/* ==========================================================================
   GazeTo — Components
   ========================================================================== */

/* ── Buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: var(--font-bold);
  font-size: var(--text-base);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  min-height: 48px;
  min-width: 48px;
  transition: background-color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast);
  cursor: pointer;
  border: none;
  text-decoration: none;
  line-height: 1;
}

.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn-primary:hover {
  background-color: var(--color-primary-light);
}

.btn-primary:active {
  background-color: var(--color-primary-dark);
  transform: scale(0.98);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary-bg);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  background-color: var(--color-surface-alt);
}

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  min-height: 56px;
}

.btn-dwell {
  position: relative;
  min-width: 64px;
  min-height: 64px;
  overflow: hidden;
}

.btn-dwell .dwell-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  border: 3px solid transparent;
  pointer-events: none;
}

.btn-dwell.dwelling .dwell-progress {
  border-color: var(--color-primary-light);
  animation: dwell-fill var(--dwell-duration, 800ms) linear forwards;
}

@keyframes dwell-fill {
  from {
    clip-path: polygon(50% 50%, 50% 0%, 50% 0%, 50% 0%, 50% 0%, 50% 0%, 50% 0%);
  }
  14.28% {
    clip-path: polygon(50% 50%, 50% 0%, 100% 0%, 100% 0%, 100% 0%, 100% 0%, 100% 0%);
  }
  28.56% {
    clip-path: polygon(50% 50%, 50% 0%, 100% 0%, 100% 100%, 100% 100%, 100% 100%, 100% 100%);
  }
  42.84% {
    clip-path: polygon(50% 50%, 50% 0%, 100% 0%, 100% 100%, 50% 100%, 50% 100%, 50% 100%);
  }
  57.12% {
    clip-path: polygon(50% 50%, 50% 0%, 100% 0%, 100% 100%, 0% 100%, 0% 100%, 0% 100%);
  }
  71.4% {
    clip-path: polygon(50% 50%, 50% 0%, 100% 0%, 100% 100%, 0% 100%, 0% 0%, 0% 0%);
  }
  to {
    clip-path: polygon(50% 50%, 50% 0%, 100% 0%, 100% 100%, 0% 100%, 0% 0%, 50% 0%);
  }
}

/* ── Cards ── */

.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-clickable {
  cursor: pointer;
}

/* ── Activity Card ── */

.activity-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  cursor: pointer;
}

.activity-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.activity-card__thumbnail,
.activity-card__thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  background: var(--color-surface-alt);
}

.activity-card__thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Detail page thumbnail */
.detail-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  border-radius: var(--radius-lg, 12px);
  margin-bottom: var(--space-4, 1rem);
}

.detail-thumb__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.activity-card__badge {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-text-inverse);
}

.activity-card__body {
  padding: var(--space-3);
}

.activity-card__name {
  font-family: var(--font-headline);
  font-size: 1.1rem;
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-bottom: var(--space-1);
  line-height: 1.6;
}

.activity-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

/* ── Pills / Tags ── */

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: var(--font-medium);
  background: var(--color-surface-alt);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ── Bottom Navigation ── */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 64px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: var(--space-1) var(--space-2);
  min-width: 48px;
  min-height: 48px;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
}

.bottom-nav__item:hover {
  color: var(--color-text-secondary);
}

.bottom-nav__item.active {
  color: var(--color-primary);
}

.bottom-nav__item i {
  width: 24px;
  height: 24px;
}

.bottom-nav__label {
  font-size: 13px;
  font-weight: var(--font-medium);
}

/* ── Activity Grid ── */

.activity-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .activity-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .activity-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1200px) {
  .activity-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ── Filter Bar ── */

.filter-bar {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.filter-btn {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  background: var(--color-surface-alt);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 48px;
  min-width: 48px;
}

.filter-btn:hover {
  background: var(--color-primary-bg);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-btn.active,
.filter-btn.filter-btn--active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* ── Progress Bar ── */

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-surface-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  transition: width var(--transition-slow);
}

/* ── Toast / Notification ── */

.toast-container {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-text);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  box-shadow: var(--shadow-lg);
  max-width: 300px;
  text-align: center;
  pointer-events: auto;
  animation: toast-in 300ms var(--transition-spring) forwards;
}

.toast.toast-success { background: var(--color-success); }
.toast.toast-error   { background: var(--color-error); }
.toast.toast-info    { background: var(--color-info); }
.toast.toast-achievement {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}

.toast.hiding {
  animation: toast-out 200ms ease forwards;
}

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

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

/* ── Overlay / Modal ── */

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.overlay__panel {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  max-width: 480px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

/* ── Slider ── */

.slider-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.slider-group label {
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
}

.slider-group input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  outline: none;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 2px solid var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.slider-group .slider-value {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: right;
}

/* ── Toggle Switch ── */

.toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  min-height: 48px;
}

.toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle__track {
  width: 48px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  transition: background var(--transition-fast);
  position: relative;
}

.toggle input:checked + .toggle__track {
  background: var(--color-primary);
}

.toggle__track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.toggle input:checked + .toggle__track::after {
  transform: translateX(20px);
}

.toggle__label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

/* ── Section Header ── */

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.section-header h2 {
  font-size: var(--text-2xl);
}

.section-header h3 {
  font-size: var(--text-xl);
}

/* ── Stat Box ── */

.stat-box {
  text-align: center;
  padding: var(--space-4);
}

.stat-box__value {
  font-family: var(--font-headline);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-primary-dark);
}

