/* ============================================================
   style.css – Šalina Brno – DPMB kvízová aplikace
   Barevné schéma: DPMB žlutá (#FFD100), tmavě námořní (#3a71b2), bílá
   ============================================================ */

/* ---- Proměnné ---- */
:root {
  --blue:       #3a71b2;
  --blue-dark:  #2d5a8e;
  --blue-mid:   #2d5a8e;
  --blue-light: #5a8ec8;
  --blue-pale:  #e8f0fb;
  --red:        #da2127;
  --red-dark:   #b81c21;
  --red-light:  #fde8e8;
  --white:      #ffffff;
  --gray-light: #f5f6fa;
  --gray-mid:   #dde3ec;
  --gray-dark:  #8899aa;
  --green:      #27ae60;
  --green-light:#d5f5e3;
  --wrong:      #e74c3c;
  --wrong-light:#fce4e4;
  --orange:     #f39c12;
  --radius:     16px;
  --radius-sm:  8px;
  --shadow:     0 4px 20px rgba(58,113,178,0.15);
  --shadow-lg:  0 8px 40px rgba(58,113,178,0.25);
  --transition: 0.25s ease;
  --font:       'Open Sans', 'Segoe UI', Arial, sans-serif;
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--gray-light);
  color: var(--blue);
  min-height: 100vh;
  overflow-x: hidden;
}

button {
  cursor: pointer;
  font-family: var(--font);
  border: none;
  outline: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

button:active {
  transform: scale(0.97);
}

/* ---- SVG Icon System ---- */
.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.125em;
  flex-shrink: 0;
  overflow: visible;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-lg {
  width: 1.3em;
  height: 1.3em;
  vertical-align: -0.2em;
}
.icon-section {
  width: 1.4em;
  height: 1.4em;
}
.icon-xl {
  width: 3.5em;
  height: 3.5em;
}
.icon-star-filled { fill: currentColor; }

/* ---- App Container ---- */
#app {
  max-width: 640px;
  margin: 0 auto;
  min-height: 100vh;
  position: relative;
}

/* ---- Screens ---- */
.screen {
  display: none;
  flex-direction: column;
  min-height: 100vh;
  animation: fadeIn 0.3s ease;
}

.screen.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Header ---- */
.screen-header {
  background: var(--blue);
  color: var(--white);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.header-logo {
  height: 28px;
  width: auto;
  flex-shrink: 0;
  margin-left: auto;
  background: white;
  border-radius: 6px;
  padding: 3px 8px;
}

.screen-header h2 {
  font-size: 1.2rem;
  font-weight: 700;
  flex: 1;
}

.btn-back {
  background: var(--blue-light);
  color: var(--white);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 1.1rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-shrink: 0;
}

.btn-back:hover {
  background: var(--wrong);
  color: var(--blue);
}

/* ---- Screen content ---- */
.screen-content {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

/* ============================================================
   HOME SCREEN
   ============================================================ */
#screen-home {
  background: linear-gradient(160deg, var(--blue) 0%, var(--blue-dark) 60%, #25507d 100%);
}

.home-header {
  padding: 40px 24px 28px;
  text-align: center;
  color: var(--white);
}

.home-logo-img {
  width: 220px;
  max-width: 75%;
  margin-bottom: 16px;
  background: var(--white);
  border-radius: 12px;
  padding: 12px 20px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.home-subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  margin-top: 0;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.home-cards {
  padding: 0 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.section-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  border: none;
  text-align: left;
  width: 100%;
}

.section-card:hover, .section-card:focus {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(13,27,42,0.3);
}

.section-card-icon {
  font-size: 1.4rem;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-a .section-card-icon { background: var(--blue-pale); }
.card-b .section-card-icon { background: var(--red-light); }
.card-c .section-card-icon { background: var(--blue-pale); }
.card-d .section-card-icon { background: #fef3c7; }
.card-d .section-card-icon .icon { stroke: #d97706; }

.section-card-text h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--blue);
}

.section-card-text p {
  font-size: 0.85rem;
  color: var(--gray-dark);
  margin-top: 3px;
}

.home-settings-row {
  padding: 0 16px 32px;
  display: flex;
  justify-content: center;
}

.btn-settings {
  background: rgba(255,255,255,0.12);
  color: var(--white);
  border-radius: 24px;
  padding: 10px 24px;
  font-size: 0.9rem;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-settings:hover {
  background: rgba(255,255,255,0.22);
}

/* ============================================================
   LINE FILTER
   ============================================================ */
.filter-section {
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.filter-section h3 {
  font-size: 0.85rem;
  color: var(--gray-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.filter-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.btn-select-all {
  font-size: 0.8rem;
  color: var(--blue-light);
  background: var(--gray-light);
  border-radius: 6px;
  padding: 5px 12px;
  border: 1px solid var(--gray-mid);
}

