;
  font-size: 14px;
  margin-bottom: 12px;
  resize: vertical;
}

.ex15-model {
  display: none;
  margin-top: 14px;
  padding: 16px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: 12px;
  font-size: 14px;
}

.ex15-model.visible {
  display: block;
}

/* ĆWICZENIA OTWARTE I FISZKI (TAB 4) */
.open-ex-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 14px;
}

.open-ex-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.open-ex-card .q-title {
  font-size: 14.5px;
  font-weight: 600;
}

.flashcard-deck {
  max-width: 680px;
  margin: 0 auto;
}

.flashcard-box {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.18), rgba(56, 189, 248, 0.15));
  border: 2px solid var(--border);
  border-radius: 18px;
  min-height: 220px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  cursor: pointer;
  margin-bottom: 14px;
  transition: transform 0.15s ease;
}

.flashcard-box:hover {
  border-color: var(--accent);
}

.flashcard-cat {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-purple);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.flashcard-q {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 14px;
}

.flashcard-hint {
  font-size: 12px;
  color: #94a3b8;
}

.flashcard-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* GALERIA SKANÓW PODRĘCZNIKA (TAB 5) */
.pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}

.page-thumb {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
}

.page-thumb:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.page-thumb img {
  width: 100%;
  height: 290px;
  object-fit: cover;
  display: block;
}

.page-thumb-caption {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-thumb-caption strong {
  font-size: 14px;
  color: var(--accent-2);
}

.page-thumb-caption span {
  font-size: 12.5px;
  color: #cbd5e1;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  max-width: 980px;
  width: 100%;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-content img, .modal-box img {
  max-width: 100%;
  max-height: calc(92vh - 60px);
  object-fit: contain;
  margin: 0 auto;
  display: block;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  max-width: 980px;
  width: 100%;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-body {
  overflow: auto;
  padding: 10px;
}

/* ==================== GRY I QUIZY DLA KALINY (ZERO DŁUGICH TEKSTÓW!) ==================== */
.game-Mode-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(185px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.game-mode-card {
  background: rgba(24, 26, 48, 0.88);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 14px 12px;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  transition: all 0.16s ease;
  font-family: inherit;
}

.game-mode-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-2);
  background: rgba(56, 189, 248, 0.12);
}

.game-mode-card.active {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.28), rgba(168, 85, 247, 0.24));
  border-color: #f472b6;
  box-shadow: 0 8px 24px rgba(236, 72, 153, 0.28);
}

.gm-icon {
  font-size: 28px;
  line-height: 1.1;
}

.gm-title {
  font-size: 15px;
  font-weight: 800;
  color: #fff;
}

.gm-sub {
  font-size: 12px;
  color: #cbd5e1;
}

.game-stage-card {
  background: linear-gradient(145deg, rgba(24, 26, 48, 0.96), rgba(15, 16, 33, 0.96));
  border: 2px solid rgba(168, 85, 247, 0.45);
  border-radius: 22px;
  padding: 26px;
  box-shadow: var(--shadow);
}

.game-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.game-progress-pill {
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.45);
  color: #7dd3fc;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 800;
}

.game-big-question {
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 900;
  line-height: 1.3;
  color: #fff;
  text-align: center;
  margin: 14px 0 18px;
}

.game-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.game-opt-btn {
  background: rgba(30, 33, 62, 0.92);
  border: 2px solid rgba(148, 163, 184, 0.35);
  border-radius: 16px;
  padding: 16px 18px;
  color: #f8fafc;
  font-size: 16px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 12px;
}

.game-opt-btn:hover:not(:disabled) {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.16);
  transform: translateY(-2px);
}

.game-opt-btn.correct {
  background: rgba(16, 185, 129, 0.28) !important;
  border-color: #10b981 !important;
  color: #ecfdf5 !important;
}

.game-opt-btn.wrong {
  background: rgba(244, 63, 94, 0.24) !important;
  border-color: #f43f5e !important;
  color: #ffe4e6 !important;
}

.game-opt-btn.hidden-5050 {
  opacity: 0.22;
  pointer-events: none;
  text-decoration: line-through;
}

.opt-letter {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(236, 72, 153, 0.25);
  border: 1px solid rgba(236, 72, 153, 0.55);
  color: #fbcfe8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  flex-shrink: 0;
}

.game-instant-rule {
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(56, 189, 248, 0.18));
  border: 2px solid #10b981;
  font-size: 16px;
  font-weight: 800;
  color: #ecfdf5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* GRA 2: PRAWDA / FAŁSZ */
.tf-buttons-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 620px;
  margin: 18px auto 0;
}

.tf-big-btn {
  padding: 22px 18px;
  border-radius: 18px;
  font-size: 22px;
  font-weight: 900;
  cursor: pointer;
  border: 3px solid transparent;
  font-family: inherit;
  transition: transform 0.15s ease;
}

.tf-big-btn:hover:not(:disabled) {
  transform: scale(1.03);
}

.tf-big-btn.true-btn {
  background: rgba(16, 185, 129, 0.22);
  border-color: #10b981;
  color: #6ee7b7;
}

.tf-big-btn.false-btn {
  background: rgba(244, 63, 94, 0.22);
  border-color: #f43f5e;
  color: #fda4af;
}

/* GRA 3: POŁĄCZ W PARY */
.match-board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 14px;
}

@media (max-width: 650px) {
  .match-board {
    grid-template-columns: 1fr;
  }
}

.match-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.match-tile {
  background: rgba(30, 33, 62, 0.92);
  border: 2px solid rgba(148, 163, 184, 0.4);
  border-radius: 14px;
  padding: 15px 16px;
  font-size: 15.5px;
  font-weight: 800;
  color: #fff;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
  font-family: inherit;
}

.match-tile:hover:not(:disabled) {
  border-color: #38bdf8;
}

.match-tile.selected {
  background: rgba(236, 72, 153, 0.28);
  border-color: #f472b6;
  transform: scale(1.02);
}

.match-tile.matched {
  background: rgba(16, 185, 129, 0.24);
  border-color: #10b981;
  color: #a7f3d0;
  cursor: default;
}

.match-tile.error-shake {
  background: rgba(244, 63, 94, 0.3);
  border-color: #f43f5e;
}

/* ZAKŁADKA 2: 8 ZADAŃ ZE STR. 15 NA 1 KLIK */
.compact-banner {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.18), rgba(56, 189, 248, 0.14));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px 22px;
  margin-bottom: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.compact-banner h2 {
  font-size: 20px;
  font-weight: 800;
}

.compact-banner p {
  font-size: 14px;
  color: #cbd5e1;
}

.ex15-fast-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 16px;
}

@media (max-width: 600px) {
  .ex15-fast-grid {
    grid-template-columns: 1fr;
  }
}

.ex15-fast-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ex15-fast-card.done {
  border-color: #10b981;
}

.ex15-pill-rule {
  background: rgba(251, 191, 36, 0.14);
  border: 1px solid rgba(251, 191, 36, 0.45);
  color: #fde68a;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 800;
}

/* ZAKŁADKA 4: 6 KART OBRAZKOWYCH */
.visual-cheat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 16px;
}

.visual-cheat-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
}

.visual-cheat-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.visual-cheat-card li {
  background: rgba(15, 16, 33, 0.65);
  padding: 9px 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  color: #f1f5f9;
}