/* FIXY shared UI components */

.btn {
  --btn-bg: var(--ink);
  --btn-fg: var(--bg-elevated);
  --btn-bd: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.85rem;
  padding: 0.7rem 1.25rem;
  border: 1.5px solid var(--btn-bd);
  border-radius: var(--r-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition:
    transform var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out);
}

.btn:hover {
  transform: translateY(-1px);
  color: var(--btn-fg);
  box-shadow: var(--shadow-md);
}

.btn:active { transform: translateY(0); }

.btn--primary {
  --btn-bg: var(--ink);
  --btn-fg: #FFFCFA;
}

.btn--secondary {
  --btn-bg: var(--apricot);
  --btn-fg: var(--ink);
  --btn-bd: color-mix(in srgb, var(--apricot-deep) 55%, transparent);
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  --btn-bd: var(--line);
}

.btn--ghost:hover {
  --btn-bg: var(--mist-soft);
}

.btn--soft {
  --btn-bg: var(--mist);
  --btn-fg: var(--ink);
}

.btn--danger {
  --btn-bg: var(--pro);
  --btn-fg: #FFFCFA;
}

.btn--sm {
  min-height: 2.35rem;
  padding: 0.45rem 0.95rem;
  font-size: var(--fs-xs);
}

.btn--lg {
  min-height: 3.25rem;
  padding: 0.9rem 1.6rem;
  font-size: 1rem;
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  padding: var(--s-5);
  box-shadow: var(--shadow-sm);
}

.card--soft {
  background: color-mix(in srgb, var(--mist-soft) 70%, var(--surface));
  border-color: transparent;
  box-shadow: none;
}

.card--apricot {
  background: color-mix(in srgb, var(--apricot-soft) 80%, var(--surface));
  border-color: transparent;
  box-shadow: none;
}

.card--interactive {
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}

.card--interactive:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* Badges / safety levels */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.65rem;
  border-radius: var(--r-pill);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge--safe { background: var(--safe-bg); color: var(--safe); }
.badge--guided { background: var(--guided-bg); color: var(--guided); }
.badge--pro { background: var(--pro-bg); color: var(--pro); }
.badge--mist { background: var(--mist); color: var(--ink); }
.badge--apricot { background: var(--apricot); color: var(--ink); }

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.85rem;
  align-items: center;
  font-size: var(--fs-sm);
  color: var(--ink-muted);
}

.meta-row strong {
  color: var(--ink);
  font-weight: 600;
}

/* Forms */
.field {
  display: grid;
  gap: 0.45rem;
}

.field label {
  font-size: var(--fs-sm);
  font-weight: 600;
}

.field-hint {
  font-size: var(--fs-xs);
  color: var(--ink-muted);
}

.input,
.textarea,
.select {
  width: 100%;
  min-height: 3rem;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}

.textarea {
  min-height: 7.5rem;
  resize: vertical;
  line-height: 1.5;
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--focus) 55%, var(--line));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--mist-deep) 55%, transparent);
}

.input::placeholder,
.textarea::placeholder {
  color: color-mix(in srgb, var(--ink-muted) 75%, transparent);
}

.upload-zone {
  position: relative;
  display: grid;
  place-items: center;
  gap: 0.65rem;
  min-height: 11rem;
  padding: var(--s-5);
  border: 1.5px dashed var(--mist-deep);
  border-radius: var(--r-lg);
  background:
    linear-gradient(180deg, var(--mist-soft), color-mix(in srgb, var(--apricot-soft) 40%, var(--mist-soft)));
  text-align: center;
  cursor: pointer;
  transition: border-color var(--dur-fast), transform var(--dur-fast);
}

.upload-zone:hover,
.upload-zone:focus-within {
  border-color: var(--ink-muted);
  transform: translateY(-1px);
}

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.upload-zone__icon {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.upload-zone strong { font-weight: 650; }
.upload-zone p { font-size: var(--fs-sm); color: var(--ink-muted); }

.upload-preview {
  width: 100%;
  max-height: 14rem;
  object-fit: cover;
  border-radius: var(--r-md);
}

/* Chips / scenario picks */
.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip {
  appearance: none;
  border: 1.5px solid var(--line);
  background: var(--surface);
  color: var(--ink-soft);
  border-radius: var(--r-pill);
  padding: 0.55rem 0.95rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: background var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast);
}

.chip:hover {
  border-color: var(--mist-deep);
  background: var(--mist-soft);
}

.chip.is-selected,
.chip[aria-pressed="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg-elevated);
}

/* Repair / kit cards */
.repair-grid,
.kit-grid,
.idea-grid {
  display: grid;
  gap: var(--s-5);
}

.repair-grid {
  grid-template-columns: repeat(3, 1fr);
}

.kit-grid {
  grid-template-columns: repeat(auto-fit, minmax(16.5rem, 1fr));
}

.idea-grid {
  grid-template-columns: repeat(2, 1fr);
}

.repair-card,
.kit-card {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.repair-card h3,
.kit-card h3 {
  font-size: 1.35rem;
}