.line-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.line-filter-btn {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  background: var(--gray-mid);
  color: var(--gray-dark);
  border: 2px solid transparent;
  transition: all var(--transition);
}

.line-filter-btn.selected {
  background: var(--wrong);
  color: var(--white);
  border-color: var(--red-dark);
}

.line-filter-btn:hover {
  background: var(--wrong-light);
  border-color: var(--wrong);
  color: var(--blue);
}

/* ============================================================
   MODE PICKER (Kartičky / Kvíz)
   ============================================================ */
.mode-section {
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.mode-section h3 {
  font-size: 0.85rem;
  color: var(--gray-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.mode-buttons {
  display: flex;
  gap: 10px;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  border-radius: var(--radius-sm);
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 700;
  width: 100%;
  text-align: center;
  box-shadow: 0 3px 12px rgba(218,33,39,0.3);
}

.btn-primary:hover {
  background: var(--red-dark);
  box-shadow: 0 5px 18px rgba(218,33,39,0.45);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--blue);
  color: var(--white);
  border-radius: var(--radius-sm);
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 700;
  width: 100%;
  text-align: center;
}

.btn-secondary:hover {
  background: var(--blue-light);
  transform: translateY(-2px);
}

.start-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mt-16 { margin-top: 16px; }

/* ============================================================
   FLASHCARDS
   ============================================================ */
.flashcard-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 20px;
  flex: 1;
}

.fc-counter {
  font-size: 0.9rem;
  color: var(--gray-dark);
  margin-bottom: 20px;
  font-weight: 600;
}

/* 3D card flip */
.fc-card-wrapper {
  width: 100%;
  max-width: 380px;
  height: 280px;
  perspective: 1200px;
  cursor: pointer;
  margin-bottom: 28px;
}

#fc-card {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

#fc-card.flipped {
  transform: rotateY(180deg);
}

.fc-face {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  box-shadow: var(--shadow-lg);
}

.fc-front {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 100%);
  color: var(--white);
}

.fc-back {
  background: var(--red);
  color: var(--white);
  transform: rotateY(180deg);
}

#fc-front-text,
#fc-back-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
}

.fc-line-num {
  font-size: 5rem;
  font-weight: 900;
  line-height: 1;
  color: var(--wrong);
}

.fc-back .fc-line-num {
  font-size: 2.5rem;
  color: var(--white);
  margin-bottom: 12px;
}

.fc-hint {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-top: 16px;
}

.fc-route {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.fc-from, .fc-to {
  font-size: 1.0rem;
  font-weight: 700;
}

.fc-arrow {
  font-size: 1.4rem;
  color: rgba(255,255,255,0.7);
}

.fc-stops-count {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  margin-top: 10px;
}

.fc-nav {
  display: flex;
  gap: 16px;
  align-items: center;
}

.fc-nav-btn {
  background: var(--white);
  border-radius: 50%;
  width: 52px;
  height: 52px;
  font-size: 1.4rem;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
}

.fc-nav-btn:hover {
  background: var(--wrong);
}

.fc-flip-hint {
  font-size: 0.8rem;
  color: var(--gray-dark);
  margin-top: 14px;
}

.fc-flip-icon {
  display: block;
  width: 28px;
  height: 28px;
  margin-top: 12px;
  color: rgba(255,255,255,0.6);
}

/* ============================================================
   QUIZ SCREEN
   ============================================================ */
.quiz-header {
  background: var(--blue);
  color: var(--white);
  padding: 14px 20px 0;
}

.quiz-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.quiz-counter {
  font-size: 0.9rem;
  font-weight: 600;
}

.quiz-score-display {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--wrong);
}

.quiz-streak-display {
  font-size: 0.9rem;
  font-weight: 700;
  color: #ff9f43;
}

.quiz-progress-track {
  height: 6px;
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: -1px;
}

#quiz-progress-bar {
  height: 100%;
  background: var(--wrong);
  border-radius: 3px;
  transition: width 0.5s ease;
}

#quiz-container {
  padding: 20px;
  flex: 1;
  overflow-y: auto;
}

#quiz-container.flash-correct {
  animation: flashGreen 0.6s ease;
}

#quiz-container.flash-wrong {
  animation: flashRed 0.6s ease;
}

@keyframes flashGreen {
  0% { background: transparent; }
  30% { background: rgba(39,174,96,0.15); }
  100% { background: transparent; }
}

@keyframes flashRed {
  0%  { background: transparent; transform: translateX(0); }
  20% { background: rgba(231,76,60,0.15); transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
  100% { background: transparent; transform: translateX(0); }
}

