/* ---------- Mechanics grid ---------- */
.mech-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.mech-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-1);
}
.mech-card[data-filtered='hide'] { display: none; }
.mech-card__tag {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-300);
}
.mech-card__head { display: flex; align-items: center; gap: 10px; }
.mech-card__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg-3);
  color: var(--accent-500);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.mech-card__title { margin: 0; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.mech-card__copy { color: var(--ink-200); font-size: 14px; margin: 0; }
.mech-card__rule {
  background: var(--bg-1);
  border: 1px dashed var(--line-strong);
  padding: 10px 12px;
  border-radius: var(--radius-s);
  font-size: 13px;
  color: var(--ink-200);
}
.mech-card__rule strong { color: var(--ink-0); }
.mech-card__rule em { color: var(--bad); font-style: normal; }
.mech-card__stage {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 14px;
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  touch-action: pan-y;
}
.mech-card__stage[data-empty='true']::after {
  content: attr(data-empty-label);
  color: var(--ink-300);
  font-size: 13px;
}
.mech-card__controls { display: flex; flex-wrap: wrap; gap: 8px; }
.mech-card__controls .btn { padding: 8px 12px; font-size: 13px; }

/* ---------- Swipe deck ---------- */
.swipe-deck {
  position: relative;
  width: 100%;
  height: 200px;
  perspective: 800px;
}
.swipe-card {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-m);
  background: var(--bg-3);
  border: 1px solid var(--line-strong);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--ink-100);
  transform-origin: 50% 100%;
  will-change: transform, opacity;
  transition: transform var(--dur-mid) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
  touch-action: none;
  user-select: none;
}
.swipe-card__title { font-size: 15px; font-weight: 600; }
.swipe-card__meta { color: var(--ink-300); font-size: 12px; }
.swipe-card__hint { color: var(--accent-500); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; }
.swipe-card[data-pos='0'] { transform: translate(0, 0) scale(1); z-index: 4; }
.swipe-card[data-pos='1'] { transform: translate(0, 8px) scale(0.97); z-index: 3; opacity: 0.9; }
.swipe-card[data-pos='2'] { transform: translate(0, 16px) scale(0.94); z-index: 2; opacity: 0.7; }
.swipe-card[data-pos='3'] { transform: translate(0, 24px) scale(0.91); z-index: 1; opacity: 0.55; }
.swipe-card[data-leaving='left'] { transform: translate(-150%, 0) rotate(-12deg); opacity: 0; }
.swipe-card[data-leaving='right'] { transform: translate(150%, 0) rotate(12deg); opacity: 0; }
.swipe-card[data-flip='up'] { transform: translate(0, -150%) scale(0.96); opacity: 0; }
.swipe-card[data-flip='down'] { transform: translate(0, 150%) scale(0.96); opacity: 0; }
.swipe-deck__actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  justify-content: center;
}
.swipe-deck__action {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--bg-2);
  display: grid;
  place-items: center;
  color: var(--ink-100);
  transition: background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.swipe-deck__action:hover { background: var(--bg-3); border-color: var(--line-strong); }
.swipe-deck__action[data-action='pass']:hover { color: var(--bad); }
.swipe-deck__action[data-action='keep']:hover { color: var(--ok); }

/* ---------- Bottom sheet (mini preview only — full sheet below) ---------- */
.sheet-preview { width: 100%; }
.sheet-preview__handle { width: 40px; height: 4px; background: var(--line-strong); border-radius: 2px; margin: 0 auto 8px; }
.sheet-preview__row { display: flex; align-items: center; gap: 8px; padding: 8px 0; color: var(--ink-100); }
.sheet-preview__row + .sheet-preview__row { border-top: 1px solid var(--line); }

/* ---------- Compare card ---------- */
.compare-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  width: 100%;
}
.compare-card__side {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
  color: var(--ink-100);
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.compare-card__side.is-selected { border-color: var(--accent-500); background: color-mix(in oklab, var(--accent-500) 10%, var(--bg-3)); }
.compare-card__side h4 { margin: 0; font-size: 14px; }
.compare-card__side p { margin: 0; color: var(--ink-300); font-size: 13px; }
.compare-card__divider {
  text-align: center;
  color: var(--ink-300);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.compare-card__pick { display: flex; gap: 8px; margin-top: 6px; }
.compare-card__pick button { padding: 6px 10px; font-size: 12px; }

