/* Tedzi Lese-Trainer — main styles. Themes from themes.css */
:root {
  --pad: 16px;
  --transition: .15s ease;
  --card-bg: var(--bg-card);
  --muted: var(--text-mute);
  --primary-soft: color-mix(in srgb, var(--primary) 15%, transparent);
  --err: var(--bad);
  --err-soft: color-mix(in srgb, var(--bad) 15%, transparent);
  --ok-soft: color-mix(in srgb, var(--ok) 15%, transparent);
  --info: var(--accent);
  --info-bg: color-mix(in srgb, var(--accent) 15%, transparent);
  --mastery-empty: color-mix(in srgb, var(--text) 15%, transparent);
  --mastery-fill: var(--primary);
  --input-bg: var(--bg-elev);
  --input-border: var(--border);
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overscroll-behavior-y: none;
}
body { display: flex; flex-direction: column; min-height: 100dvh; }

/* Header */
#topbar {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  padding-top: calc(12px + env(safe-area-inset-top));
  background: var(--topbar-bg); color: var(--topbar-text);
  box-shadow: var(--shadow);
}
#page-title {
  flex: 1; font-size: 18px; font-weight: 600; text-align: center;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.icon-btn {
  background: transparent; border: 0; color: inherit;
  font-size: 24px; width: 40px; height: 40px;
  border-radius: 50%; cursor: pointer;
  display: grid; place-items: center;
  transition: background var(--transition);
}
.icon-btn:hover { background: rgba(255,255,255,0.15); }
.icon-btn[hidden] { display: none; }
#ui-lang-switch {
  background: rgba(255,255,255,0.12); border: 0; color: inherit;
  font-size: 13px; padding: 6px 8px; border-radius: 6px;
  cursor: pointer; appearance: none;
}
#ui-lang-switch option { color: #111; background: #fff; }

#main {
  flex: 1; width: 100%; max-width: 760px;
  margin: 0 auto; padding: 20px var(--pad) 100px;
}
.view { display: none; }
.view.active { display: block; }

.welcome { text-align: center; margin-bottom: 24px; }
.welcome h2 { margin: 0 0 8px; font-size: 24px; }
.welcome .hint { margin: 0; color: var(--muted); font-size: 14px; }

/* Mode tabs */
.mode-tabs {
  display: flex; gap: 8px; margin-bottom: 20px;
  flex-wrap: wrap;
}
.mode-tab {
  flex: 1 1 120px;
  padding: 10px 12px; border-radius: 8px;
  background: var(--card-bg); color: var(--text);
  border: 2px solid transparent;
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: all var(--transition);
}
.mode-tab.active {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary);
}

/* Skill grid */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}
.skill-tile {
  background: var(--card-bg); border: 0; border-radius: 12px;
  padding: 18px 12px; text-align: center; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  box-shadow: var(--shadow); color: var(--text);
  transition: transform var(--transition);
}
.skill-tile:hover { transform: translateY(-2px); }
.skill-tile .skill-icon { font-size: 36px; }
.skill-tile .skill-name { font-size: 14px; font-weight: 600; line-height: 1.3; }
.skill-tile .skill-meta { font-size: 11px; color: var(--muted); }
.mastery-dots { display: flex; gap: 3px; margin-top: 4px; }
.mastery-dots span { width: 8px; height: 8px; border-radius: 50%; background: var(--mastery-empty); }
.mastery-dots span.filled { background: var(--mastery-fill); }

/* Trainer card */
.task-card {
  background: var(--card-bg); border-radius: 12px;
  padding: 32px 24px; margin: 12px 0;
  box-shadow: var(--shadow);
  text-align: center;
}
.trainer-progress {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px; font-size: 14px; color: var(--muted);
}
.trainer-progress .pbar {
  flex: 1; height: 8px; border-radius: 4px;
  background: var(--mastery-empty); overflow: hidden;
}
.trainer-progress .pbar > span {
  display: block; height: 100%; background: var(--primary);
  transition: width .3s;
}

.task-prompt {
  font-size: 56px; font-weight: 700; margin: 16px 0 24px;
  letter-spacing: 1px;
}
.task-prompt-small { font-size: 36px; }
.task-prompt-emoji { font-size: 96px; }