.quiz-question {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 20px;
  line-height: 1.5;
  white-space: pre-line;
  background: var(--white);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  border-left: 5px solid var(--red);
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quiz-option-btn {
  background: var(--white);
  color: var(--blue);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  border: 2px solid var(--gray-mid);
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
  transition: all var(--transition);
  min-height: 56px;
  line-height: 1.4;
}

.quiz-option-btn:hover:not(:disabled) {
  border-color: var(--blue);
  background: var(--blue-pale);
  transform: translateX(4px);
}

.quiz-option-btn.correct {
  background: var(--green-light);
  border-color: var(--green);
  color: #1a6e3a;
  font-weight: 700;
}

.quiz-option-btn.wrong {
  background: var(--wrong-light);
  border-color: var(--wrong);
  color: #922b21;
  font-weight: 700;
}

.quiz-option-btn:disabled {
  cursor: default;
}

.quiz-explanation {
  margin-top: 16px;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.quiz-explanation.correct {
  background: var(--green-light);
  border-left: 4px solid var(--green);
  color: #1a6e3a;
}

.quiz-explanation.wrong {
  background: var(--wrong-light);
  border-left: 4px solid var(--wrong);
  color: #922b21;
}

.btn-next {
  margin-top: 16px;
  background: var(--blue);
  color: var(--white);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-size: 1rem;
  font-weight: 700;
  width: 100%;
  text-align: center;
}

.btn-next:hover {
  background: var(--blue-light);
  transform: translateY(-2px);
}

/* Ordering question */
.ordering-container { margin-top: 8px; }

.ordering-hint {
  font-size: 0.82rem;
  color: var(--gray-dark);
  margin: 0 0 10px;
}

.ordering-dnd-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.ordering-dnd-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--white);
  border: 2px solid var(--blue-light);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blue);
  cursor: grab;
  user-select: none;
  touch-action: none;
  transition: background 0.15s, box-shadow 0.15s;
}

.ordering-dnd-item:active { cursor: grabbing; }

.ordering-dnd-item.dragging {
  opacity: 0.45;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
}

.ordering-dnd-item.drag-over {
  border-color: var(--blue);
  background: #e8f0ff;
}

.ordering-dnd-item.correct {
  background: var(--green-light);
  border-color: var(--green);
  color: #1a6e3a;
  cursor: default;
}

.ordering-dnd-item.wrong {
  background: var(--wrong-light);
  border-color: var(--wrong);
  color: #922b21;
  cursor: default;
}

.dnd-handle { color: var(--gray-dark); font-size: 1rem; flex-shrink: 0; }
.dnd-num { font-size: 0.75rem; color: var(--gray-dark); min-width: 20px; flex-shrink: 0; }
.dnd-stop { flex: 1; }

.ordering-confirm { width: 100%; margin-top: 4px; }

/* Multi-select */
.multiselect-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.multiselect-label {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 1rem;
  border: 2px solid var(--gray-mid);
  cursor: pointer;
  transition: all var(--transition);
}

.multiselect-label:hover {
  border-color: var(--wrong);
  background: var(--wrong-light);
}

.multiselect-label.correct {
  background: var(--green-light);
  border-color: var(--green);
  color: #1a6e3a;
}

.multiselect-label.wrong {
  background: var(--wrong-light);
  border-color: var(--wrong);
  color: #922b21;
}

.multiselect-cb {
  width: 20px;
  height: 20px;
  accent-color: var(--wrong);
  cursor: pointer;
}

/* ============================================================
   SECTION C – PROCVIČ LINKU
   ============================================================ */
#line-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.line-big-btn {
  background: var(--white);
  border-radius: var(--radius);
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow);
  border: 2px solid transparent;
  transition: all var(--transition);
  text-align: center;
}

.line-big-btn:hover {
  border-color: var(--wrong);
  box-shadow: 0 6px 24px rgba(255,209,0,0.3);
  transform: translateY(-3px);
}

.line-big-btn.active {
  border-color: var(--wrong);
  background: var(--wrong-light);
  box-shadow: 0 4px 20px rgba(255,209,0,0.4);
}

.line-big-btn .line-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--blue);
}

.line-big-btn.active .line-num {
  color: #b8860b;
}

.line-big-btn .line-info {
  font-size: 0.72rem;
  color: var(--gray-dark);
  line-height: 1.4;
}

#practice-line-info {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  border-left: 5px solid var(--red);
  display: none;
}

#practice-line-info h3 {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--blue);
  margin-bottom: 8px;
}