.stat-box__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ── Stars Rating ── */

.stars {
  display: flex;
  gap: var(--space-1);
  justify-content: center;
}

.stars i {
  width: 32px;
  height: 32px;
  color: var(--color-border);
}

.stars i.filled {
  color: #f59e0b;
}

/* ── Pause Overlay ── */

.pause-overlay {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  background: rgba(0, 0, 0, 0.85) !important;
  z-index: 2020 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-direction: column !important;
}

.pause-overlay--hidden {
  display: none !important;
}

.pause-overlay__panel {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  gap: 16px;
  min-width: 320px;
  max-width: 540px;
  width: 90vw;
  padding: 32px;
}

.pause-overlay .pause-btn {
  width: 100% !important;
  min-width: 260px !important;
  min-height: 64px !important;
  font-size: 1.2rem !important;
  padding: 16px 32px !important;
  justify-content: center;
  border-radius: 14px;
  white-space: nowrap;
  overflow: visible;
  text-overflow: unset;
}

/* Volume sliders — large thumb for comfortable iPad touch dragging */
.pause-volume-slider {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
}
.pause-volume-slider::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.25);
}
.pause-volume-slider::-moz-range-track {
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.25);
}
.pause-volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  margin-top: -10px;
  border-radius: 50%;
  background: var(--color-primary, #4b698c);
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  cursor: pointer;
}
.pause-volume-slider::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary, #4b698c);
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  cursor: pointer;
}

.pause-overlay .pause-btn.btn--primary {
  background-color: var(--color-primary) !important;
  color: white !important;
  border: none !important;
}

.pause-overlay .pause-btn.btn--outline {
  background: rgba(255,255,255,0.1) !important;
  color: white !important;
  border: 2px solid rgba(255,255,255,0.5) !important;
}

.pause-overlay .pause-btn.btn--danger {
  color: #ff6b6b !important;
  border-color: #ff6b6b !important;
  background: rgba(255,107,107,0.1) !important;
}

.pause-overlay__title {
  color: var(--color-text-inverse);
  font-size: var(--text-3xl);
}

.screen-activity-runner {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 2000 !important;
  background: #000;
}

.runner-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  z-index: 2001;
}

.runner-pause {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 2010;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.3);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
}

.runner-pause:hover {
  background: rgba(0, 0, 0, 0.5);
}

.btn--icon {
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
}

.btn--danger {
  color: var(--color-error);
  border-color: var(--color-error);
}

.btn--danger:hover {
  background: rgba(220, 38, 38, 0.1);
}

.pause-overlay h2 {
  color: var(--color-text-inverse);
  font-size: var(--text-3xl);
}

/* ── Activity-Runner Top-Right Buttons (Pause + Quick-End) ── */

.runner-pause,
.runner-end {
  position: fixed;
  top: var(--space-4);
  /* z-index above .screen-activity-runner (2000) and .pause-overlay (2020) */
  z-index: 2050;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  box-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

.runner-pause { right: 84px; }   /* leave 12px gap to end button */
.runner-end   { right: 16px; background: rgba(220, 38, 38, 0.7); }

.runner-pause i,
.runner-end i { width: 24px; height: 24px; }

.runner-pause:hover,
.runner-end:hover { background: rgba(0, 0, 0, 0.65); transform: scale(1.05); }
.runner-end:hover { background: rgba(220, 38, 38, 0.9); }

/* ── Screen Base ── */

.screen {
  padding: var(--space-2) 0;
  max-width: 100%;
}

.screen-title {
  font-family: var(--font-headline);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

/* ── Badge ── */

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: var(--font-bold);
  color: var(--color-text-inverse);
  background: var(--color-primary);
  white-space: nowrap;
}

.badge--stufe {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 1;
}

.badge--large {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
}

/* ── Activity Card (enhanced layout) ── */

.activity-card {
  display: flex;
  flex-direction: column;
}

.activity-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.activity-card__name {
  display: block;
  padding: var(--space-3) var(--space-3) 0;
}

.activity-card .pill {
  margin: 0 var(--space-3) var(--space-3);
}

/* ── Pill Variants ── */

.pill--category {
  background: var(--color-primary-bg);
  color: var(--color-primary-dark);
}

.pill--kompetenz {
  background: var(--color-surface-alt);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

/* ── Pill with Tip (competency explanation) ── */

.pill-with-tip {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.pill-tip {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding-left: var(--space-2, 0.5rem);
  line-height: 1.6;
}

/* ── Stufe Explanation Line ── */

.detail-stufe-explain {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3, 0.75rem);
  margin-top: 0;
  font-style: italic;
  line-height: 1.6;
}

/* ── Filter Separator ── */

.filter-separator {
  display: flex;
  align-items: center;
  color: var(--color-border-strong);
  font-size: var(--text-lg);
  padding: 0 var(--space-1);
  user-select: none;
}

/* ── Empty Message ── */

.empty-message {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-base);
  padding: var(--space-8) var(--space-4);
  grid-column: 1 / -1;
}

/* ── Error Message ── */

.error-message {
  text-align: center;
  color: var(--color-error);
  font-size: var(--text-base);
  padding: var(--space-8) var(--space-4);
}

/* ── Back Button ── */

.btn--back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-secondary);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  margin-bottom: var(--space-4);
  cursor: pointer;
}

.btn--back:hover {
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

.btn--back i,
.btn--back svg {
  width: 20px;
  height: 20px;
}

/* ── Detail Page Buttons (uniform sizing) ── */

.detail-action-btn {
  min-width: 160px;
  min-height: 56px;
  font-size: 1.1rem;
  padding: 14px 28px;
  border-radius: 14px;
}