/* ---------- Progress ---------- */
.progress-stage { width: 100%; display: flex; flex-direction: column; gap: 14px; }
.progress-bar {
  position: relative;
  height: 10px;
  background: var(--bg-3);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.progress-bar__fill {
  position: absolute;
  inset: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-700), var(--accent-500));
  transition: width var(--dur-mid) var(--ease-in-out);
}
.progress-bar__fill[data-mode='step'] { transition: width var(--dur-slow) var(--ease-in-out); }
.progress-stages { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-300); }
.progress-stages span[data-state='done'] { color: var(--ok); }
.progress-stages span[data-state='current'] { color: var(--accent-500); }
.progress-stage__controls { display: flex; gap: 8px; flex-wrap: wrap; }
.progress-ring {
  --p: 0;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: conic-gradient(var(--accent-500) calc(var(--p) * 1%), var(--bg-3) 0%);
  display: grid;
  place-items: center;
  margin: 0 auto;
  position: relative;
}
.progress-ring::after {
  content: attr(data-label);
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: var(--bg-1);
  display: grid;
  place-items: center;
  font-weight: 600;
  color: var(--ink-0);
  font-size: 14px;
}
.progress-row { display: flex; align-items: center; gap: 16px; }

/* ---------- Button feedback ---------- */
.feedback-row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.feedback-btn { position: relative; overflow: hidden; isolation: isolate; }
.feedback-btn .ripple {
  position: absolute;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  background: color-mix(in oklab, var(--accent-300) 70%, transparent);
  width: 10px;
  height: 10px;
  pointer-events: none;
  animation: ripple var(--dur-slow) var(--ease-out) forwards;
}
@keyframes ripple {
  to { transform: translate(-50%, -50%) scale(20); opacity: 0; }
}
.feedback-btn[data-state='success'] { background: var(--ok); color: #0c2a1c; }
.feedback-btn[data-state='error'] { background: var(--bad); color: #2a0c0c; }
.feedback-btn[data-state='loading'] { pointer-events: none; opacity: 0.85; }
.feedback-btn .spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Loading ---------- */
.loading-stage { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.skeleton { width: 100%; max-width: 220px; display: flex; flex-direction: column; gap: 8px; }
.skeleton__line {
  height: 12px;
  background: linear-gradient(90deg, var(--bg-3) 0%, color-mix(in oklab, var(--bg-3) 60%, var(--ink-300)) 50%, var(--bg-3) 100%);
  background-size: 200% 100%;
  border-radius: 6px;
  animation: shimmer 1.4s linear infinite;
}
.skeleton__line--short { width: 60%; }
.skeleton__line--mid { width: 80%; }
@keyframes shimmer { to { background-position: -200% 0; } }
.spinner-ring {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 3px solid color-mix(in oklab, var(--accent-500) 25%, transparent);
  border-top-color: var(--accent-500);
  animation: spin 0.8s linear infinite;
}
.progress-dots { display: flex; gap: 6px; }
.progress-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg-3);
  animation: bounce 1.2s var(--ease-in-out) infinite;
}
.progress-dots span:nth-child(2) { animation-delay: 0.15s; }
.progress-dots span:nth-child(3) { animation-delay: 0.3s; }
@keyframes bounce {
  0%, 80%, 100% { transform: scale(0.6); background: var(--bg-3); }
  40% { transform: scale(1); background: var(--accent-500); }
}

/* ---------- Drawer (mini) ---------- */
.drawer-preview { width: 100%; }
.drawer-preview__panel {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform-origin: right center;
  transition: transform var(--dur-mid) var(--ease-out);
}
.drawer-preview__panel[data-state='closed'] { transform: translateX(40%); opacity: 0.6; }

/* ---------- Transitions ---------- */
.transition-stage { width: 100%; }
.transition-stack {
  position: relative;
  height: 140px;
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--bg-3);
  border: 1px solid var(--line);
}
.transition-stack__layer {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--ink-0);
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: opacity var(--dur-mid) var(--ease-out), transform var(--dur-mid) var(--ease-out);
}
.transition-stack__layer--a { background: color-mix(in oklab, var(--accent-700) 40%, var(--bg-3)); }
.transition-stack__layer--b { background: color-mix(in oklab, var(--ok) 30%, var(--bg-3)); opacity: 0; transform: scale(0.98); }
.transition-stack__layer--c { background: color-mix(in oklab, var(--warn) 30%, var(--bg-3)); opacity: 0; transform: translateX(20px); }
.transition-stack[data-mode='a'] .transition-stack__layer--a { opacity: 1; transform: none; }
.transition-stack[data-mode='a'] .transition-stack__layer--b,
.transition-stack[data-mode='a'] .transition-stack__layer--c,
.transition-stack[data-mode='b'] .transition-stack__layer--a,
.transition-stack[data-mode='c'] .transition-stack__layer--a { opacity: 0; }
.transition-stack[data-mode='b'] .transition-stack__layer--b { opacity: 1; transform: none; }
.transition-stack[data-mode='a'] .transition-stack__layer--b { transform: scale(0.98); }
.transition-stack[data-mode='b'] .transition-stack__layer--c { transform: translateX(20px); }
.transition-stack[data-mode='c'] .transition-stack__layer--c { opacity: 1; transform: none; }

