/* ==========================================================================
   DEUTSCHLERNEN - SPRECHEN STUDIO & AUDIO EXAM EVALUATOR STYLES
   Modern Glassmorphism, Dynamic Audio Visualizer & Premium Dark/Light UI
   ========================================================================== */

:root {
  --sp-bg-primary: #0a0e17;
  --sp-bg-card: rgba(18, 24, 38, 0.75);
  --sp-bg-card-hover: rgba(26, 34, 53, 0.85);
  --sp-border-card: rgba(255, 255, 255, 0.08);
  --sp-border-accent: rgba(59, 130, 246, 0.35);
  
  --sp-text-main: #f8fafc;
  --sp-text-muted: #94a3b8;
  --sp-text-gold: #fbbf24;
  
  --sp-accent-primary: #3b82f6;
  --sp-accent-glow: rgba(59, 130, 246, 0.35);
  --sp-accent-success: #10b981;
  --sp-accent-danger: #ef4444;
  --sp-accent-warning: #f59e0b;
  
  --sp-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --sp-radius-md: 14px;
  --sp-radius-lg: 20px;
  --sp-radius-full: 9999px;
  --sp-transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

body.sp-body {
  margin: 0;
  padding: 0;
  background-color: var(--sp-bg-primary);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(16, 185, 129, 0.08) 0%, transparent 45%);
  background-attachment: fixed;
  color: var(--sp-text-main);
  font-family: var(--sp-font-sans);
  line-height: 1.6;
  min-height: 100vh;
}

/* Container */
.sp-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

/* Header & Top Bar */
.sp-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--sp-border-card);
  margin-bottom: 28px;
}

.sp-brand-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sp-brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.sp-brand-title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sp-brand-subtitle {
  margin: 0;
  font-size: 13px;
  color: var(--sp-text-muted);
}

.sp-nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sp-nav-link {
  color: var(--sp-text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 11px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  transition: var(--sp-transition);
}

.sp-nav-link:hover {
  color: var(--sp-text-main);
  background: var(--sp-bg-card);
  border-color: var(--sp-border-card);
}

/* Part Tabs */
.sp-part-tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  margin-bottom: 24px;
}

.part-tab-btn {
  background: var(--sp-bg-card);
  border: 1px solid var(--sp-border-card);
  color: var(--sp-text-muted);
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: 9px;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--sp-transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.part-tab-btn:hover {
  background: var(--sp-bg-card-hover);
  color: var(--sp-text-main);
  border-color: rgba(255, 255, 255, 0.15);
}

.part-tab-btn.active {
  background: rgba(59, 130, 246, 0.14);
  border-color: var(--sp-accent-primary);
  color: #60a5fa;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

/* Topic Card */
.sp-card {
  background: var(--sp-bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--sp-border-card);
  border-radius: var(--sp-radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: var(--sp-transition);
}

.sp-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.sp-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--sp-radius-full);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.sp-select {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--sp-border-card);
  color: var(--sp-text-main);
  padding: 8px 14px;
  border-radius: var(--sp-radius-md);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  transition: var(--sp-transition);
}

.sp-select:focus {
  border-color: var(--sp-accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.topic-title {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}

.topic-desc {
  margin: 0 0 20px;
  color: var(--sp-text-muted);
  font-size: 14px;
}

/* Leitpunkte Grid */
.leitpunkte-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sp-text-gold);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.leitpunkte-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.leitpunkt-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--sp-border-card);
  border-radius: var(--sp-radius-md);
  transition: var(--sp-transition);
}

.leitpunkt-item.covered {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.4);
}

.lp-status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #64748b;
  margin-top: 5px;
  flex-shrink: 0;
  transition: var(--sp-transition);
}

.leitpunkt-item.covered .lp-status-dot {
  background: var(--sp-accent-success);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.8);
}