.detail-back-btn {
  min-height: 48px;
  font-size: 1rem;
  padding: 10px 20px;
  border-radius: 12px;
  /* Now lives in .detail-topbar — no bottom margin needed. */
}

.detail-topbar {
  position: sticky;
  top: 0;
  background: var(--color-bg);
  z-index: 50;
  padding-bottom: 8px !important;
  border-bottom: 1px solid var(--color-border, #e5e7eb);
}

/* Mobile: hide the "Zurück"/"Hilfe" text labels, keep icons only —
   gives the prominent "Starten" button room. */
@media (max-width: 600px) {
  .detail-topbar .detail-back-btn span,
  .detail-topbar .detail-action-btn:not(.btn--primary) span {
    display: none;
  }
  .detail-topbar .detail-back-btn,
  .detail-topbar .detail-action-btn:not(.btn--primary) {
    padding: 8px 12px !important;
  }
  .detail-topbar .btn--primary {
    padding: 8px 18px !important;
  }
}

.detail-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.detail-section-heading {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin: 20px 0 8px 0;
}

/* ── Goals Box (competency descriptions) ── */
.detail-goals-box {
  background: var(--color-surface-alt, #f5f5f5);
  border: 1px solid var(--color-border, #e0e0e0);
  border-radius: var(--radius-lg, 0.75rem);
  padding: var(--space-5, 1.25rem);
  margin: var(--space-5, 1.25rem) 0;
}
.detail-goals-box__heading {
  font-family: var(--font-headline);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--space-4, 1rem) 0;
}
.detail-goals-box__item {
  padding: var(--space-3, 0.75rem) 0;
  border-top: 1px solid var(--color-border, #e0e0e0);
}
.detail-goals-box__item:first-of-type {
  border-top: none;
  padding-top: 0;
}
.detail-goals-box__label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-dark, #3a5a7c);
  background: var(--color-primary-bg, #fdf2f4);
  padding: 2px 10px;
  border-radius: var(--radius-full, 9999px);
  margin-bottom: var(--space-1, 0.25rem);
}
.detail-goals-box__desc {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text-secondary, #4a4a4a);
  margin: var(--space-1, 0.25rem) 0 0 0;
}

/* ── Help Button ── */

.btn--help {
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.btn--help:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
}

/* ── Help Overlay ── */

.help-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.help-overlay__content {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  max-width: 520px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.help-overlay__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.help-overlay__close:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.help-overlay__close i,
.help-overlay__close svg {
  width: 24px;
  height: 24px;
}

.help-section__title {
  font-family: var(--font-headline);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
}

.help-section__title:first-of-type {
  margin-top: 0;
}

.help-section__text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-loose);
  margin-bottom: var(--space-2);
}

/* ── Section Title (shared) ── */

.section-title {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

/* ── Stats Grid ── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

@media (min-width: 600px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ── Stat Card ── */

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.stat-card__label {
  font-size: 1rem;
  color: var(--color-text-muted);
  font-weight: var(--font-medium);
  line-height: 1.6;
}

.stat-card__value {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

/* ── Metric Card (results screen) ── */

.metric-card {
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.metric-card__label {
  font-size: 1rem;
  color: var(--color-text-muted);
  font-weight: var(--font-medium);
  line-height: 1.6;
}

.metric-card__value {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

/* ── Metrics Grid ── */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}

@media (min-width: 600px) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ── Toggle (button-based in settings) ── */

.toggle--on {
  /* intentional: used in JS toggle */
}

.settings-row--toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
  min-height: 48px;
}

.settings-row--toggle + .settings-row--toggle {
  border-top: 1px solid var(--color-surface-alt);
}

/* Toggle button component (settings) */

.settings-row--toggle .toggle {
  position: relative;
  display: inline-block;
  width: 52px;
  min-width: 52px;
  height: 30px;
  min-height: 30px;
  max-height: 30px;
  border-radius: 999px;
  background: #c0c0c0;
  border: 1px solid var(--color-border, #d4d4d4);
  cursor: pointer;
  transition: background var(--transition-fast, 200ms ease);
  padding: 0;
  flex-shrink: 0;
  box-sizing: border-box;
  gap: 0;
  vertical-align: middle;
}

.settings-row--toggle .toggle--on {
  /* Theme-independent green "on" state (gray when off). Green reads as
     enabled/active everywhere — avoids the Kinderwelt accent turning toggles red. */
  background: #1f8a5b;
  border-color: #1a774e;
}

.settings-row--toggle .toggle__knob {
  position: absolute;
  top: 2px;
  left: 3px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: transform var(--transition-fast, 200ms ease);
  pointer-events: none;
}

.settings-row--toggle .toggle--on .toggle__knob {
  transform: translateX(22px);
}

/* ==========================================================================
   Webcam Status Indicator
   ========================================================================== */

.webcam-status {
  position: fixed;
  top: var(--space-3);
  right: var(--space-3);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  z-index: 9000;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.webcam-status--loading {
  background-color: #fef3cd;
  color: #856404;
}

.webcam-status--active {
  background-color: #d4edda;
  color: #155724;
}

.webcam-status--error {
  background-color: #f8d7da;
  color: #721c24;
}

.webcam-status--off {
  display: none;
}

/* ==========================================================================
   Webcam Calibration Overlay
   ========================================================================== */

.calibration-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.92);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: var(--space-6);
}

