/* ══════════════════════════════════════════════════════════════
   emoji 融合工坊 — 白金配色 · 温馨自然 · 高贵感
   ══════════════════════════════════════════════════════════════ */

:root {
  /* 纸与瓷 */
  --ivory:        #FBF8F1;
  --ivory-deep:   #F5EFE2;
  --paper:        #FFFDF8;
  --paper-warm:   #FCF8EF;
  --platinum:     #EFEDE9;
  --platinum-2:   #DCD9D3;

  /* 金 */
  --gold:         #C6A253;
  --gold-light:   #E6CE8C;
  --gold-pale:    #F2E6C6;
  --gold-deep:    #A2803A;

  /* 墨 */
  --ink:          #3A342C;
  --ink-2:        #6C6456;
  --ink-3:        #9C9384;

  /* 线 */
  --line:         #E8DDC6;
  --line-soft:    #F0E9DA;
  --line-plat:    #E4E2DD;

  --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun",
           Georgia, "Times New Roman", serif;
  --sans:  "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
           system-ui, -apple-system, "Segoe UI", sans-serif;

  --r-lg: 18px;
  --r-md: 12px;
  --r-sm: 9px;

  --shadow-1: 0 1px 2px rgba(58, 52, 44, .035), 0 10px 30px -20px rgba(58, 52, 44, .22);
  --shadow-2: 0 2px 4px rgba(58, 52, 44, .05), 0 22px 48px -26px rgba(58, 52, 44, .30);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font: 15px/1.7 var(--sans);
  background:
    radial-gradient(1100px 620px at 50% -8%, #FFFDF7 0%, rgba(255, 253, 247, 0) 62%),
    radial-gradient(760px 520px at 8% 12%, #FDF6E7 0%, rgba(253, 246, 231, 0) 55%),
    radial-gradient(820px 560px at 96% 30%, #F7F5F0 0%, rgba(247, 245, 240, 0) 58%),
    linear-gradient(180deg, var(--ivory) 0%, var(--ivory-deep) 100%);
  background-attachment: fixed;
}

/* 极细的织物纹理，只作暗示 */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .5;
  background-image:
    repeating-linear-gradient(0deg, rgba(198, 162, 83, .055) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg, rgba(58, 52, 44, .028) 0 1px, transparent 1px 4px);
  mask-image: radial-gradient(120% 100% at 50% 0%, #000 35%, transparent 88%);
  -webkit-mask-image: radial-gradient(120% 100% at 50% 0%, #000 35%, transparent 88%);
}

main, header, footer { position: relative; z-index: 1; }

/* ── 报头 ───────────────────────────────────────────────── */
.masthead {
  padding: 54px 24px 10px;
  text-align: center;
}
.masthead h1 {
  margin: 18px 0 10px;
  font: 400 clamp(30px, 4.6vw, 46px)/1.15 var(--serif);
  letter-spacing: .16em;
  color: var(--ink);
  text-indent: .16em;
}
.lede {
  margin: 0 0 18px;
  color: var(--ink-2);
  font: 400 clamp(13px, 1.5vw, 15px)/1.7 var(--serif);
  letter-spacing: .1em;
}
.rule {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  max-width: 620px;
  margin: 0 auto;
  color: var(--gold);
  font-size: 9px;
}
.rule::before, .rule::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 18%, var(--line) 82%, transparent);
}
.rule.small { max-width: 320px; margin: 0 auto 14px; }

/* ── 骨架 ───────────────────────────────────────────────── */
.shell {
  max-width: 1300px;
  margin: 0 auto;
  padding: 26px 24px 40px;
  display: grid;
  gap: 22px;
}

.panel {
  position: relative;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-warm) 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-1);
}

.panel-title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  font: 400 12px/1 var(--sans);
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.panel-title::before {
  content: "◆";
  font-size: 7px;
  color: var(--gold);
}
.panel-title .sub {
  letter-spacing: .06em;
  text-transform: none;
  font-size: 11.5px;
  color: var(--ink-3);
  opacity: .85;
}

/* ── 素材选择 ───────────────────────────────────────────── */
.picker-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 18px;
}

.picker { padding: 20px 20px 16px; }

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}
.panel-head h2 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font: 400 17px/1 var(--serif);
  letter-spacing: .2em;
  color: var(--ink);
}
.tag {
  display: inline-grid;
  place-items: center;
  width: 24px; height: 24px;
  border: 1px solid var(--gold);
  border-radius: 7px;
  color: var(--gold-deep);
  font: 400 12px/1 var(--serif);
  letter-spacing: 0;
  background: linear-gradient(180deg, #FFFDF6, #F7EFDC);
}

.medallion {
  display: grid;
  place-items: center;
  width: 62px; height: 62px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 28%, #FFFFFF, #F6F0E2 70%, #EFE6D3);
  border: 1px solid var(--line);
  box-shadow: inset 0 2px 6px rgba(58, 52, 44, .07), 0 6px 16px -12px rgba(58, 52, 44, .4);
}
.medallion img { width: 40px; height: 40px; display: block; }
.medallion .placeholder { color: var(--ink-3); font: 400 22px/1 var(--serif); }