.lp-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--sp-text-main);
}

.leitpunkt-item.covered .lp-label {
  color: #a7f3d0;
}

.lp-keywords-hint {
  display: block;
  font-size: 11px;
  color: var(--sp-text-muted);
  margin-top: 2px;
}

/* --- RECORDING CONTROL BAR --- */
.recording-bar-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.recording-bar-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.rec-btn-wrapper {
  position: relative;
  margin-bottom: 20px;
}

.btn-record-main {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border: 4px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
  color: #fff;
  font-size: 30px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--sp-transition);
  position: relative;
  z-index: 2;
  outline: none;
}

.btn-record-main:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.6);
}

.btn-record-main.recording {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  border-color: rgba(239, 68, 68, 0.4);
  box-shadow: 0 0 25px rgba(239, 68, 68, 0.7);
  animation: pulse-rec 1.8s infinite;
}

@keyframes pulse-rec {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
  70% { transform: scale(1.04); box-shadow: 0 0 0 16px rgba(239, 68, 68, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.rec-action-label {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.rec-meta-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.recording-timer {
  font-family: monospace;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #f1f5f9;
  background: rgba(0, 0, 0, 0.4);
  padding: 4px 12px;
  border-radius: var(--sp-radius-md);
  border: 1px solid var(--sp-border-card);
}

.rec-status-badge {
  font-size: 13px;
  font-weight: 600;
  color: var(--sp-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.rec-status-badge.active {
  color: #ef4444;
}

.rec-status-badge.listening {
  color: #60a5fa;
}

/* Audio Wave Visualizer */
.audio-wave-visualizer {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 38px;
  padding: 0 14px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--sp-radius-full);
  border: 1px solid var(--sp-border-card);
}

.wave-bar {
  width: 4px;
  height: 6px;
  background: #ef4444;
  border-radius: 2px;
  transition: height 0.08s ease, background 0.2s ease;
}

/* Lang Switcher */
.rec-controls-sub {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.lang-toggle-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--sp-border-card);
  color: var(--sp-text-muted);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--sp-radius-full);
  cursor: pointer;
  transition: var(--sp-transition);
}

.lang-toggle-btn.active {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border-color: var(--sp-accent-primary);
}

.btn-secondary-tool {
  background: transparent;
  border: 1px solid var(--sp-border-card);
  color: var(--sp-text-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--sp-radius-full);
  cursor: pointer;
  transition: var(--sp-transition);
}

.btn-secondary-tool:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

/* Hardware Diagnostics Panel */
.diag-panel {
  width: 100%;
  max-width: 600px;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--sp-radius-md);
  padding: 16px 20px;
  margin-top: 20px;
  text-align: left;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.diag-title {
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.diag-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.diag-row:last-child {
  border-bottom: none;
}

.diag-status.success { color: var(--sp-accent-success); font-weight: 600; }
.diag-status.warning { color: var(--sp-accent-warning); font-weight: 600; }
.diag-status.error { color: var(--sp-accent-danger); font-weight: 600; }

.diag-vu-track {
  width: 120px;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.diag-vu-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #10b981, #f59e0b, #ef4444);
  transition: width 0.05s ease;
}

/* --- TRANSCRIPT EDITOR --- */
.transcript-card {
  padding: 20px 24px;
}

.transcript-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.transcript-textarea {
  width: 100%;
  min-height: 130px;
  background: rgba(10, 14, 23, 0.7);
  border: 1px solid var(--sp-border-card);
  border-radius: var(--sp-radius-md);
  padding: 14px 16px;
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.6;
  resize: vertical;
  box-sizing: border-box;
  outline: none;
  transition: var(--sp-transition);
}

.transcript-textarea:focus {
  border-color: var(--sp-accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.transcript-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

.btn-primary-action {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--sp-radius-md);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--sp-transition);
}

.btn-primary-action:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.5);
}

/* Audio Playback Card */
.playback-card {
  display: none;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--sp-radius-md);
  padding: 16px 20px;
  margin-top: 16px;
}