.calibration-instructions {
  color: #ffffff;
  font-family: var(--font-body);
  font-size: var(--text-lg);
  text-align: center;
  max-width: 600px;
  margin-bottom: var(--space-4);
  padding: 0 var(--space-4);
}

.calibration-progress {
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-body);
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}

.calibration-point {
  position: fixed;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
  border: 3px solid #ffffff;
  cursor: pointer;
  transition: background-color 0.3s, border-color 0.3s, transform 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  z-index: 10001;
}

.calibration-point__inner {
  width: 40%;
  height: 40%;
  border-radius: 50%;
  background-color: var(--color-primary, #4b698c);
  transition: background-color 0.3s;
}

.calibration-point__count {
  position: absolute;
  bottom: -24px;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  white-space: nowrap;
}

.calibration-point--active {
  animation: calibration-pulse 1.2s ease-in-out infinite;
  border-color: var(--color-primary, #4b698c);
}

.calibration-point--done {
  background-color: rgba(40, 167, 69, 0.4);
  border-color: #28a745;
}

.calibration-point--done .calibration-point__inner {
  background-color: #28a745;
}

.calibration-point--test {
  border-color: #ffc107;
  animation: calibration-pulse 1s ease-in-out infinite;
}

.calibration-point--test .calibration-point__inner {
  background-color: #ffc107;
}

@keyframes calibration-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.15); }
}

.calibration-cancel {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.5);
}

.calibration-cancel:hover {
  border-color: #ffffff;
}

.calibration-feedback {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  padding: var(--space-8);
}

.calibration-feedback__title {
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  margin: 0;
}

.calibration-feedback__message {
  color: rgba(255, 255, 255, 0.8);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  margin: 0;
}

.calibration-feedback__quality {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  margin: 0;
}

.calibration-feedback__quality--good {
  color: #28a745;
}

.calibration-feedback__quality--ok {
  color: #ffc107;
}

.calibration-feedback__quality--poor {
  color: #dc3545;
}

.calibration-done-btn {
  min-width: 160px;
}

.calibration-recal-btn {
  color: rgba(255, 255, 255, 0.8);
  border-color: rgba(255, 255, 255, 0.4);
}

/* ==========================================================================
   Switch Scanning Styles
   ========================================================================== */

.switch-scan-highlight {
  outline: 4px solid var(--color-primary, #4b698c) !important;
  outline-offset: 4px !important;
  box-shadow: 0 0 0 8px rgba(75, 105, 140, 0.25) !important;
  transition: outline-color 0.15s, box-shadow 0.15s;
}

.switch-scan-selected {
  outline-color: #28a745 !important;
  box-shadow: 0 0 0 8px rgba(40, 167, 69, 0.35) !important;
  transform: scale(0.97);
  transition: transform 0.1s;
}

.switch-scan-ring {
  position: fixed;
  pointer-events: none;
  z-index: 8999;
  border: 3px dashed var(--color-primary, #4b698c);
  border-radius: var(--radius-sm, 8px);
  transition: left 0.2s, top 0.2s, width 0.2s, height 0.2s;
  animation: switch-ring-pulse 1s ease-in-out infinite;
}

@keyframes switch-ring-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ── Color Swatch Picker ── */

.color-swatch-group {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.color-swatch {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  cursor: pointer;
  padding: 0;
  background: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 48px;
  min-width: 48px;
}

.color-swatch:hover {
  border-color: var(--color-text-secondary);
}

.color-swatch--active {
  border-color: var(--color-text);
  box-shadow: 0 0 0 2px var(--color-surface), 0 0 0 4px var(--color-text);
}

/* ── Settings subsections for webcam / switch ── */

.settings-subsection {
  margin-top: var(--space-3);
  padding: var(--space-4);
  background-color: var(--color-surface-secondary, rgba(0, 0, 0, 0.03));
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary, #4b698c);
}

/* ==========================================================================
   Stufenmodell — Skill Progression View
   ========================================================================== */

/* ── Header Section ── */

.stufen-header-section {
  margin-bottom: var(--space-6);
  text-align: center;
}

.stufen-overview-row {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-4);
}

@media (max-width: 599px) {
  .stufen-overview-row {
    flex-direction: column;
    gap: var(--space-3);
  }
}

.stufen-header-text {
  text-align: left;
  flex: 1;
}

@media (max-width: 599px) {
  .stufen-header-text {
    text-align: center;
  }
}

.stufen-title {
  margin-bottom: var(--space-2);
}

.stufen-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin: 0;
}

/* ── Mini Staircase Graphic ── */

.stufen-stair-graphic {
  display: flex;
  flex-direction: column-reverse;
  align-items: flex-start;
  gap: 3px;
  flex-shrink: 0;
  width: 140px;
}

.stufen-stair-step {
  height: 16px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s;
}

.stufen-stair-step:nth-child(1) { width: 30%; }
.stufen-stair-step:nth-child(2) { width: 40%; }
.stufen-stair-step:nth-child(3) { width: 50%; }
.stufen-stair-step:nth-child(4) { width: 60%; }
.stufen-stair-step:nth-child(5) { width: 72%; }
.stufen-stair-step:nth-child(6) { width: 85%; }
.stufen-stair-step:nth-child(7) { width: 100%; }

.stufen-stair-num {
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

/* ── Overview Image ── */

.stufen-overview-img {
  display: block;
  max-width: 400px;
  width: 100%;
  height: auto;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-lg, 12px);
}

/* ── Stufen Model Container ── */

.stufen-model {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ── Stufe Row ── */