.repair-card .zh,
.kit-card .zh {
  display: block;
  margin-top: 0.2rem;
}

.card-media {
  aspect-ratio: 4 / 3;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--mist);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-actions {
  margin-top: auto;
  display: flex;
  gap: 0.5rem;
}

/* Flow / steps */
.flow-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--s-3);
}

.flow-step {
  position: relative;
  text-align: center;
  padding: var(--s-4) var(--s-3);
  border-radius: var(--r-xl);
  background: var(--surface);
  border: 1px solid var(--line-soft);
}

.flow-step__num {
  width: 2.75rem;
  height: 2.75rem;
  margin: 0 auto var(--s-3);
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--apricot), var(--mist));
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
}

.flow-step h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 650;
  margin-bottom: 0.35rem;
}

.flow-step p {
  font-size: var(--fs-xs);
  color: var(--ink-muted);
  line-height: 1.45;
}

/* System pipeline (brand visual) */
.pipeline {
  display: grid;
  gap: 0;
  max-width: 28rem;
  margin-inline: auto;
}

.pipeline__node {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-4);
  align-items: center;
  padding: 0.85rem 1.1rem;
  border-radius: var(--r-pill);
  background: var(--surface);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}

.pipeline__node span {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--mist);
  font-size: var(--fs-xs);
  font-family: var(--font-display);
}

.pipeline__node.is-accent {
  background: linear-gradient(90deg, var(--apricot), var(--mist-soft));
  border-color: transparent;
}

.pipeline__arrow {
  height: 1.35rem;
  width: 2px;
  margin-left: 2.05rem;
  background: linear-gradient(180deg, var(--mist-deep), var(--apricot-deep));
}

/* Safety split */
.safety-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-5);
}

.safety-panel {
  padding: var(--s-6);
  border-radius: var(--r-xl);
}

.safety-panel--ok {
  background: var(--safe-bg);
}

.safety-panel--pro {
  background: var(--pro-bg);
}

.safety-panel ul {
  margin-top: var(--s-4);
  display: grid;
  gap: 0.65rem;
}

.safety-panel li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.65rem;
  align-items: start;
  font-size: var(--fs-sm);
}

.safety-panel li::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.55;
}

/* Stats */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-4);
}

.stat {
  padding: var(--s-5);
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--line-soft);
}

.stat__num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat__label {
  font-size: var(--fs-sm);
  color: var(--ink-muted);
}

/* Map / station */
.station-map {
  position: relative;
  min-height: 22rem;
  border-radius: var(--r-xl);
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 40%, var(--apricot) 0%, transparent 28%),
    radial-gradient(circle at 70% 55%, var(--mist) 0%, transparent 32%),
    linear-gradient(160deg, #E8ECF5, #F6F1EA);
  border: 1px solid var(--line-soft);
}

.station-pin {
  position: absolute;
  transform: translate(-50%, -100%);
  display: grid;
  gap: 0.25rem;
  justify-items: center;
}

.station-pin__dot {
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--apricot) 70%, transparent);
}

.station-pin__label {
  padding: 0.35rem 0.65rem;
  border-radius: var(--r-pill);
  background: var(--surface);
  font-size: var(--fs-xs);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.station-pin.is-active .station-pin__dot {
  background: color-mix(in srgb, var(--apricot-deep) 40%, var(--ink));
}

/* AI demo panel */
.ai-demo {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--s-5);
  align-items: stretch;
}

.ai-result {
  display: grid;
  gap: 0.75rem;
}

.ai-result__row {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: var(--s-3);
  padding: 0.85rem 1rem;
  border-radius: var(--r-md);
  background: var(--mist-soft);
  align-items: center;
}

.ai-result__row dt {
  font-size: var(--fs-xs);
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.ai-result__row dd {
  margin: 0;
  font-weight: 600;
}

/* Page hero (inner pages) */
.page-hero {
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(2rem, 4vw, 3rem);
}

.page-hero h1 {
  max-width: 16ch;
}

.page-hero .lead {
  margin-top: var(--s-4);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  margin-bottom: var(--s-4);
  font-size: var(--fs-xs);
  color: var(--ink-muted);
}

.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { color: var(--ink); }

/* Empty / loading / error states */
.state-box {
  padding: var(--s-7) var(--s-5);
  text-align: center;
  border-radius: var(--r-xl);
  background: var(--mist-soft);
}

.state-box h3 { margin-bottom: var(--s-3); }

.skeleton {
  border-radius: var(--r-md);
  background: linear-gradient(90deg, var(--mist-soft), var(--mist), var(--mist-soft));
  background-size: 200% 100%;
  animation: shimmer 1.2s linear infinite;
}

@keyframes shimmer {
  to { background-position: -200% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .skeleton { animation: none; }
}

/* Responsive components */
@media (max-width: 1100px) {
  .flow-row {
    grid-template-columns: repeat(3, 1fr);
  }
  .repair-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 800px) {
  .idea-grid,
  .ai-demo,
  .safety-split {
    grid-template-columns: 1fr;
  }
  .stat-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .flow-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .ai-result__row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

@media (max-width: 560px) {
  .repair-grid,
  .flow-row,
  .stat-row {
    grid-template-columns: 1fr;
  }
}