.playback-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.playback-inner audio {
  flex: 1;
  min-width: 250px;
  height: 40px;
  outline: none;
}

.btn-download-audio {
  color: #60a5fa;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--sp-radius-md);
  transition: var(--sp-transition);
}

.btn-download-audio:hover {
  background: rgba(59, 130, 246, 0.2);
  color: #fff;
}

/* --- EVALUATION RESULTS CARD --- */
.eval-card {
  display: none;
  background: linear-gradient(180deg, rgba(20, 28, 48, 0.85) 0%, rgba(15, 23, 42, 0.95) 100%);
  border: 1px solid rgba(59, 130, 246, 0.4);
}

.eval-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--sp-border-card);
  margin-bottom: 20px;
}

.eval-score-block {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.score-number {
  font-size: 44px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #fff;
}

.score-max {
  font-size: 18px;
  color: var(--sp-text-muted);
}

.eval-pass-badge {
  font-size: 14px;
  font-weight: 800;
  padding: 8px 18px;
  border-radius: var(--sp-radius-full);
  letter-spacing: 0.04em;
}

.eval-pass-badge.pass {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.5);
}

.eval-pass-badge.fail {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.5);
}

/* Criteria Grid */
.criteria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.crit-card {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--sp-border-card);
  border-radius: var(--sp-radius-md);
  padding: 12px 14px;
}

.crit-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--sp-text-muted);
  margin-bottom: 4px;
}

.crit-val {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}

/* Verdict box */
.eval-verdict-box {
  background: rgba(59, 130, 246, 0.08);
  border-left: 4px solid var(--sp-accent-primary);
  border-radius: 0 var(--sp-radius-md) var(--sp-radius-md) 0;
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 14px;
}

/* Tag Sections */
.eval-tags-group {
  margin-bottom: 16px;
}

.eval-tags-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--sp-text-muted);
  margin-bottom: 8px;
}

.eval-tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.eval-tag {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--sp-radius-md);
}

.eval-tag.covered {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.eval-tag.missed {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.eval-tag.redemittel {
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.eval-tag-empty {
  font-size: 12px;
  color: var(--sp-text-muted);
  font-style: italic;
}

/* --- EXAM HISTORY --- */
.history-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.empty-history-hint {
  text-align: center;
  padding: 30px 20px;
  color: var(--sp-text-muted);
  border: 1px dashed var(--sp-border-card);
  border-radius: var(--sp-radius-md);
}

.history-card {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--sp-border-card);
  border-radius: var(--sp-radius-md);
  padding: 16px 18px;
  margin-bottom: 12px;
  transition: var(--sp-transition);
}

.history-card:hover {
  background: rgba(0, 0, 0, 0.35);
  border-color: rgba(255, 255, 255, 0.15);
}

.history-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}

.history-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.history-badge {
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--sp-radius-full);
}

.history-badge.pass { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.history-badge.fail { background: rgba(239, 68, 68, 0.2); color: #f87171; }

.history-title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.history-date {
  font-size: 12px;
  color: var(--sp-text-muted);
}

.history-snippet {
  font-size: 13px;
  color: #cbd5e1;
  margin: 0 0 10px;
}

.history-stats-row {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--sp-text-muted);
  flex-wrap: wrap;
}

/* Responsive tweaks */
@media (max-width: 640px) {
  .sp-container { padding: 16px 12px 60px; }
  .topic-title { font-size: 18px; }
  .btn-record-main { width: 72px; height: 72px; font-size: 26px; }
  .score-number { font-size: 34px; }
}

/* ==========================================================================
   Interactive View Selector Pills & Panels (Task, Model Answer, Redemittel)
   ========================================================================== */
.sp-view-pills {
  display: flex;
  gap: 8px;
  margin: 16px 0 20px;
  border-bottom: 1px solid var(--sp-border-card);
  padding-bottom: 12px;
  overflow-x: auto;
}