.stufe-row {
  border-radius: var(--radius-md);
  border-left: 5px solid #ccc;
  padding: var(--space-4);
  background: var(--color-surface);
  transition: box-shadow 0.25s, transform 0.25s;
}

.stufe-row:hover {
  box-shadow: var(--shadow-md);
}

.stufe-current {
  box-shadow: 0 0 0 2px var(--color-primary), var(--shadow-lg);
  transform: scale(1.01);
}

/* ── Stufe Row Header ── */

.stufe-row-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-3);
}

.stufe-num-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: #fff;
  font-size: var(--text-lg);
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.stufe-row-info {
  flex: 1;
  min-width: 0;
}

.stufe-row-title {
  font-family: var(--font-headline);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin: 0 0 var(--space-1) 0;
  line-height: 1.2;
}

.stufe-row-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.4;
}

/* ── Stufe Progress ── */

.stufe-progress {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  min-width: 180px;
}

@media (max-width: 599px) {
  .stufe-progress {
    width: 100%;
    margin-top: var(--space-2);
  }
}

.stufe-progress-text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.stufe-progress-bar {
  flex: 1;
  height: 6px;
  background: var(--color-surface-alt, #eee);
  border-radius: var(--radius-full);
  overflow: hidden;
  min-width: 60px;
}

.stufe-progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}

.stufe-check {
  color: #28a745;
  display: flex;
  align-items: center;
}

.stufe-check i,
.stufe-check svg {
  width: 20px;
  height: 20px;
}

/* ── Lock Badge (Coming Soon) ── */

.stufe-lock-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  background: var(--color-surface-alt, #f0f0f0);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.stufe-lock-badge i,
.stufe-lock-badge svg {
  width: 16px;
  height: 16px;
}

/* ── Locked Stufe ── */

.stufe-locked {
  opacity: 0.65;
}

.stufe-locked-content {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-2) 0;
}

.stufe-locked-img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.stufe-locked-text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  font-style: italic;
  margin: 0;
}

/* ── Activity Cards (horizontal scroll) ── */

/* ── Scroll Wrapper ── */
.stufe-scroll-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.stufe-scroll-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border, #ddd);
  background: var(--color-surface, #fff);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: background 0.15s, box-shadow 0.15s;
}
.stufe-scroll-btn:hover {
  background: var(--color-primary-bg, #fdf2f4);
  box-shadow: var(--shadow-lg);
}
.stufe-scroll-btn--left {
  left: -4px;
}
.stufe-scroll-btn--right {
  right: -4px;
}
.stufe-scroll-btn i,
.stufe-scroll-btn svg {
  width: 20px;
  height: 20px;
}

.stufe-activities {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  padding: var(--space-2) var(--space-6);
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  cursor: grab;
  flex: 1;
}

.stufe-activities::-webkit-scrollbar {
  height: 6px;
}

.stufe-activities::-webkit-scrollbar-track {
  background: rgba(0,0,0,0.05);
  border-radius: 3px;
}

.stufe-activities::-webkit-scrollbar-thumb {
  background: var(--color-border-strong, #bbb);
  border-radius: var(--radius-full);
}
.stufe-activities::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted, #888);
}

.stufe-card {
  flex: 0 0 220px;
  scroll-snap-align: start;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.2s;
}

.stufe-card:hover,
.stufe-card:focus-visible {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.stufe-card:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.stufe-card__thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  position: relative;
}

.stufe-card__thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.stufe-card__body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stufe-card__name {
  font-family: var(--font-headline);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--color-text);
  line-height: 1.2;
}

.stufe-card__desc {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.stufe-card .pill {
  margin-top: var(--space-1);
  align-self: flex-start;
}

.stufe-empty {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
  padding: var(--space-2);
}

/* ── Responsive: larger cards on wider screens ── */

@media (min-width: 600px) {
  .stufe-card {
    flex: 0 0 260px;
  }
}

@media (min-width: 960px) {
  .stufe-card {
    flex: 0 0 280px;
  }
}

/* ==========================================================================
   Stufe Detail Page
   ========================================================================== */

.screen-stufe-detail {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

@media (max-width: 600px) {
  .stufe-detail-header {
    flex-direction: column !important;
    gap: var(--space-2) !important;
    padding: var(--space-3) !important;
  }
  .stufe-detail-title {
    font-size: var(--text-xl) !important;
  }
}

.stufe-detail-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  border-left: 5px solid #ccc;
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

.stufe-detail-info {
  flex: 1;
  min-width: 0;
}

.stufe-detail-title {
  font-family: var(--font-headline);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin: 0 0 var(--space-2) 0;
  line-height: 1.2;
}

.stufe-detail-desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.5;
}

.stufe-detail-img {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  margin: 0 auto var(--space-6);
  border-radius: var(--radius-lg, 12px);
}

.stufe-detail-activities {
  margin-bottom: var(--space-6);
}

.stufe-detail-accordions {
  margin-bottom: var(--space-6);
}

.stufe-detail-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-border);
}

/* ── Stufe Accordion ── */

.stufe-accordion {
  border: 1px solid var(--color-border, #e0e0e0);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
}

.stufe-accordion__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  background: var(--color-surface-alt, #f8f8f8);
  list-style: none;
}

.stufe-accordion__header::-webkit-details-marker {
  display: none;
}

.stufe-accordion__icon {
  font-size: 1.3rem;
}

.stufe-accordion__title {
  flex: 1;
}

.stufe-accordion__chevron {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  transition: transform 0.2s;
}

