/* ============ 书桌与构筑台 ============ */
:root {
  --desk: #15110d;
  --desk-2: #211a13;
  --wood: #2b2219;
  --wood-edge: #3a2e22;
  --paper: #f1e9d6;
  --paper-2: #e7dcc3;
  --manila: #c8b081;
  --manila-dark: #a98f5e;
  --ink: #231c15;
  --ink-soft: #54473a;
  --ink-mute: #85765f;
  --rule: rgba(35, 28, 21, .16);
  --vermilion: #a3291f;
  --vermilion-hi: #c23b2e;
  --blue-ink: #2b4a6f;
  --brass: #b9955b;
  --brass-dim: #8c7146;
  --text-on-desk: #e9dfc8;
  --muted-on-desk: #a6977c;
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --type: "Special Elite", "Courier New", "Courier", monospace;
  --brush: "Ma Shan Zheng", "STKaiti", "KaiTi", "Kaiti SC", serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--serif);
  color: var(--text-on-desk);
  background-color: var(--desk);
  background-image:
    radial-gradient(ellipse 80% 55% at 50% -5%, rgba(255, 210, 140, .13), transparent 70%),
    repeating-linear-gradient(92deg, rgba(255, 255, 255, .012) 0 2px, transparent 2px 9px),
    linear-gradient(180deg, var(--desk-2), var(--desk));
  background-attachment: fixed;
  line-height: 1.7;
}
.lamp {
  position: fixed; inset: 0 0 auto 0; height: 60vh; pointer-events: none; z-index: 0;
  background: radial-gradient(ellipse 45% 70% at 58% 0%, rgba(255, 196, 120, .10), transparent 70%);
}
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }

/* ---------- 刊头 ---------- */
.masthead {
  position: relative; z-index: 1;
  max-width: 1480px; margin: 0 auto; padding: 34px 28px 20px;
  display: flex; align-items: flex-end; justify-content: space-between; gap: 24px;
  border-bottom: 1px solid rgba(185, 149, 91, .25);
}
.eyebrow { font-family: var(--type); letter-spacing: .22em; font-size: 12px; color: var(--brass); }
.masthead h1 {
  margin: 4px 0 2px; font-weight: 900; font-size: clamp(30px, 4.4vw, 52px);
  letter-spacing: .14em; line-height: 1.15; color: var(--paper);
  text-shadow: 0 2px 0 rgba(0, 0, 0, .4);
}
.tagline { margin: 0; color: var(--muted-on-desk); font-size: 14px; letter-spacing: .08em; }
.case-stamp {
  display: grid; justify-items: center; padding: 8px 16px 6px;
  border: 3px double var(--vermilion-hi); color: var(--vermilion-hi);
  transform: rotate(-4deg); border-radius: 4px; min-width: 150px;
  mix-blend-mode: screen; opacity: .9;
}
.case-stamp-label { font-size: 12px; letter-spacing: .4em; }
.case-stamp-no { font-family: var(--type); font-size: 24px; letter-spacing: .08em; }

/* ---------- 版面 ---------- */
.desk {
  position: relative; z-index: 1;
  max-width: 1480px; margin: 0 auto; padding: 26px 28px 40px;
  display: grid; grid-template-columns: 360px minmax(0, 1fr); gap: 28px; align-items: start;
}
@media (max-width: 1020px) {
  .desk { grid-template-columns: minmax(0, 1fr); padding: 18px 16px 32px; }
  .masthead { padding: 24px 16px 16px; flex-wrap: wrap; }
}

/* ---------- 构筑台（木制抽屉柜） ---------- */
.bench {
  position: sticky; top: 16px;
  max-height: calc(100vh - 32px); overflow-y: auto;
  background: linear-gradient(180deg, var(--wood), #241c14);
  border: 1px solid var(--wood-edge);
  border-radius: 6px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, .45), inset 0 1px 0 rgba(255, 255, 255, .05);
  padding: 6px 0 0;
  scrollbar-width: thin; scrollbar-color: var(--brass-dim) transparent;
}
@media (max-width: 1020px) { .bench { position: static; max-height: none; } }
.drawer { padding: 14px 18px 16px; border-bottom: 1px solid rgba(0, 0, 0, .35); box-shadow: 0 1px 0 rgba(255, 255, 255, .04); }
.drawer-title {
  margin: 0 0 10px; font-size: 15px; font-weight: 600; letter-spacing: .12em; color: var(--paper);
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.drawer-title span {
  display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%;
  font-size: 12px; color: var(--desk); background: radial-gradient(circle at 35% 30%, #e4c78f, var(--brass) 60%, var(--brass-dim));
  box-shadow: 0 1px 2px rgba(0, 0, 0, .5);
}
.drawer-title small { font-size: 12px; font-weight: 400; color: var(--muted-on-desk); letter-spacing: .04em; }
.hint { margin: 6px 0 0; font-size: 12px; color: var(--muted-on-desk); }

.seed-row { display: flex; gap: 8px; }
.seed-input {
  flex: 1; min-width: 0; padding: 8px 12px; border-radius: 4px;
  font-family: var(--type); font-size: 18px; letter-spacing: .12em; text-transform: uppercase;
  background: var(--paper); color: var(--ink); border: 1px solid var(--manila-dark);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, .18);
}

.btn-ghost {
  padding: 7px 12px; border-radius: 4px; font-size: 13px; letter-spacing: .06em;
  background: transparent; color: var(--text-on-desk); border: 1px solid rgba(185, 149, 91, .45);
  transition: background .15s, border-color .15s;
}
.btn-ghost:hover { background: rgba(185, 149, 91, .14); border-color: var(--brass); }
.btn-ghost.small { padding: 3px 10px; font-size: 12px; }

/* 构筑要素 */
.slots { display: grid; gap: 8px; }
.slot { display: grid; grid-template-columns: 62px minmax(0, 1fr) 34px; gap: 8px; align-items: center; }
.slot-label { font-size: 13px; color: var(--muted-on-desk); letter-spacing: .08em; }
.slot select {
  width: 100%; min-width: 0; padding: 7px 28px 7px 10px; border-radius: 4px; font-size: 14px;
  background: #1a140f url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23b9955b'/%3E%3C/svg%3E") no-repeat right 10px center;
  border: 1px solid rgba(185, 149, 91, .3); appearance: none; -webkit-appearance: none;
}
.slot select:hover { border-color: rgba(185, 149, 91, .6); }
.slot.locked select { border-color: var(--vermilion-hi); background-color: #2a1512; }
.slot-result { grid-column: 2 / 4; margin-top: -4px; font-size: 12px; color: var(--muted-on-desk); min-height: 1em; }
.lock-btn {
  width: 34px; height: 34px; border-radius: 4px; display: grid; place-items: center;
  background: transparent; border: 1px solid rgba(185, 149, 91, .3); color: var(--muted-on-desk);
}
.lock-btn svg { width: 16px; height: 16px; }
.lock-btn[aria-pressed="true"] { color: #fff; background: var(--vermilion); border-color: var(--vermilion-hi); }

/* 诡计类别 chips */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  padding: 4px 10px; border-radius: 3px; font-size: 13px; letter-spacing: .04em;
  border: 1px solid rgba(185, 149, 91, .4); background: transparent; color: var(--muted-on-desk);
  transition: all .15s;
}
.chip[aria-pressed="true"] { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.chip:hover { border-color: var(--brass); }

/* 风味药柜 */
.flavor-tools { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.mini { font-size: 12px; color: var(--muted-on-desk); display: flex; align-items: center; gap: 6px; }
.mini select { padding: 3px 6px; border-radius: 3px; background: #1a140f; border: 1px solid rgba(185, 149, 91, .3); font-size: 12px; }
.cabinet { display: grid; gap: 10px; }
.shelf { border: 1px solid rgba(0, 0, 0, .4); border-radius: 4px; padding: 8px 10px 10px; background: rgba(0, 0, 0, .16); }
.shelf-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.shelf-name { font-size: 13px; color: var(--paper); letter-spacing: .1em; }
.shelf-en { font-family: var(--type); font-size: 10px; color: var(--brass-dim); letter-spacing: .14em; }
.vial {
  position: relative; padding: 3px 9px 3px 18px; border-radius: 12px; font-size: 12.5px;
  border: 1px solid rgba(185, 149, 91, .28); background: transparent; color: var(--text-on-desk);
  margin: 0 4px 5px 0;
}
.vial::before {
  content: ""; position: absolute; left: 7px; top: 50%; width: 6px; height: 6px; margin-top: -3px;
  border-radius: 50%; border: 1px solid var(--brass-dim);
}
.vial[aria-pressed="true"] { background: rgba(163, 41, 31, .25); border-color: var(--vermilion-hi); }
.vial[aria-pressed="true"]::before { background: var(--vermilion-hi); border-color: var(--vermilion-hi); }
.vial.auto { border-style: dashed; border-color: var(--brass); }
.vial.auto::before { background: var(--brass); }
.vial:hover { border-color: var(--brass); }

/* 开关 */
.toggle { display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px; margin: 6px 0; cursor: pointer; }
.toggle input { appearance: none; -webkit-appearance: none; flex: none; width: 16px; height: 16px; margin-top: 4px; border: 1px solid var(--brass); border-radius: 2px; background: transparent; display: grid; place-items: center; }
.toggle input:checked { background: var(--brass); }
.toggle input:checked::after { content: ""; width: 8px; height: 4px; border: 2px solid var(--desk); border-top: 0; border-right: 0; transform: rotate(-45deg) translate(1px, -1px); }