.sp-view-pill {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--sp-border-card);
  color: var(--sp-text-muted);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--sp-radius-full);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--sp-transition);
}

.sp-view-pill:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.sp-view-pill.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(37, 99, 235, 0.15));
  border-color: #3b82f6;
  color: #93c5fd;
  box-shadow: 0 2px 10px rgba(59, 130, 246, 0.2);
}

/* Model Answer Panel */
.model-answer-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
  background: rgba(15, 23, 42, 0.6);
  padding: 10px 14px;
  border-radius: var(--sp-radius-md);
  border: 1px solid var(--sp-border-card);
}

.model-tts-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-tts-action {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  border: none;
  border-radius: var(--sp-radius-md);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--sp-transition);
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.btn-tts-action:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.btn-tts-action.secondary {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
  box-shadow: none;
}

.btn-tts-action.secondary:hover {
  background: rgba(239, 68, 68, 0.3);
}

.model-lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
}

.model-lang-hint {
  font-size: 12px;
  color: var(--sp-text-muted);
}

.model-lang-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--sp-border-card);
  color: var(--sp-text-muted);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--sp-radius-sm);
  cursor: pointer;
  transition: var(--sp-transition);
}

.model-lang-btn:hover {
  color: #fff;
}

.model-lang-btn.active {
  background: #3b82f6;
  border-color: #3b82f6;
  color: #fff;
}

.model-speech-box {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--sp-radius-md);
  padding: 18px 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: #f1f5f9;
  white-space: pre-wrap;
  margin-bottom: 14px;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
}

.model-speech-box .dialogue-speaker {
  font-weight: 800;
  color: #60a5fa;
  margin-top: 10px;
  display: inline-block;
}

.model-translation-box {
  background: rgba(15, 23, 42, 0.5);
  border: 1px dashed var(--sp-border-card);
  border-radius: var(--sp-radius-md);
  padding: 16px 18px;
  font-size: 13.5px;
  line-height: 1.65;
  color: #94a3b8;
  white-space: pre-wrap;
  margin-bottom: 16px;
}

.model-action-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.btn-copy-model {
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.4);
  color: #93c5fd;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: var(--sp-radius-md);
  cursor: pointer;
  transition: var(--sp-transition);
}

.btn-copy-model:hover {
  background: rgba(59, 130, 246, 0.25);
  color: #fff;
  border-color: #60a5fa;
}

.model-copy-hint {
  font-size: 11.5px;
  color: var(--sp-text-muted);
}

/* Redemittel Chips & Vocab Grid */
.phrases-section-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.phrases-header h4 {
  margin: 0 0 4px;
  font-size: 14px;
  color: #e2e8f0;
}

.phrases-chips-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.phrase-chip-item {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(96, 165, 250, 0.3);
  padding: 8px 12px;
  border-radius: var(--sp-radius-md);
  cursor: pointer;
  transition: var(--sp-transition);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.phrase-chip-item:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: #60a5fa;
  transform: translateY(-1px);
}

.phrase-chip-text {
  font-weight: 700;
  font-size: 13px;
  color: #bfdbfe;
}

.phrase-chip-meaning {
  font-size: 11px;
  color: var(--sp-text-muted);
}

.topic-vocab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}

.topic-vocab-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--sp-border-card);
  border-radius: var(--sp-radius-md);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.topic-vocab-word {
  font-weight: 700;
  font-size: 13.5px;
  color: #38bdf8;
}

.topic-vocab-plural {
  font-size: 11px;
  color: var(--sp-text-muted);
}

.topic-vocab-trans {
  font-size: 12px;
  color: #cbd5e1;
  margin-top: 2px;
}

@media (max-width: 768px), (pointer: coarse) {
  .sp-nav-link,
  .part-tab-btn {
    min-height: 44px;
    min-width: 44px;
  }
}