.practice-route {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
}

.practice-route-stop {
  font-size: 1rem;
  font-weight: 600;
  color: var(--blue-mid);
}

.practice-route-arrow {
  font-size: 1.2rem;
  color: var(--red-dark);
  font-weight: 900;
}

.practice-stop-count {
  font-size: 0.85rem;
  color: var(--gray-dark);
  margin-top: 4px;
}

.practice-modes {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-mode {
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  transition: all var(--transition);
}

.btn-mode:hover {
  transform: translateX(4px);
}

.btn-mode-audio {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 100%);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(13,27,42,0.2);
}

.btn-mode-quiz {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(218,33,39,0.3);
}

/* Dopravní uzly */
.hub-filter-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.hub-filter-header h3 { margin: 0; font-size: 0.95rem; }
.hub-step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hub-filter-hint {
  font-size: 0.75rem;
  color: var(--gray-dark);
  margin: 1px 0 0;
}
.hub-selection-summary {
  font-size: 0.8rem;
  color: var(--blue);
  font-weight: 600;
  margin-top: 8px;
  min-height: 1.2em;
}
.hub-selection-summary.empty { color: var(--gray-dark); font-weight: 400; }

.hub-type-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.hub-type-btn {
  padding: 9px 16px;
  border-radius: 20px;
  border: 2px solid var(--gray-mid);
  background: var(--white);
  color: var(--gray-dark);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.hub-type-btn::before {
  content: '☐';
  font-size: 1rem;
  line-height: 1;
}
.hub-type-btn.active {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--white);
}
.hub-type-btn.active::before {
  content: '☑';
}
.hub-start-hint {
  font-size: 0.85rem;
  color: var(--gray-dark);
  text-align: center;
  margin-bottom: 8px;
}

.hub-buttons {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 4px;
}
.hub-node-btn {
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--gray-mid);
  background: var(--white);
  text-align: left;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blue);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}
.hub-node-btn .hub-node-check {
  font-size: 1.1rem;
  flex-shrink: 0;
  color: var(--gray-dark);
}
.hub-node-btn.active {
  border-color: var(--blue);
  background: var(--blue-pale);
  color: var(--blue);
}
.hub-node-btn.active .hub-node-check {
  color: var(--blue);
}
.hub-info {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  margin-bottom: 16px;
}
.hub-info h3 { margin: 0 0 10px; color: var(--blue); font-size: 1rem; }
.hub-info-row {
  display: flex;
  gap: 8px;
  padding: 5px 0;
  border-bottom: 1px solid var(--gray-mid);
  font-size: 0.85rem;
}
.hub-info-row:last-child { border-bottom: none; }
.hub-info-label { font-weight: 700; white-space: nowrap; min-width: 100px; }
.hub-info-lines { color: var(--gray-dark); }

.btn-mode-audioquiz {
  background: linear-gradient(135deg, #6c3483 0%, #8e44ad 100%);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(108,52,131,0.3);
}

.btn-mode-icon {
  font-size: 1.5rem;
}

.btn-mode-text h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.btn-mode-text p {
  font-size: 0.8rem;
  opacity: 0.75;
  font-weight: 400;
}

/* ============================================================
   AUDIO SCREEN
   ============================================================ */
.audio-header-info {
  background: var(--blue);
  padding: 16px 20px 20px;
  color: var(--white);
}

.audio-line-title {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--wrong);
}

.audio-line-route {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
}

.audio-controls {
  background: var(--blue-mid);
  padding: 14px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.audio-progress-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.audio-progress-track {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
  overflow: hidden;
}

#audio-progress-bar {
  height: 100%;
  background: var(--wrong);
  border-radius: 3px;
  transition: width 0.4s ease;
  width: 0%;
}

#audio-progress-text {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  white-space: nowrap;
  min-width: 90px;
  text-align: right;
}

.audio-btns-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-play {
  background: var(--green);
  color: var(--white);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-size: 1rem;
  font-weight: 700;
}

.btn-play.paused {
  background: var(--green);
  color: var(--white);
}

.btn-play:hover {
  opacity: 0.9;
}

.speed-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.speed-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  white-space: nowrap;
  margin-right: 2px;
}

.speed-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
  border-radius: 6px;
  padding: 7px 11px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.2);
  white-space: nowrap;
}

.speed-btn.active {
  background: rgba(255,255,255,0.9);
  color: var(--blue);
  border-color: transparent;
  font-weight: 700;
}

.loop-btn {}
.loop-btn.active {
  background: var(--blue-light);
  color: var(--white);
  border-color: var(--blue-light);
}

.audio-stop-list-container {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  background: var(--gray-light);
}

.audio-stop-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.audio-stop-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  background: var(--white);
  border: 2px solid transparent;
}