/* ---------- Compare section ---------- */
.compare__picker {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 18px;
}
.compare__picker label { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-200); font-size: 14px; }
.compare__picker label > span {
  width: 24px; height: 24px; border-radius: 6px;
  background: var(--bg-3); display: grid; place-items: center;
  font-weight: 600; color: var(--ink-0); font-size: 12px;
}
.compare__picker select {
  background: var(--bg-2);
  color: var(--ink-100);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px;
  min-width: 180px;
  font-size: 14px;
}
.compare__vs { color: var(--ink-300); font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; }
.compare__table {
  display: grid;
  gap: 0;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
}
.compare__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
}
.compare__row:first-child { border-top: none; }
.compare__row__head { color: var(--ink-300); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; }
.compare__row__a, .compare__row__b { color: var(--ink-0); font-size: 14px; }
.compare__row__a::before { content: "A · "; color: var(--accent-500); font-weight: 600; }
.compare__row__b::before { content: "B · "; color: var(--accent-500); font-weight: 600; }

/* ---------- Combo ---------- */
.combo { display: grid; gap: 18px; }
.combo__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.combo__steps li {
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-200);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.combo__steps li[data-state='current'] { background: var(--accent-500); color: var(--accent-ink); border-color: transparent; }
.combo__steps li[data-state='done'] { border-color: var(--ok); color: var(--ok); }
.combo__steps li button {
  background: none;
  border: none;
  color: inherit;
  font-size: 12px;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.combo__stage {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 18px;
  min-height: 220px;
  display: grid;
  place-items: stretch;
}
.combo__note { color: var(--ink-200); margin: 0; font-size: 14px; }

/* ---------- Drawer overlay ---------- */
.drawer { position: fixed; inset: 0; z-index: 60; }
.drawer[hidden] { display: none; }
.drawer__scrim {
  position: absolute;
  inset: 0;
  background: color-mix(in oklab, #000 50%, transparent);
  opacity: 0;
  transition: opacity var(--dur-mid) var(--ease-out);
}
.drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: min(420px, 100%);
  background: var(--bg-1);
  border-left: 1px solid var(--line);
  box-shadow: var(--shadow-2);
  transform: translateX(100%);
  transition: transform var(--dur-mid) var(--ease-out);
  display: flex;
  flex-direction: column;
}
.drawer[data-state='open'] .drawer__scrim { opacity: 1; }
.drawer[data-state='open'] .drawer__panel { transform: translateX(0); }
.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}
.drawer__head h2 { margin: 0; font-size: 18px; }
.drawer__body { padding: 18px; overflow: auto; flex: 1; }

/* ---------- Sheet overlay ---------- */
.sheet { position: fixed; inset: 0; z-index: 70; }
.sheet[hidden] { display: none; }
.sheet__scrim {
  position: absolute;
  inset: 0;
  background: color-mix(in oklab, #000 50%, transparent);
  opacity: 0;
  transition: opacity var(--dur-mid) var(--ease-out);
}
.sheet__panel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-1);
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  border-top: 1px solid var(--line);
  box-shadow: var(--shadow-2);
  transform: translateY(100%);
  transition: transform var(--dur-mid) var(--ease-out);
  max-height: 80dvh;
  display: flex;
  flex-direction: column;
}
.sheet[data-state='open'] .sheet__scrim { opacity: 1; }
.sheet[data-state='open'] .sheet__panel { transform: translateY(0); }
.sheet__handle {
  width: 44px;
  height: 4px;
  background: var(--line-strong);
  border-radius: 2px;
  margin: 10px auto 0;
}
.sheet__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px 4px;
}
.sheet__head h2 { margin: 0; font-size: 17px; }
.sheet__body { padding: 12px 18px 22px; overflow: auto; }

/* ---------- Toasts ---------- */
.toast-region {
  position: fixed;
  inset: auto 0 16px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 80;
  pointer-events: none;
  padding: 0 var(--gutter);
}
.toast {
  background: var(--bg-2);
  color: var(--ink-0);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 14px;
  box-shadow: var(--shadow-2);
  max-width: 480px;
  pointer-events: auto;
  animation: toastIn var(--dur-mid) var(--ease-out);
}
.toast--ok { border-color: var(--ok); }
.toast--bad { border-color: var(--bad); }
.toast--info { border-color: var(--accent-500); }
@keyframes toastIn {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ---------- Quickrules ---------- */
.quickrules { list-style: none; padding: 0; margin: 12px 0 0; display: flex; flex-direction: column; gap: 10px; }
.quickrules li { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 10px 12px; }
.quickrules strong { display: block; font-size: 13px; }
.quickrules span { color: var(--ink-300); font-size: 13px; }

/* ---------- Manifesto ---------- */
.manifesto__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.manifesto__list li {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 14px 16px;
  color: var(--ink-200);
  font-size: 15px;
}
.manifesto__list strong { color: var(--ink-0); }