.stufe-accordion[open] .stufe-accordion__chevron {
  transform: rotate(180deg);
}

.stufe-accordion[open] .stufe-accordion__header {
  border-bottom: 1px solid var(--color-border, #e0e0e0);
}

.stufe-accordion__body {
  padding: 20px;
  line-height: 1.7;
  font-size: 0.95rem;
  white-space: pre-line;
}

.stufe-accordion__body a {
  color: var(--color-primary);
  text-decoration: underline;
}

.stufe-accordion--simple .stufe-accordion__header { background: #E8F5E9; }
.stufe-accordion--educational .stufe-accordion__header { background: #E3F2FD; }
.stufe-accordion--therapeutic .stufe-accordion__header { background: #FFF3E0; }
.stufe-accordion--evidence .stufe-accordion__header { background: #F3E5F5; }
.stufe-accordion--tips-parents .stufe-accordion__header { background: #FFF8E1; }
.stufe-accordion--tips-therapists .stufe-accordion__header { background: #E0F7FA; }
.stufe-accordion--links .stufe-accordion__header { background: #F1F8E9; }

/* Links in accordion */
.stufe-link-item {
  margin: 0 0 var(--space-2) 0;
  line-height: 1.6;
}

.stufe-link-item a {
  word-break: break-all;
}

/* ==========================================================================
   Gaze Analytics — Results Screen
   ========================================================================== */

/* ── Analytics Accordion ── */

.analytics-accordion {
  border: 1px solid var(--color-border, #e0e0e0);
  border-radius: 12px;
  margin-top: var(--space-4);
  overflow: hidden;
}

.analytics-accordion__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  background: var(--color-surface-alt, #f8f8f8);
  list-style: none;
}

.analytics-accordion__header::-webkit-details-marker {
  display: none;
}

.analytics-accordion__icon {
  font-size: 1.3rem;
}

.analytics-accordion__title {
  flex: 1;
}

.analytics-accordion__chevron {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  transition: transform 0.2s;
}

.analytics-accordion[open] .analytics-accordion__chevron {
  transform: rotate(180deg);
}

.analytics-accordion[open] .analytics-accordion__header {
  border-bottom: 1px solid var(--color-border, #e0e0e0);
}

.analytics-accordion__body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ── Side Bias Bar ── */

.side-bias-section {
  margin-bottom: var(--space-2);
}

.side-bias-label {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.side-bias-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px 10px;
  border-radius: var(--radius-full);
}

.side-bias-badge--balanced {
  background: #E8F5E9;
  color: #2e7d32;
}

.side-bias-badge--warning {
  background: #FFF3E0;
  color: #e65100;
}

.side-bias-bar {
  display: flex;
  height: 28px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-size: var(--text-xs);
  font-weight: 600;
}

.side-bias-bar__left {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #42a5f5;
  color: #fff;
  transition: width 0.4s ease;
  min-width: 28px;
}

.side-bias-bar__right {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ef5350;
  color: #fff;
  transition: width 0.4s ease;
  min-width: 28px;
}

/* ── Zone Distribution Grid (3x3) ── */

.zone-grid-section {
  margin-bottom: var(--space-2);
}

.zone-grid-title {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.zone-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  max-width: 180px;
  aspect-ratio: 1;
}

.zone-grid__cell {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  min-height: 48px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* ── Fatigue Indicator ── */

.fatigue-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
}

.fatigue-indicator--ok {
  background: #E8F5E9;
  color: #2e7d32;
}

.fatigue-indicator--warning {
  background: #FFF3E0;
  color: #e65100;
}

.fatigue-indicator__icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.fatigue-indicator__text {
  flex: 1;
}

.fatigue-indicator__detail {
  font-weight: 400;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ── Metric Row (label + value inline) ── */

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border, #eee);
  font-size: var(--text-sm);
}

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

.metric-row__label {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.metric-row__value {
  font-weight: 700;
  color: var(--color-text);
}

/* ── Analytics Sections ── */

.analytics-section-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  padding-bottom: var(--space-1);
  border-bottom: 2px solid var(--color-border, #eee);
}

.analytics-section-explain {
  font-size: 0.85rem;
  color: var(--color-text-secondary, #4a4a4a);
  margin-bottom: var(--space-3);
  font-style: italic;
  line-height: 1.5;
}

.metric-row__explanation {
  font-size: 0.8rem;
  color: var(--color-text-secondary, #4a4a4a);
  padding: 2px 0 8px 0;
  line-height: 1.4;
  border-bottom: 1px solid var(--color-border, #f0f0f0);
  margin-bottom: 4px;
}

@media (max-width: 599px) {
  .zone-grid {
    max-width: 140px;
  }
  .zone-grid__cell {
    min-height: 40px;
    font-size: 10px;
  }
}

/* ==========================================================================
   Progress Dashboard
   ========================================================================== */

.progress-dashboard {
  padding: var(--space-4);
  padding-bottom: calc(var(--space-16, 4rem) + 80px);
  max-width: 960px;
  margin: 0 auto;
}

.progress-dashboard__header {
  margin-bottom: var(--space-6);
}

.progress-dashboard__title-row {
  margin-bottom: var(--space-3);
}

.progress-dashboard__stats-row {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.progress-dashboard__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--color-surface, #fff);
  border-radius: var(--radius-md, 12px);
  padding: var(--space-3) var(--space-5);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  min-width: 100px;
  flex: 1;
}