.choice-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 12px; max-width: 420px; margin: 0 auto;
}
.choice-btn {
  padding: 18px; border-radius: 10px;
  border: 2px solid var(--input-border);
  background: var(--card-bg); color: var(--text);
  font-size: 24px; font-weight: 700; cursor: pointer;
  transition: all var(--transition);
}
.choice-btn:hover { border-color: var(--primary); transform: translateY(-1px); }
.choice-btn.correct { border-color: var(--ok); background: var(--ok-soft); }
.choice-btn.wrong { border-color: var(--err); background: var(--err-soft); }
.choice-btn:disabled { cursor: default; }

.task-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }
.task-feedback { margin-top: 16px; min-height: 24px; font-size: 16px; font-weight: 600; }
.task-feedback.ok { color: var(--ok); }
.task-feedback.err { color: var(--err); }

/* Speak button */
.speak-btn {
  background: var(--primary-soft);
  border: 0; border-radius: 50%;
  width: 36px; height: 36px;
  font-size: 20px; cursor: pointer;
  display: inline-grid; place-items: center;
  transition: all var(--transition);
}
.speak-btn:hover { background: var(--primary); transform: scale(1.05); }
.speak-row {
  display: flex; justify-content: center;
  margin: -8px 0 16px; gap: 8px;
}
.speak-btn.large {
  width: 96px; height: 96px; font-size: 48px;
  background: var(--primary); color: #fff;
}
.speak-btn.large:hover { transform: scale(1.08); }

/* Buttons */
.btn {
  background: var(--card-bg); color: var(--text);
  border: 0; border-radius: 8px;
  padding: 12px 20px; font-size: 16px; font-weight: 600;
  cursor: pointer; transition: all var(--transition);
  box-shadow: var(--shadow);
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: var(--primary); color: #fff; }
.btn.ghost { background: transparent; box-shadow: none; }
.btn.danger { background: var(--err); color: #fff; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ============== READING / SPEED MODE ============== */
.reader {
  background: var(--bg-elev);
  border-radius: 12px;
  padding: 24px;
  margin: 16px 0;
  font-size: 22px;
  line-height: 1.7;
  border: 1px solid var(--border);
  min-height: 240px;
}
.reader.large { font-size: 26px; line-height: 1.8; }
.reader.huge { font-size: 32px; line-height: 1.9; }
.reader-title {
  font-size: 18px; font-weight: 700; color: var(--muted);
  margin-bottom: 12px; text-align: center;
}
.reader-meta {
  font-size: 12px; color: var(--muted); text-align: center; margin-bottom: 16px;
}
.reader-controls {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin: 12px 0;
}
.reader-controls .btn { flex: 1 1 auto; }

/* Speed-Reading flash word */
.flash-area {
  min-height: 240px;
  display: grid; place-items: center;
  background: var(--bg-elev);
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 56px; font-weight: 700;
  margin: 16px 0;
}
.flash-area .word {
  transition: opacity .15s;
}
.flash-area .word.fade { opacity: 0; }

.speed-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 8px; margin: 12px 0;
}
.speed-stat {
  background: var(--card-bg); padding: 10px;
  border-radius: 8px; text-align: center;
}
.speed-stat .num { font-size: 22px; font-weight: 700; color: var(--primary); }
.speed-stat .lbl { font-size: 11px; color: var(--muted); }

/* Custom text editor */
.text-editor textarea {
  width: 100%; min-height: 180px;
  padding: 12px; font-family: inherit; font-size: 16px;
  background: var(--input-bg); color: var(--text);
  border: 2px solid var(--input-border);
  border-radius: 10px; resize: vertical;
  line-height: 1.5;
}
.text-editor textarea:focus {
  outline: none; border-color: var(--primary);
}
.text-editor .field-row {
  margin-bottom: 12px;
}
.text-editor .field-row label {
  display: block; font-size: 13px; color: var(--muted);
  margin-bottom: 4px;
}
.text-editor .field-row input {
  width: 100%; padding: 10px;
  border: 2px solid var(--input-border);
  border-radius: 8px;
  background: var(--input-bg); color: var(--text);
  font-size: 16px;
}

/* Text catalog list */
.text-list {
  display: flex; flex-direction: column; gap: 8px;
}
.text-item {
  background: var(--card-bg); border-radius: 10px;
  padding: 14px 16px; box-shadow: var(--shadow);
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; cursor: pointer;
  transition: transform var(--transition);
}
.text-item:hover { transform: translateY(-1px); }
.text-item .text-info { flex: 1; min-width: 0; }
.text-item .text-title { font-weight: 700; font-size: 15px; margin-bottom: 2px; }
.text-item .text-meta { font-size: 12px; color: var(--muted); }
.text-item .text-actions { display: flex; gap: 6px; }