.field { position: relative; margin-bottom: 12px; }
.field input {
  width: 100%;
  padding: 9px 30px 9px 2px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font: 400 13.5px/1.5 var(--sans);
  transition: border-color .22s var(--ease);
}
.field input::placeholder { color: var(--ink-3); }
.field input:focus {
  outline: none;
  border-bottom-color: var(--gold);
}
.field input::-webkit-search-cancel-button { display: none; }
.field-clear {
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-60%);
  width: 22px; height: 22px;
  border: 0; border-radius: 50%;
  background: transparent;
  color: var(--ink-3);
  font-size: 16px; line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: opacity .2s var(--ease), color .2s var(--ease);
}
.field.filled .field-clear { opacity: 1; }
.field-clear:hover { color: var(--gold-deep); }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.chip {
  padding: 4px 11px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, .6);
  color: var(--ink-2);
  font: 400 12px/1.6 var(--sans);
  letter-spacing: .04em;
  cursor: pointer;
  transition: all .2s var(--ease);
}
.chip:hover { border-color: var(--gold-light); color: var(--ink); }
.chip.active {
  border-color: var(--gold);
  background: linear-gradient(180deg, #FFFCF3, #F8F0DC);
  color: var(--gold-deep);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
  gap: 5px;
  max-height: 292px;
  overflow-y: auto;
  padding: 4px 6px 4px 4px;
  border-radius: var(--r-md);
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.grid::-webkit-scrollbar { width: 8px; }
.grid::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 8px;
  border: 2px solid transparent;
  background-clip: content-box;
}
.grid:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 2px; }

.cell {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  padding: 5px;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  cursor: pointer;
  transition: transform .18s var(--ease), border-color .18s var(--ease),
              background .18s var(--ease), box-shadow .18s var(--ease);
}
.cell img { width: 100%; height: 100%; display: block; pointer-events: none; }
.cell:hover {
  transform: translateY(-2px);
  background: #FFFFFF;
  border-color: var(--line);
  box-shadow: 0 6px 14px -10px rgba(58, 52, 44, .5);
}
.cell.active {
  border-color: var(--gold);
  background: linear-gradient(180deg, #FFFDF6, #F8F1DF);
  box-shadow: 0 0 0 3px rgba(198, 162, 83, .13), inset 0 1px 0 #fff;
}
.hint {
  margin: 10px 0 0;
  min-height: 1em;
  color: var(--ink-3);
  font-size: 11.5px;
  letter-spacing: .04em;
}

/* 中间的金环 */
.fusion-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 54px; height: 54px;
  flex: 0 0 auto;
}
.fm-ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #FFFDF7, #F4ECDA);
  box-shadow: inset 0 1px 3px rgba(58, 52, 44, .08);
}
.fm-glyph {
  position: relative;
  color: var(--gold);
  font-size: 20px;
  line-height: 1;
}

/* ── 融合台 ─────────────────────────────────────────────── */
.stage-row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(330px, .9fr);
  gap: 22px;
  align-items: start;
}

.stage { padding: 26px 26px 20px; }

.frame {
  position: relative;
  padding: 16px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 34%, #FFFEFB 0%, #FAF5E9 68%, #F3EBDA 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .7), inset 0 10px 30px -18px rgba(58, 52, 44, .35);
}
.frame::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(198, 162, 83, .34);
  border-radius: 12px;
  pointer-events: none;
}
#canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}
.corner {
  position: absolute;
  width: 16px; height: 16px;
  border: 0 solid var(--gold);
  pointer-events: none;
}
.corner.tl { top: 3px;    left: 3px;    border-top-width: 2px; border-left-width: 2px;  border-top-left-radius: 6px; }
.corner.tr { top: 3px;    right: 3px;   border-top-width: 2px; border-right-width: 2px; border-top-right-radius: 6px; }
.corner.bl { bottom: 3px; left: 3px;    border-bottom-width: 2px; border-left-width: 2px;  border-bottom-left-radius: 6px; }
.corner.br { bottom: 3px; right: 3px;   border-bottom-width: 2px; border-right-width: 2px; border-bottom-right-radius: 6px; }

.caption {
  margin: 16px 2px 14px;
  min-height: 2.9em;
  color: var(--ink-2);
  font: 400 13px/1.7 var(--serif);
  letter-spacing: .05em;
}
.caption b { color: var(--gold-deep); font-weight: 400; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.btn {
  padding: 9px 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #FFFFFF, #FBF7EE);
  color: var(--ink);
  font: 400 13px/1 var(--sans);
  letter-spacing: .06em;
  cursor: pointer;
  transition: all .2s var(--ease);
}
.btn:hover {
  border-color: var(--gold-light);
  box-shadow: 0 8px 18px -14px rgba(58, 52, 44, .6);
  transform: translateY(-1px);
}
.btn:active { transform: translateY(0); }
.btn.primary {
  border-color: var(--gold-deep);
  background: linear-gradient(180deg, var(--gold-light) 0%, var(--gold) 55%, var(--gold-deep) 100%);
  color: #2E2415;
  font-weight: 500;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .5) inset, 0 12px 24px -16px rgba(162, 128, 58, .9);
}
.btn.primary:hover { filter: brightness(1.04); }