.progress-dashboard__stat-value {
  font-size: var(--text-2xl, 1.5rem);
  font-weight: 900;
  color: var(--color-primary, #4b698c);
  line-height: 1.2;
}

.progress-dashboard__stat-label {
  font-size: var(--text-xs, 0.75rem);
  color: var(--color-text-muted, #6b7280);
  margin-top: var(--space-1);
  text-align: center;
}

.progress-dashboard__loading {
  text-align: center;
  padding: var(--space-8);
  color: var(--color-text-muted, #6b7280);
}

.progress-dashboard__empty {
  text-align: center;
  padding: var(--space-12, 3rem);
}

.progress-dashboard__empty-icon {
  width: 64px;
  height: 64px;
  color: var(--color-text-muted, #6b7280);
  margin-bottom: var(--space-4);
}

/* ── Progress Sections ── */

.progress-section {
  margin-bottom: var(--space-6);
}

.progress-section__title {
  font-size: var(--text-lg, 1.125rem);
  font-weight: 700;
  color: var(--color-text, #1f2937);
  margin-bottom: var(--space-3);
}

/* ── Trend Cards Row ── */

.trend-cards-row {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
}

.trend-cards-row::-webkit-scrollbar {
  height: 4px;
}

.trend-cards-row::-webkit-scrollbar-thumb {
  background: var(--color-border, #e5e7eb);
  border-radius: 4px;
}

.trend-card {
  flex: 0 0 200px;
  background: var(--color-surface, #fff);
  border-radius: var(--radius-md, 12px);
  padding: var(--space-3) var(--space-4);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
}

.trend-card__label {
  font-size: var(--text-xs, 0.75rem);
  font-weight: 600;
  color: var(--color-text-muted, #6b7280);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-1);
}

.trend-card__value-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}

.trend-card__value {
  font-size: var(--text-xl, 1.25rem);
  font-weight: 900;
  color: var(--color-text, #1f2937);
}

.trend-card__direction {
  font-size: var(--text-xs, 0.75rem);
  font-weight: 600;
}

.trend-card__change {
  font-size: var(--text-xs, 0.75rem);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.trend-card__sparkline {
  width: 100%;
  height: 60px;
  display: block;
  margin-top: auto;
}

/* ── Side Bias Timeline ── */

.side-bias-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.side-bias-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.side-bias-row__date {
  font-size: var(--text-xs, 0.75rem);
  color: var(--color-text-muted, #6b7280);
  min-width: 80px;
  flex-shrink: 0;
}

.side-bias-bar {
  flex: 1;
  display: flex;
  height: 20px;
  border-radius: 4px;
  overflow: hidden;
  min-width: 0;
}

.side-bias-bar__left {
  height: 100%;
  transition: width 0.3s ease;
}

.side-bias-bar__right {
  height: 100%;
  transition: width 0.3s ease;
}

.side-bias-bar--balanced .side-bias-bar__left {
  background: #16a34a;
}
.side-bias-bar--balanced .side-bias-bar__right {
  background: #22c55e;
}

.side-bias-bar--slight .side-bias-bar__left {
  background: #eab308;
}
.side-bias-bar--slight .side-bias-bar__right {
  background: #facc15;
}

.side-bias-bar--strong .side-bias-bar__left {
  background: #dc2626;
}
.side-bias-bar--strong .side-bias-bar__right {
  background: #f87171;
}

.side-bias-row__pct {
  font-size: var(--text-xs, 0.75rem);
  color: var(--color-text-muted, #6b7280);
  min-width: 40px;
  text-align: right;
  flex-shrink: 0;
}

.side-bias-legend {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.side-bias-legend__item {
  display: flex;
  align-items: center;
  font-size: var(--text-xs, 0.75rem);
  color: var(--color-text-muted, #6b7280);
}

.side-bias-legend__dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: var(--space-1);
}

.side-bias-legend__dot--balanced { background: #16a34a; }
.side-bias-legend__dot--slight   { background: #eab308; }
.side-bias-legend__dot--strong   { background: #dc2626; }

/* ── Milestones ── */

.milestone-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.milestone-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md, 12px);
  background: var(--color-surface, #fff);
  box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}

.milestone-item--achieved {
  border-left: 3px solid #16a34a;
}

.milestone-item--next {
  border-left: 3px solid var(--color-primary, #4b698c);
  background: var(--color-primary-bg, #fef2f4);
}

.milestone-item__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  color: var(--color-primary, #4b698c);
}

.milestone-item--achieved .milestone-item__icon {
  color: #16a34a;
}

.milestone-item__icon i,
.milestone-item__icon svg {
  width: 20px;
  height: 20px;
}

.milestone-item__text {
  flex: 1;
  font-size: var(--text-sm, 0.875rem);
  color: var(--color-text, #1f2937);
}

.milestone-item__check {
  display: flex;
  align-items: center;
  color: #16a34a;
  flex-shrink: 0;
}

.milestone-item__check i,
.milestone-item__check svg {
  width: 20px;
  height: 20px;
}

/* ── Comparison Grid ── */

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-3);
}

.comparison-card {
  background: var(--color-surface, #fff);
  border-radius: var(--radius-md, 12px);
  padding: var(--space-4);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.comparison-card__label {
  font-size: var(--text-xs, 0.75rem);
  font-weight: 600;
  color: var(--color-text-muted, #6b7280);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-3);
}

.comparison-card__values {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.comparison-card__block {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

.comparison-card__block-label {
  font-size: var(--text-xs, 0.75rem);
  color: var(--color-text-muted, #6b7280);
  margin-bottom: var(--space-1);
}