/* 火漆印按钮 */
.bench-actions {
  position: sticky; bottom: 0; display: flex; align-items: center; gap: 16px;
  padding: 16px 18px; background: linear-gradient(180deg, rgba(36, 28, 20, .7), #1d1610 40%);
  border-top: 1px solid rgba(0, 0, 0, .4);
}
.bench-actions-side { display: grid; gap: 8px; flex: 1; }
.seal-btn {
  flex: none; width: 92px; height: 92px; border-radius: 50%; border: 0; position: relative;
  background: radial-gradient(circle at 38% 32%, #d4554a, var(--vermilion) 52%, #6e1712 100%);
  box-shadow: 0 0 0 4px rgba(110, 23, 18, .55), 0 0 0 7px rgba(163, 41, 31, .2), 0 8px 16px rgba(0, 0, 0, .5), inset 0 -4px 8px rgba(0, 0, 0, .35);
  color: #f7e6d8; font-family: var(--brush); font-size: 22px; line-height: 1.05;
  transition: transform .12s ease;
}
.seal-btn::after { content: ""; position: absolute; inset: 10px; border-radius: 50%; border: 1.5px dashed rgba(247, 230, 216, .45); }
.seal-btn:hover { transform: rotate(-6deg) scale(1.03); }
.seal-btn:active { transform: scale(.95); }
.seal-btn.pressing { animation: stamp .45s ease; }
@keyframes stamp { 0% { transform: scale(1); } 35% { transform: scale(.86) rotate(-8deg); } 100% { transform: scale(1); } }

/* ---------- 卷宗夹 ---------- */
.dossier-wrap { min-width: 0; }
.folder-tabs { display: flex; gap: 4px; padding-left: 18px; overflow-x: auto; }
.folder-tab {
  padding: 9px 22px 7px; border: 0; border-radius: 8px 8px 0 0; font-size: 14px; letter-spacing: .14em;
  background: var(--manila-dark); color: rgba(35, 28, 21, .75); white-space: nowrap;
  box-shadow: inset 0 -6px 8px -6px rgba(0, 0, 0, .35);
}
.folder-tab.active { background: var(--manila); color: var(--ink); font-weight: 600; box-shadow: none; }
.dossier {
  background: var(--manila);
  background-image: radial-gradient(ellipse at 20% 0%, rgba(255, 255, 255, .18), transparent 60%);
  border-radius: 0 6px 6px 6px; padding: 22px;
  box-shadow: 0 24px 50px rgba(0, 0, 0, .5);
}
@media (max-width: 640px) { .dossier { padding: 10px; } }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.paper-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; margin: -6px 0 12px; }
.btn-ink {
  padding: 5px 12px; font-size: 13px; border-radius: 3px; letter-spacing: .06em;
  background: rgba(35, 28, 21, .08); color: var(--ink); border: 1px solid rgba(35, 28, 21, .35);
}
.btn-ink:hover { background: rgba(35, 28, 21, .16); }

.colophon {
  position: relative; z-index: 1; text-align: center; font-size: 12px; color: var(--muted-on-desk);
  padding: 8px 16px 32px; letter-spacing: .08em;
}

.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); opacity: 0;
  padding: 8px 18px; background: var(--paper); color: var(--ink); border-radius: 3px;
  font-size: 14px; box-shadow: 0 8px 20px rgba(0, 0, 0, .5); transition: all .25s; pointer-events: none; z-index: 50;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 语言切换 ---------- */
.masthead-right { display: flex; flex-direction: column; align-items: flex-end; gap: 14px; }
.lang-switch { display: inline-flex; border: 1px solid rgba(185, 149, 91, .5); border-radius: 3px; overflow: hidden; }
.lang-switch button { padding: 4px 12px; background: transparent; border: 0; color: var(--muted-on-desk); font-size: 13px; letter-spacing: .06em; }
.lang-switch button + button { border-left: 1px solid rgba(185, 149, 91, .5); }
.lang-switch button[aria-pressed="true"] { background: var(--brass); color: var(--desk); font-weight: 600; }
@media (max-width: 1020px) { .masthead-right { flex-direction: row-reverse; align-items: center; } }

/* ---------- English：拉丁字体与字距 ---------- */
html[lang="en"] {
  --serif: "EB Garamond", "Noto Serif SC", Georgia, "Times New Roman", serif;
  --brush: "IM Fell English SC", "EB Garamond", Georgia, serif;
}
html[lang="en"] body { font-size: 17px; }
html[lang="en"] .masthead h1 { letter-spacing: .02em; font-size: clamp(28px, 3.8vw, 48px); }
html[lang="en"] .tagline, html[lang="en"] .drawer-title, html[lang="en"] .slot-label,
html[lang="en"] .folder-tab, html[lang="en"] .shelf-name, html[lang="en"] .colophon { letter-spacing: .02em; }
html[lang="en"] .slot { grid-template-columns: 82px minmax(0, 1fr) 34px; }
html[lang="en"] .seal-btn { font-size: 16px; line-height: 1.1; }
html[lang="en"] .case-stamp-label { letter-spacing: .12em; }
.drawer-title b { font-weight: inherit; }