/* Settings */
#view-settings .section {
  background: var(--card-bg); border-radius: 12px;
  padding: 16px; margin-bottom: 16px; box-shadow: var(--shadow);
}
#view-settings .section h3 { margin: 0 0 12px; font-size: 16px; }
.theme-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 8px;
}
.theme-tile {
  padding: 12px 8px; border-radius: 8px; cursor: pointer;
  border: 3px solid transparent;
  font-size: 13px; font-weight: 600; color: #fff;
}
.theme-tile.active { border-color: var(--primary); transform: scale(1.05); }
.toggle-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 0; gap: 12px;
}

/* ============== FORM CONTROLS (mobile-app feel) ============== */
/* Select: keine native Pfeile, eigener gradient + SVG-Chevron */
select:not(#ui-lang-switch) {
  appearance: none; -webkit-appearance: none; -moz-appearance: none;
  font-family: inherit; font-size: 16px; font-weight: 600;
  color: var(--text);
  background-color: var(--input-bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%236b7080' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  border: 2px solid var(--input-border);
  border-radius: 10px;
  padding: 10px 36px 10px 12px;
  cursor: pointer;
  transition: border-color var(--transition);
  min-height: 44px;
}
select:not(#ui-lang-switch):focus { outline: none; border-color: var(--primary); }

/* Checkbox als iOS-Style Toggle-Switch */
input[type="checkbox"] {
  appearance: none; -webkit-appearance: none;
  width: 52px; height: 30px;
  background: var(--mastery-empty);
  border-radius: 15px;
  position: relative;
  cursor: pointer;
  transition: background var(--transition);
  flex-shrink: 0;
  border: 0;
}
input[type="checkbox"]::before {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 24px; height: 24px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: transform var(--transition);
}
input[type="checkbox"]:checked {
  background: var(--primary);
}
input[type="checkbox"]:checked::before {
  transform: translateX(22px);
}

/* Number / Text Input — gleiche Form-Sprache wie select */
input[type="text"]:not(.task-input):not(#ui-lang-switch),
input[type="number"]:not(.task-input),
input[type="search"]:not(.task-input),
textarea {
  font-family: inherit; font-size: 16px;
  background: var(--input-bg); color: var(--text);
  border: 2px solid var(--input-border);
  border-radius: 10px;
  padding: 10px 12px;
  min-height: 44px;
  transition: border-color var(--transition);
}
input[type="text"]:not(.task-input):focus,
input[type="number"]:not(.task-input):focus,
input[type="search"]:not(.task-input):focus,
textarea:focus { outline: none; border-color: var(--primary); }

/* File-Input freundlicher: zeigt Button-Look */
input[type="file"] {
  font-family: inherit; font-size: 14px;
  padding: 8px;
  background: var(--input-bg); color: var(--text);
  border: 2px dashed var(--input-border);
  border-radius: 10px;
  cursor: pointer;
  width: 100%;
}

/* Range Slider — größer und cleaner */
input[type="range"] {
  appearance: none; -webkit-appearance: none;
  height: 6px; background: var(--mastery-empty);
  border-radius: 3px;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none; -webkit-appearance: none;
  width: 24px; height: 24px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  border: 3px solid #fff;
}
input[type="range"]::-moz-range-thumb {
  width: 24px; height: 24px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  border: 3px solid #fff;
}

/* Result */
.result-card { text-align: center; padding: 32px; }
.result-emoji { font-size: 72px; margin-bottom: 16px; }
.result-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0; }
.result-stat {
  background: var(--card-bg); padding: 12px; border-radius: 8px;
  box-shadow: var(--shadow);
}
.result-stat .num { font-size: 28px; font-weight: 700; color: var(--primary); }
.result-stat .lbl { font-size: 12px; color: var(--muted); margin-top: 4px; }

footer { text-align: center; padding: 24px 16px; color: var(--muted); font-size: 12px; }
footer a { color: var(--muted); }

#toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: var(--bg);
  padding: 10px 18px; border-radius: 24px;
  font-size: 14px; box-shadow: 0 4px 16px rgba(0,0,0,.2);
  z-index: 200;
}

[hidden] { display: none !important; }
.action-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }