/* Girls Pudding Cookbook — warm paper + polaroid aesthetic */
:root {
  --paper: #f4ead6;
  --paper-dark: #e6d8b6;
  --ink: #3a2f25;
  --ink-soft: #6b5a48;
  --accent: #b84a2e;
  --accent-soft: #e08a6f;
  --good: #5a8a3a;
  --good-soft: #9fc07f;
  --bad: #c24a4a;
  --bad-soft: #e28383;
  --shadow: 0 8px 20px -10px rgba(60, 40, 20, 0.45);
  --shadow-lift: 0 16px 32px -12px rgba(60, 40, 20, 0.55);
  --radius: 6px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: "Segoe UI", "Hiragino Sans", "Noto Sans JP", "Noto Sans SC", "Noto Sans TC",
    system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(ellipse at 20% 10%, #fff8e5 0%, transparent 60%),
    radial-gradient(ellipse at 80% 80%, #f8e8c7 0%, transparent 55%),
    repeating-linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.01) 0 2px,
      transparent 2px 4px
    ),
    var(--paper);
  min-height: 100vh;
  padding-bottom: 4rem;
}

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem 2rem;
  padding: 1.4rem clamp(1rem, 4vw, 3rem) 1rem;
  border-bottom: 1px dashed rgba(60, 40, 20, 0.18);
}

.brand h1 {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  margin: 0;
  letter-spacing: 0.02em;
}
.brand .subtitle {
  margin: 0.15rem 0 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
}

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

.field { display: inline-flex; align-items: center; gap: 0.45rem; font-size: 0.85rem; color: var(--ink-soft); }
.field-label { white-space: nowrap; }

/* Custom select — native <select> looks out of place against the paper aesthetic. */
.select {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-width: 9.5rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid rgba(60, 40, 20, 0.28);
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
  user-select: none;
  transition: background .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.select:hover { background: rgba(255, 255, 255, 0.85); border-color: rgba(60, 40, 20, 0.5); }
.select:focus-visible { outline: none; box-shadow: 0 0 0 2px rgba(184, 74, 46, 0.35); }
.select-current { flex: 1; white-space: nowrap; }
.select-caret {
  color: var(--ink-soft);
  transition: transform .2s var(--ease);
}
.select[aria-expanded="true"] .select-caret { transform: rotate(180deg); }

.select-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  margin: 0;
  padding: 0.25rem;
  list-style: none;
  background: var(--paper);
  border: 1px solid rgba(60, 40, 20, 0.28);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lift);
  z-index: 20;
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity .18s var(--ease), transform .18s var(--ease);
}
.select[aria-expanded="true"] .select-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.select-opt {
  padding: 0.4rem 0.65rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background .15s var(--ease), color .15s var(--ease);
}
.select-opt:hover, .select-opt.active { background: var(--ink); color: var(--paper); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 500;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform .15s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
  user-select: none;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-lift); }
.btn:active { transform: translateY(0); }
.btn.ghost {
  background: transparent;
  color: var(--ink-soft);
  border: 1px dashed rgba(60, 40, 20, 0.3);
  box-shadow: none;
}
.btn.ghost:hover { background: rgba(255, 255, 255, 0.55); color: var(--ink); }

.file-field { cursor: pointer; }

.stats {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--ink);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(60, 40, 20, 0.15);
}

/* ---------- Layout ---------- */
main {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.5rem;
  padding: 0 clamp(1rem, 4vw, 3rem);
  align-items: start;
}
@media (max-width: 820px) { main { grid-template-columns: 1fr; } }

/* ---------- Inventory panel ---------- */
.inventory-panel {
  position: sticky;
  top: 1rem;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(60, 40, 20, 0.15);
  border-radius: 10px;
  padding: 1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(4px);
}
.inventory-panel h2 { margin: 0 0 0.25rem; font-size: 1.05rem; }
.inventory-panel .hint { margin: 0 0 0.75rem; color: var(--ink-soft); font-size: 0.75rem; }

.inventory-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(62px, 1fr));
  gap: 0.5rem;
}
.inv-item {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform .15s var(--ease), filter .2s var(--ease);
  user-select: none;
}
/* Render the slot frame PNG as a tinted mask so we control its color. */
.inv-item::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--ink);
  -webkit-mask: url("assets/ui/item_slot.png") center/contain no-repeat;
          mask: url("assets/ui/item_slot.png") center/contain no-repeat;
  pointer-events: none;
}
.inv-item img {
  position: relative;
  width: 52%;
  height: 52%;
  object-fit: contain;
  /* Source art is white-on-transparent — brightness(0) forces RGB to pure black while keeping alpha. */
  filter: brightness(0);
  transition: filter .2s var(--ease);
}
.inv-item:hover { transform: translateY(-1px) scale(1.03); }
.inv-item:hover img { filter: brightness(0) saturate(1.2); }
.inv-item[data-count="0"] img { filter: brightness(0) opacity(0.28); }
.inv-item.unused {
  animation: shake .4s var(--ease);
  box-shadow: inset 0 0 0 2px var(--bad);
  border-radius: 8px;
}
.inv-item.unused::after {
  content: attr(data-unused-label);
  position: absolute;
  top: -6px; right: -4px;
  background: var(--bad);
  color: #fff;
  font-size: 0.6rem;
  padding: 1px 5px;
  border-radius: 999px;
  box-shadow: var(--shadow);
  white-space: nowrap;
}
.inv-item .badge {
  position: absolute;
  bottom: 2px;
  right: 4px;
  z-index: 2;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 999px;
  min-width: 18px;
  text-align: center;
  pointer-events: none;
  /* Fade/scale the badge in and out when the count goes 0 ↔ N. */
  opacity: 0;
  transform: scale(0.55);
  transform-origin: center;
  transition: opacity .22s var(--ease), transform .28s var(--ease);
}
.inv-item .badge.visible {
  opacity: 1;
  transform: scale(1);
}
/* Tiny pulse when the count changes (added and immediately cleared from JS). */
.inv-item .badge.bump {
  animation: badge-bump .32s var(--ease);
}
@keyframes badge-bump {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.28); }
  100% { transform: scale(1); }
}
.inv-item .name-tip {
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--ink);
  color: var(--paper);
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  transition: opacity .15s var(--ease), transform .2s var(--ease);
  z-index: 5;
}
.inv-item:hover .name-tip { opacity: 1; transform: translateX(-50%) translateY(0); }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-3px); }
  75% { transform: translateX(3px); }
}

/* ---------- Recipe wall ---------- */
.recipe-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.75rem 1.25rem;
  padding: 0.25rem 0 1rem;
}

.card {
  position: relative;
  aspect-ratio: 0.78 / 1;
  background: url("assets/ui/polaroid.png") center/100% 100% no-repeat;
  padding: 20px 20px 82px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transform-origin: center bottom;
  transition: transform .35s var(--ease), filter .35s var(--ease), opacity .35s var(--ease);
  filter: drop-shadow(0 6px 14px rgba(60,40,20,0.25));
  will-change: transform, filter;
}
.card:nth-child(3n+1) { transform: rotate(-1.2deg); }
.card:nth-child(3n+2) { transform: rotate(0.6deg); }
.card:nth-child(3n)   { transform: rotate(-0.4deg); }
.card:hover { transform: translateY(-6px) rotate(0) scale(1.03); filter: drop-shadow(0 14px 22px rgba(60,40,20,0.35)); z-index: 2; }

.card .photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 1%;
}
.card .photo img {
  width: 90%;
  height: 90%;
  object-fit: contain;
  transition: transform .4s var(--ease), filter .4s var(--ease);
}
.card:hover .photo img { transform: scale(1.04); }

.card .caption {
  position: absolute;
  bottom: 8px;
  left: 16px;
  right: 20px;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.15;
  font-family: "Comic Sans MS", "Segoe Script", "Hiragino Maru Gothic Pro", "Noto Sans JP", cursive;
}
.card .caption .tool-tag {
  display: block;
  font-weight: 400;
  font-size: 0.65rem;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
  margin-top: 2px;
}