.comparison-card__block-value {
  font-size: var(--text-lg, 1.125rem);
  font-weight: 700;
  color: var(--color-text, #1f2937);
}

.comparison-card__block-value--current {
  color: var(--color-primary, #4b698c);
}

.comparison-card__arrow {
  display: flex;
  align-items: center;
  color: var(--color-text-muted, #6b7280);
}

.comparison-card__arrow i,
.comparison-card__arrow svg {
  width: 18px;
  height: 18px;
}

.comparison-card__change {
  text-align: center;
  font-size: var(--text-sm, 0.875rem);
  font-weight: 700;
  margin-top: var(--space-2);
}

/* ── Session History ── */

.session-history-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.session-history-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface, #fff);
  border-radius: var(--radius-sm, 8px);
  font-size: var(--text-sm, 0.875rem);
}

.session-history-item:nth-child(even) {
  background: var(--color-surface-alt, #f9fafb);
}

.session-history-item__date {
  color: var(--color-text-muted, #6b7280);
  font-size: var(--text-xs, 0.75rem);
  min-width: 110px;
  flex-shrink: 0;
}

.session-history-item__name {
  flex: 1;
  font-weight: 600;
  color: var(--color-text, #1f2937);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-history-item__duration {
  color: var(--color-text-secondary, #4b5563);
  min-width: 60px;
  text-align: right;
  flex-shrink: 0;
}

.session-history-item__metric {
  font-weight: 700;
  color: var(--color-primary, #4b698c);
  min-width: 45px;
  text-align: right;
  flex-shrink: 0;
}

/* ── Progress Dashboard Responsive ── */

@media (max-width: 599px) {
  .progress-dashboard {
    padding: var(--space-3);
  }

  .progress-dashboard__stats-row {
    gap: var(--space-2);
  }

  .progress-dashboard__stat {
    padding: var(--space-2) var(--space-3);
    min-width: 80px;
  }

  .progress-dashboard__stat-value {
    font-size: var(--text-xl, 1.25rem);
  }

  .trend-card {
    flex: 0 0 170px;
    padding: var(--space-2) var(--space-3);
  }

  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .session-history-item {
    flex-wrap: wrap;
    gap: var(--space-1) var(--space-2);
  }

  .session-history-item__date {
    min-width: auto;
    flex-basis: 100%;
  }
}

/* ==========================================================================
   Profile Picker
   ========================================================================== */

.screen-profile-picker {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  padding: var(--space-8) var(--space-4);
}

.profile-picker__title {
  text-align: center;
  margin-bottom: var(--space-8);
  font-size: var(--text-2xl);
}

.profile-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, 120px);
  gap: var(--space-4);
  justify-content: center;
  max-width: 600px;
  width: 100%;
}

.profile-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 4px;
  width: 140px;
  min-height: 210px;
  height: auto;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast);
  padding: var(--space-4) var(--space-3);
  text-align: center;
  border: 2px solid transparent;
  box-sizing: border-box;
}

.profile-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.profile-card:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.profile-card--active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary), var(--shadow-sm);
}

.profile-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  font-weight: 800;
  color: #fff;
  position: relative;
  flex-shrink: 0;
  margin-bottom: var(--space-2);
}

.profile-avatar--small {
  width: 40px;
  height: 40px;
  font-size: var(--text-lg);
  margin-bottom: 0;
}

.profile-avatar--add {
  background: var(--color-surface-alt);
  border: 2px dashed var(--color-border);
}

.profile-avatar__check {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-surface);
}

.profile-card__name {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  line-height: 1.3;
}

.profile-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
  white-space: nowrap;
}

.profile-add-card {
  border: 2px dashed var(--color-border);
  background: transparent;
}

.profile-add-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
}

/* ── Profile Form ── */

.profile-form {
  max-width: 400px;
  width: 100%;
  margin-top: var(--space-6);
  padding: var(--space-6);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.profile-form__title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
  text-align: center;
}

.profile-form__group {
  margin-bottom: var(--space-4);
}

.profile-form__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.profile-form__input {
  width: 100%;
}

.profile-form__colors {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.profile-form__color-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast),
              border-color var(--transition-fast);
  padding: 0;
}

.profile-form__color-btn:hover {
  transform: scale(1.15);
}

.profile-form__color-btn--active {
  border-color: var(--color-text-primary);
  transform: scale(1.15);
}

.profile-form__color-btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.profile-form__actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  margin-top: var(--space-4);
}

/* ── Settings Profile Header ── */

.settings-profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

@media (max-width: 480px) {
  .profile-picker {
    grid-template-columns: repeat(auto-fill, 120px);
    gap: var(--space-3);
  }

  .profile-card {
    width: 120px;
    min-height: 190px;
    height: auto;
  }

  .profile-avatar {
    width: 52px;
    height: 52px;
    font-size: var(--text-xl);
  }
}

/* ── Language Grid ── */
.lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
  max-height: 400px;
  overflow-y: auto;
  padding: 4px;
}
.lang-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 2px solid var(--color-border, #e0e0e0);
  background: var(--color-surface, #fff);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.15s;
}
.lang-btn:hover {
  border-color: var(--color-primary);
  background: rgba(75, 105, 140, 0.05);
}
.lang-btn.active {
  border-color: var(--color-primary);
  background: rgba(75, 105, 140, 0.1);
  font-weight: 600;
}
.lang-btn__flag {
  font-size: 1.4rem;
}
.lang-btn__name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}