.audio-stop-item.current {
  background: var(--wrong);
  border-color: var(--red-dark);
  transform: scale(1.02);
  box-shadow: 0 4px 16px rgba(255,209,0,0.4);
  z-index: 1;
  position: relative;
}

.stop-num {
  font-size: 0.75rem;
  color: var(--gray-dark);
  min-width: 24px;
  font-weight: 600;
}

.audio-stop-item.current .stop-num {
  color: var(--blue);
}

.stop-name {
  font-size: 0.95rem;
  color: var(--blue);
  font-weight: 500;
}

.audio-stop-item.current .stop-name {
  font-weight: 800;
  color: var(--blue);
}

.audio-footer {
  background: var(--blue-mid);
  padding: 12px 16px;
  display: flex;
  gap: 10px;
}

.btn-audio-action {
  flex: 1;
  border-radius: var(--radius-sm);
  padding: 12px;
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
}

.btn-audio-restart {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-audio-quiz {
  background: var(--wrong);
  color: var(--blue);
}

#audio-finished-banner {
  display: none;
  background: var(--green);
  color: var(--white);
  text-align: center;
  padding: 12px;
  font-weight: 700;
  font-size: 0.95rem;
}

/* ============================================================
   RESULTS SCREEN
   ============================================================ */
.results-container {
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  flex: 1;
}

.result-trophy {
  color: var(--blue);
}

.result-score-big {
  text-align: center;
}

.result-score-big .score-num {
  font-size: 3rem;
  font-weight: 900;
  color: var(--blue);
}

.result-score-big .score-pct {
  font-size: 1.2rem;
  color: var(--gray-dark);
  margin-top: 4px;
}

.result-stars {
  display: flex;
  gap: 6px;
  font-size: 2rem;
  color: var(--gray-mid);
}
.result-stars .icon-star-filled {
  color: var(--orange);
  stroke: var(--orange);
  fill: var(--orange);
}
.result-stars .icon {
  width: 2rem;
  height: 2rem;
}

.result-stats {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  width: 100%;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.result-stat {
  font-size: 1rem;
  font-weight: 600;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-light);
  display: flex;
  align-items: center;
  gap: 8px;
}
#result-correct .icon { color: var(--green); }
#result-wrong .icon   { color: var(--red); }
#result-streak .icon  { color: var(--orange); }

.result-stat:last-child {
  border-bottom: none;
}

.result-wrong-section {
  width: 100%;
}

.result-wrong-section h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 12px;
}

.wrong-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 8px;
  border-left: 4px solid var(--red);
  box-shadow: var(--shadow);
}

.wrong-q {
  font-size: 0.85rem;
  color: var(--gray-dark);
  margin-bottom: 6px;
  white-space: pre-line;
}

.wrong-ans {
  font-size: 0.9rem;
  color: var(--blue);
}

.all-correct {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--green);
  padding: 20px;
  background: var(--green-light);
  border-radius: var(--radius);
}

.result-buttons {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ============================================================
   SETTINGS SCREEN
   ============================================================ */
.settings-section {
  background: var(--white);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}

.settings-section h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--gray-light);
}

.session-length-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.session-length-inline {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0 4px;
  flex-wrap: wrap;
}
.session-length-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-dark);
  white-space: nowrap;
}
.session-btns-inline {
  display: flex;
  gap: 6px;
}
.session-btns-inline .session-btn {
  flex: none;
  min-width: 44px;
  padding: 7px 10px;
  font-size: 0.85rem;
}

.session-btn {
  flex: 1;
  min-width: 60px;
  padding: 12px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  background: var(--gray-light);
  color: var(--gray-dark);
  border: 2px solid transparent;
}

.session-btn.active {
  background: var(--wrong);
  color: var(--blue);
  border-color: var(--red-dark);
}

.type-toggle-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.type-toggle-item {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 8px 0;
}

.type-toggle-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--wrong);
  cursor: pointer;
}

.type-toggle-item span {
  font-size: 0.9rem;
  color: var(--blue);
}

/* ---- Voice selector ---- */
.voice-hint {
  font-size: 0.8rem;
  color: var(--gray-dark);
  margin-bottom: 10px;
  line-height: 1.4;
}
.voice-select-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.voice-select {
  flex: 1;
  padding: 10px 12px;
  border: 1.5px solid var(--gray-mid);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--blue);
  background: var(--white);
  appearance: none;
  cursor: pointer;
}
.voice-select:focus {
  outline: none;
  border-color: var(--blue);
}
.btn-voice-test {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--blue-pale);
  color: var(--blue);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  border: 1.5px solid var(--blue-light);
}
.btn-voice-test:hover { background: var(--blue-light); color: var(--white); }

/* ============================================================
   SHARED COMPONENTS
   ============================================================ */
.info-box {
  background: var(--wrong-light);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--blue);
  border-left: 4px solid var(--red);
  margin-bottom: 14px;
}

.divider {
  height: 1px;
  background: var(--gray-mid);
  margin: 16px 0;
}

/* ============================================================
   RESPONSIVE – Mobile
   ============================================================ */
@media (max-width: 480px) {
  .home-subtitle { font-size: 0.95rem; }
  .home-logo-img { width: 190px; }
  .section-card { padding: 16px 18px; }
  .section-card-icon { width: 50px; height: 50px; font-size: 1.8rem; }
  .quiz-question { font-size: 1rem; padding: 14px; }
  .quiz-option-btn { padding: 14px 16px; font-size: 0.95rem; }
  #line-buttons { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
  .fc-card-wrapper { height: 240px; }
  .fc-line-num { font-size: 4rem; }
}

@media (max-width: 360px) {
  .home-subtitle { font-size: 0.9rem; }
  .screen-content { padding: 14px; }
  .results-container { padding: 20px 14px; }
}

/* ============================================================
   SCROLLBAR styling (Webkit)
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-mid); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-dark); }

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center { text-align: center; }
.text-muted { color: var(--gray-dark); font-size: 0.85rem; }
.mt-8 { margin-top: 8px; }
.mb-8 { margin-bottom: 8px; }
.mt-20 { margin-top: 20px; }

/* ========================================================
   NAHLÁSIT CHYBU – BUTTON + MODAL
======================================================== */

.btn-report-inline {
  display: block;
  background: none;
  border: none;
  color: #aaa;
  font-size: 0.78rem;
  padding: 4px 0 12px;
  cursor: pointer;
  text-align: left;
  transition: color 0.2s;
}
.btn-report-inline:hover { color: #e67e22; }

/* Overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}

.modal-box {
  background: #fff;
  border-radius: 16px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid #eee;
}
.modal-header h3 { margin: 0; font-size: 1.1rem; color: #3a71b2; }

.modal-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: #666;
  padding: 4px 8px;
  border-radius: 6px;
}
.modal-close:hover { background: #f0f0f0; }

.modal-body { padding: 16px 20px 24px; }

.report-question-preview {
  background: #f5f7fa;
  border-left: 4px solid #FFD100;
  border-radius: 0 8px 8px 0;
  padding: 10px 12px;
  font-size: 0.85rem;
  color: #444;
  margin-bottom: 16px;
  white-space: pre-wrap;
  line-height: 1.4;
}

.report-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: #3a71b2;
  margin: 0 0 8px;
}

.report-categories {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.report-cat {
  background: #f5f7fa;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  padding: 10px 14px;
  text-align: left;
  cursor: pointer;
  font-size: 0.9rem;
  color: #333;
  transition: border-color 0.15s, background 0.15s;
}
.report-cat:hover { border-color: #FFD100; background: #fffbe6; }
.report-cat.selected { border-color: #FFD100; background: #FFF8CC; font-weight: 600; color: #3a71b2; }

#report-desc {
  width: 100%;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.9rem;
  font-family: inherit;
  resize: vertical;
  margin-bottom: 16px;
  box-sizing: border-box;
  transition: border-color 0.15s;
}
#report-desc:focus { outline: none; border-color: #FFD100; }

.btn-report-send {
  width: 100%;
  padding: 12px;
  font-size: 1rem;
}

.report-status {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  text-align: center;
}
.report-status.success { background: #e6f9ed; color: #1a7a3a; }
.report-status.error   { background: #fdecea; color: #c0392b; }

/* ========================================================
   AUDIO – POMALÝ REŽIM (ŽELVIČKA): ZOPAKOVAT / DALŠÍ
======================================================== */

#audio-turtle-controls {
  display: none;
  gap: 12px;
  justify-content: center;
  padding: 12px 20px 4px;
  animation: fadeIn 0.2s ease;
}

.btn-turtle-repeat,
.btn-turtle-next {
  flex: 1;
  max-width: 200px;
  padding: 12px 16px;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s, opacity 0.2s;
}
.btn-turtle-repeat:active,
.btn-turtle-next:active { transform: scale(0.97); }

.btn-turtle-repeat {
  background: #f0f0f0;
  color: #333;
}
.btn-turtle-repeat:hover { background: #e0e0e0; }

.btn-turtle-next {
  background: var(--yellow, #FFD100);
  color: #3a71b2;
}
.btn-turtle-next:hover { opacity: 0.9; }

/* ============================================================
   PROFILY
============================================================ */