/* Ingredient strip at bottom of the photo area but above the caption */
.card .ingredients {
  position: absolute;
  left: 16px;
  right: 20px;
  bottom: 40px;
  display: flex;
  justify-content: center;
  gap: 4px;
  pointer-events: none;
}
.ingredient {
  position: relative;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .25s var(--ease);
}
.ingredient::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--ink);
  -webkit-mask: url("assets/ui/item_slot.png") center/contain no-repeat;
          mask: url("assets/ui/item_slot.png") center/contain no-repeat;
  pointer-events: none;
}
.ingredient img {
  position: relative;
  width: 54%;
  height: 54%;
  object-fit: contain;
  /* Same white-on-transparent art as inventory — darken so it reads on the polaroid paper. */
  filter: brightness(0);
  transition: filter .3s var(--ease);
}
.ingredient .placeholder {
  position: relative;
  font-size: 0.6rem;
  color: var(--ink-soft);
  text-align: center;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.ingredient.have {
  box-shadow: 0 0 0 2px var(--good), 0 0 8px var(--good-soft);
  border-radius: 6px;
  transform: scale(1.08);
}
.ingredient.have img { filter: brightness(0) drop-shadow(0 0 3px rgba(140, 200, 100, 0.85)); }

/* Card state variants */
.card.made .photo img { filter: sepia(.2) saturate(.9); }
.card.made::after {
  content: attr(data-stamp);
  position: absolute;
  top: 14%;
  right: 10%;
  transform: rotate(18deg);
  color: rgba(160, 40, 40, 0.65);
  border: 3px solid rgba(160, 40, 40, 0.55);
  padding: 2px 10px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 4px;
  pointer-events: none;
  text-shadow: 0 0 2px rgba(255,255,255,0.5);
}
.card.makeable {
  filter: drop-shadow(0 6px 14px rgba(90, 138, 58, 0.45));
}
.card.locked { opacity: 0.7; }
.card.locked:hover { opacity: 1; }

.empty-note {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--ink-soft);
  padding: 3rem 1rem;
  font-size: 1rem;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translate(-50%, 2rem);
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  box-shadow: var(--shadow-lift);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s var(--ease), transform .35s var(--ease);
  z-index: 10;
  font-size: 0.9rem;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Import modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal[hidden] { display: none !important; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(40, 28, 18, 0.45);
  backdrop-filter: blur(3px);
  animation: fade-in .2s var(--ease);
}
.modal-card {
  position: relative;
  max-width: 480px;
  width: 100%;
  background: var(--paper);
  border: 1px solid rgba(60, 40, 20, 0.25);
  border-radius: 12px;
  padding: 1.4rem 1.5rem 1.25rem;
  box-shadow: 0 24px 48px -16px rgba(40, 28, 18, 0.55);
  animation: modal-pop .3s var(--ease);
}
/* Closing state — JS sets .closing for one frame so these animations play out,
   then it finally flips `hidden` true after the animation finishes. */
.modal.closing .modal-backdrop {
  animation: fade-out .22s var(--ease) forwards;
}
.modal.closing .modal-card {
  animation: modal-shrink .22s var(--ease) forwards;
}
.modal-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.1rem;
}
.modal-body {
  margin: 0 0 0.9rem;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink-soft);
}
.path-box {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
  background: rgba(255, 255, 255, 0.55);
  border: 1px dashed rgba(60, 40, 20, 0.3);
  border-radius: var(--radius);
  padding: 0.55rem 0.65rem;
  margin-bottom: 1rem;
  overflow: hidden;
}
.path-box code {
  flex: 1;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.78rem;
  color: var(--ink);
  word-break: break-all;
  user-select: all;
  line-height: 1.5;
}
#copy-path {
  flex-shrink: 0;
  align-self: center;
  font-size: 0.8rem;
  padding: 0.3rem 0.7rem;
}
#copy-path.copied { background: rgba(90, 138, 58, 0.15); color: var(--good); border-color: rgba(90, 138, 58, 0.4); }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes fade-out {
  from { opacity: 1; }
  to   { opacity: 0; }
}
@keyframes modal-pop {
  from { opacity: 0; transform: translateY(10px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}
@keyframes modal-shrink {
  from { opacity: 1; transform: none; }
  to   { opacity: 0; transform: translateY(6px) scale(0.97); }
}

/* ---------- Entrance animation ---------- */
.card.enter {
  animation: pop-in .5s var(--ease) both;
}
@keyframes pop-in {
  from { opacity: 0; transform: translateY(12px) scale(0.92) rotate(var(--r, 0deg)); }
  to   { opacity: 1; }
}