.status {
  margin: 12px 2px 0;
  min-height: 1.2em;
  color: var(--gold-deep);
  font-size: 11.5px;
  letter-spacing: .05em;
}

/* ── 控制 ───────────────────────────────────────────────── */
.controls { padding: 24px 22px 20px; }
.controls .panel-title:not(:first-child) { margin-top: 22px; }

/* 位置与大小全自动，已经没有滑块控件；这里只保留开关与下拉 */

.switches { display: grid; gap: 10px; }
.switch {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch .track {
  position: relative;
  width: 34px; height: 19px;
  flex: 0 0 auto;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #F6F2E8, #EFE9DA);
  transition: all .22s var(--ease);
}
.switch .track::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, #FFFFFF, #EFE7D3);
  border: 1px solid var(--line-plat);
  transition: transform .22s var(--ease), background .22s var(--ease);
}
.switch input:checked + .track {
  border-color: var(--gold);
  background: linear-gradient(180deg, #F6E7BF, #EAD49A);
}
.switch input:checked + .track::after {
  transform: translateX(15px);
  border-color: var(--gold-deep);
  background: radial-gradient(circle at 34% 30%, #FFFFFF, #FBF3DE);
}
.switch input:focus-visible + .track { outline: 2px solid var(--gold-light); outline-offset: 2px; }
.switch .label { color: var(--ink-2); font-size: 12.5px; letter-spacing: .05em; }
.switch.hidden { display: none; }

.select-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.select-row .label { color: var(--ink-2); font-size: 12.5px; letter-spacing: .05em; }
select {
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #FFFFFF, #FBF7EE);
  color: var(--ink);
  font: 400 12.5px/1.4 var(--sans);
  cursor: pointer;
}
select:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 1px; }

/* ── 珍藏 ───────────────────────────────────────────────── */
.gallery { padding: 22px 22px 18px; }
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
  gap: 10px;
}
.tile {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: radial-gradient(circle at 40% 30%, #FFFFFF, #F7F2E6);
  cursor: pointer;
  transition: all .2s var(--ease);
}
.tile img { width: 100%; height: 100%; object-fit: contain; }
.tile:hover { transform: translateY(-2px); box-shadow: var(--shadow-1); border-color: var(--gold-light); }
.tile .remove {
  position: absolute;
  top: -6px; right: -6px;
  width: 20px; height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-3);
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: opacity .18s var(--ease), color .18s var(--ease);
}
.tile:hover .remove { opacity: 1; }
.tile .remove:hover { color: #A2442F; border-color: #E0B9AE; }
.empty { margin: 4px 0 0; color: var(--ink-3); font-size: 12.5px; letter-spacing: .04em; }
.empty.hidden { display: none; }

/* ── 页脚 ───────────────────────────────────────────────── */
.colophon {
  padding: 8px 24px 56px;
  text-align: center;
  color: var(--ink-3);
  font-size: 11.5px;
  line-height: 1.9;
  letter-spacing: .04em;
}
.colophon strong { color: var(--ink-2); font-weight: 500; }
.colophon .fine { max-width: 620px; margin: 6px auto 0; opacity: .82; font-size: 11px; }

/* ── 取图模式：?view=canvas 只看成品 ───────────────────── */
body.canvas-only { background: #FFFFFF; }
body.canvas-only .grain,
body.canvas-only .masthead,
body.canvas-only .picker-row,
body.canvas-only .controls,
body.canvas-only .gallery,
body.canvas-only .caption,
body.canvas-only .actions,
body.canvas-only .status,
body.canvas-only .colophon { display: none !important; }
body.canvas-only .shell { max-width: 1040px; padding: 8px; }
body.canvas-only .stage-row { grid-template-columns: 1fr; }
body.canvas-only .stage {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
}
body.canvas-only .frame { padding: 8px; }

/* ── 焦点与动效 ─────────────────────────────────────────── */
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ── 响应式 ─────────────────────────────────────────────── */
@media (max-width: 1080px) {
  .stage-row { grid-template-columns: 1fr; }
  .grid { max-height: 246px; }
}
@media (max-width: 860px) {
  .picker-row { grid-template-columns: 1fr; }
  .fusion-mark { justify-self: center; transform: rotate(90deg); }
}
@media (max-width: 560px) {
  .masthead { padding-top: 38px; }
  .shell { padding: 18px 14px 30px; }
  .stage, .controls, .picker { padding: 18px 15px 15px; }
  .modes { grid-template-columns: 1fr; }
  .mode:last-child:nth-child(odd) { grid-column: auto; }
  .tiles { grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); }
}