.profiles-header {
  text-align: center;
  padding: 24px 0 16px;
}
.profiles-header h2 {
  font-size: 1.6rem;
  color: var(--blue);
  margin-top: 8px;
}
.profiles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 14px;
  padding: 8px 0 24px;
}
.profile-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow);
  border: 3px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
}
.profile-card:hover { border-color: var(--blue-light); transform: translateY(-3px); }
.profile-card-active { border-color: var(--blue); }
.profile-card-avatar { font-size: 2.8rem; line-height: 1; }
.profile-card-name { font-size: 1rem; font-weight: 700; color: var(--blue); }
.profile-card-level { font-size: 0.72rem; color: var(--gray-dark); }
.profile-card-add {
  background: var(--gray-light);
  border: 3px dashed var(--gray-mid);
  color: var(--gray-dark);
}
.profile-card-add:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-pale); }
.profile-card-plus { font-size: 2.2rem; font-weight: 300; line-height: 1; }

.profile-create-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-top: 8px;
}
.profile-create-form h3 { font-size: 1.2rem; color: var(--blue); margin-bottom: 16px; text-align: center; }
.avatar-picker {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}
.avatar-option {
  font-size: 1.8rem;
  padding: 6px;
  border-radius: 10px;
  border: 3px solid transparent;
  background: var(--gray-light);
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}
.avatar-option:hover { background: var(--blue-pale); }
.avatar-option.selected { border-color: var(--blue); background: var(--blue-pale); }
.profile-name-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-mid);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font);
  margin-bottom: 16px;
  box-sizing: border-box;
}
.profile-name-input:focus { outline: none; border-color: var(--blue); }
.profile-create-btns { display: flex; gap: 10px; }
.profile-create-btns .btn-secondary,
.profile-create-btns .btn-primary { flex: 1; }

/* Modal overlay – první spuštění */
.profile-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 20px;
  backdrop-filter: blur(3px);
}
.profile-modal {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  animation: popIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.profile-modal-title {
  text-align: center;
  color: var(--blue);
  font-size: 1.4rem;
  margin-bottom: 20px;
}

/* ============================================================
   GAMIFIKACE – badge + stats screen
============================================================ */

/* Home screen s bottom tabem */
.screen-with-tabs {
  flex-direction: column;
  padding-bottom: 0 !important;
  height: 100vh;
  overflow: hidden;
}
.tab-panel {
  display: none;
  flex: 1;
  overflow-y: auto;
  padding: 20px 16px 16px;
}
.tab-panel.active { display: block; }

/* Bottom nav */
.bottom-nav {
  display: flex;
  background: var(--white);
  border-top: 1px solid var(--gray-mid);
  flex-shrink: 0;
}
.bottom-nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 10px 0 12px;
  background: none;
  border: none;
  color: var(--gray-dark);
  font-size: 0.72rem;
  font-family: var(--font);
  cursor: pointer;
  transition: color var(--transition);
}
.bottom-nav-btn .icon { width: 22px; height: 22px; }
.bottom-nav-btn.active { color: var(--blue); font-weight: 700; }
.bottom-nav-btn.active .icon { stroke: var(--blue); }

/* Avatar + stats blok v hlavičce */
.home-header { position: relative; }

.home-profile-block {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.home-profile-stats {
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: flex-end;
}
.home-profile-stat {
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.home-profile-stat-val {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
}
.home-profile-stat-lbl {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
}
.home-xp-mini {
  display: none;
}
.home-level-badge {
  background: rgba(255,255,255,0.25);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 20px;
  padding: 1px 6px;
}
.home-xp-track {
  height: 6px;
  background: rgba(255,255,255,0.3);
  border-radius: 3px;
  overflow: hidden;
  min-width: 60px;
}
.home-xp-fill {
  height: 100%;
  background: var(--white);
  border-radius: 3px;
  transition: width 0.4s ease;
}
.stats-panel-title { font-size: 1.3rem; font-weight: 700; color: var(--blue); margin: 0; }
.profile-avatar-btn {
  position: relative;
  top: auto;
  right: auto;
  font-size: 1.8rem;
  line-height: 1;
  background: var(--white);
  border: none;
  border-radius: 50%;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform var(--transition);
}
.profile-avatar-btn:hover { transform: scale(1.1); }

.profile-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 20px rgba(0,0,0,0.18);
  overflow: hidden;
  z-index: 200;
  min-width: 180px;
  animation: popIn 0.15s ease;
}
.profile-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 13px 16px;
  background: none;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blue);
  cursor: pointer;
  text-align: left;
  transition: background var(--transition);
}
.profile-dropdown-item:hover { background: var(--blue-pale); }
.profile-dropdown-item + .profile-dropdown-item { border-top: 1px solid var(--gray-mid); }

/* Stats screen */
.stats-profile-row {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}
.stats-profile-avatar { font-size: 3rem; line-height: 1; }
.stats-profile-info { display: flex; flex-direction: column; gap: 4px; }
.stats-profile-name { font-size: 1.2rem; font-weight: 700; color: var(--blue); }
.btn-link {
  background: none;
  border: none;
  color: var(--blue-light);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

.stats-level-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}
.stats-level-top { display: flex; align-items: center; gap: 12px; }
.stats-level-badge {
  background: var(--red);
  color: var(--white);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.stats-level-labels { display: flex; flex-direction: column; gap: 2px; }
.stats-level-name { font-size: 1rem; font-weight: 700; color: var(--blue); }
.stats-xp-total { font-size: 0.8rem; color: var(--gray-dark); }
.stats-level-footer { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--gray-dark); }
.gam-xp-bar {
  background: var(--gray-mid);
  border-radius: 100px;
  height: 10px;
  overflow: hidden;
}
.gam-xp-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue) 0%, var(--blue-light) 100%);
  border-radius: 100px;
  transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.stats-num-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  box-shadow: var(--shadow);
}
.stats-big-num { font-size: 2rem; font-weight: 900; color: var(--blue); }
.stats-num-label { font-size: 0.75rem; color: var(--gray-dark); margin-top: 2px; }
.stats-section-title { font-size: 1rem; color: var(--white); margin-bottom: 10px; }
.stats-empty { color: var(--gray-dark); font-size: 0.85rem; margin: 0 0 16px; }
.stats-line-performance { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.line-stat-row { display: flex; align-items: center; gap: 8px; }
.line-stat-badge { color: #fff; font-size: 0.72rem; font-weight: 700; border-radius: 6px; padding: 3px 7px; white-space: nowrap; }
.line-stat-bar-wrap { flex: 1; height: 8px; background: var(--gray-mid); border-radius: 4px; overflow: hidden; }
.line-stat-bar { height: 100%; border-radius: 4px; transition: width 0.4s ease; }
.line-stat-pct { font-size: 0.8rem; font-weight: 700; min-width: 36px; text-align: right; }
.line-stat-count { font-size: 0.72rem; color: var(--gray-dark); min-width: 40px; text-align: right; }

.stats-achievements { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.achievement-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  box-shadow: var(--shadow);
}
.achievement-locked { opacity: 0.45; }
.ach-icon { font-size: 1.6rem; flex-shrink: 0; }
.ach-info { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.ach-info strong { font-size: 0.9rem; color: var(--blue); }
.ach-info span { font-size: 0.75rem; color: var(--gray-dark); }
.ach-check { color: var(--green); font-weight: 900; font-size: 1.1rem; }
.ach-lock { font-size: 0.9rem; }
.ach-unlock-hint { font-size: 0.75rem; color: var(--gray-dark); font-style: italic; }
.result-xp-earned {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 700;
  padding: 10px 28px;
  border-radius: 100px;
  text-align: center;
  margin: 4px auto 12px;
  display: inline-block;
  animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
#toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9998;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  max-width: 300px;
}
.toast {
  color: var(--white);
  padding: 12px 16px;
  border-radius: 14px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.25);
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  transform: translateX(110%);
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: auto;
}
.toast.toast-show { opacity: 1; transform: translateX(0); }
.toast-levelup {
  background: linear-gradient(135deg, #5b2d8e 0%, #3a71b2 100%);
  flex-direction: column;
  text-align: center;
  padding: 18px 24px;
  gap: 4px;
}
.toast-big { font-size: 1.5rem; font-weight: 900; }
.toast-sub { font-size: 0.9rem; opacity: 0.9; }
.toast-achievement {
  background: linear-gradient(135deg, var(--orange) 0%, var(--red) 100%);
}
.toast-icon { font-size: 1.8rem; flex-shrink: 0; }
.toast-body { display: flex; flex-direction: column; gap: 1px; }
.toast-body strong { font-size: 0.95rem; }
.toast-body span { font-size: 0.8rem; opacity: 0.9; }
.toast-streak {
  background: linear-gradient(135deg, var(--orange) 0%, #e67e22 100%);
  font-weight: 700;
  font-size: 1rem;
}
#confetti-container {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9999;
  overflow: hidden;
}
.confetti-piece {
  position: fixed;
  top: -20px;
  animation: confettiFall ease-in forwards;
}
@keyframes confettiFall {
  0%   { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(105vh) rotate(720deg); opacity: 0; }
}
@keyframes popIn {
  0%   { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1);   opacity: 1; }
}