/* ============================================================
   鞥.tw — 一本正經的字典，被鞥攻陷
   ============================================================ */

:root {
  --chaos: 0;

  --paper:   #f4f1e8;
  --paper-2: #eae5d8;
  --ink:     #1c1a17;
  --ink-2:   #55504a;
  --ink-3:   #8a8378;
  --cinnabar:#b8362c;
  --rule:    #cdc5b4;

  --serif: "Noto Serif TC", "Noto Serif CJK TC", "Songti TC", "Source Han Serif TC",
           "PMingLiU", "MingLiU", Georgia, serif;
  --sans:  "Noto Sans TC", "PingFang TC", "Heiti TC", "Microsoft JhengHei",
           -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --maxw: 46rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:   #14120f;
    --paper-2: #1e1a16;
    --ink:     #ece5d8;
    --ink-2:   #a89f90;
    --ink-3:   #6e675c;
    --cinnabar:#e0665a;
    --rule:    #342e26;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  line-height: 1.85;
  overflow-x: hidden;
  /* 紙張纖維感 */
  background-image:
    radial-gradient(circle at 20% 30%, rgba(120,100,70,.045) 0 1px, transparent 1px),
    radial-gradient(circle at 70% 65%, rgba(120,100,70,.035) 0 1px, transparent 1px);
  background-size: 7px 7px, 11px 11px;
}

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.35rem 5rem;
  position: relative;
  z-index: 1;
}

/*
  崩壞效果只套在鞥之井這一區，不套在 main 上。原因有二：
  1. 可讀性：正文跟著歪會很難看字。周圍保持正經，崩壞才好笑。
  2. 效能：filter 會讓元素獨立成一層光柵化，套在高達數千 px 的 main 上
     成本遠高於套在一個高度有界的區塊上。
*/
#well-section {
  transform: rotate(calc(var(--chaos) * 2.2deg));
  filter: hue-rotate(calc(var(--chaos) * 26deg));
  letter-spacing: calc(var(--chaos) * 0.05em);
  transition: transform .45s ease, filter .45s ease, letter-spacing .45s ease;
  will-change: transform;
}

::selection { background: var(--cinnabar); color: var(--paper); }

a { color: var(--cinnabar); text-underline-offset: .25em; }

code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: .05em .38em;
  font-size: .88em;
}

:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

/* ─────────── 首屏 ─────────── */

.hero {
  padding: 4.5rem 0 3rem;
  text-align: center;
  position: relative;
  border-bottom: 3px double var(--rule);
}

.stamp {
  position: absolute;
  top: 2.2rem; right: 0;
  width: 3.6rem; height: 3.6rem;
  border: 3px solid var(--cinnabar);
  border-radius: 4px;
  color: var(--cinnabar);
  font-size: 1.15rem;
  line-height: 1.35;
  font-weight: 700;
  display: grid;
  place-content: center;
  transform: rotate(9deg);
  opacity: .82;
  letter-spacing: .05em;
}

.kicker {
  font-family: var(--sans);
  font-size: .78rem;
  letter-spacing: .3em;
  color: var(--ink-3);
  margin: 0 0 1.2rem;
}

.glyph {
  font-size: clamp(7rem, 34vw, 15rem);
  line-height: .95;
  margin: 0;
  font-weight: 500;
  letter-spacing: 0;
  cursor: pointer;
  user-select: none;
  transition: transform .12s ease;
}
.glyph:active { transform: scale(.93) rotate(-4deg); }

.bopomofo {
  margin: .5rem 0 1.6rem;
  font-family: var(--sans);
  font-size: 1.5rem;
  color: var(--cinnabar);
  letter-spacing: .5em;
  text-indent: .5em;
}

.tagline {
  font-size: clamp(1.3rem, 5.5vw, 2rem);
  margin: 0 0 1.8rem;
  font-weight: 600;
  letter-spacing: .04em;
}

.lede {
  font-size: 1.05rem;
  color: var(--ink-2);
  margin: 0 auto 2rem;
  max-width: 30rem;
}
.lede strong { color: var(--ink); }

.warning {
  font-family: var(--sans);
  font-size: .92rem;
  line-height: 1.9;
  border: 1px solid var(--cinnabar);
  border-left-width: 5px;
  background: color-mix(in srgb, var(--cinnabar) 7%, transparent);
  padding: .9rem 1.1rem;
  margin: 0 auto 2rem;
  max-width: 28rem;
  text-align: left;
  border-radius: 2px;
}

.scroll-hint {
  display: inline-block;
  font-family: var(--sans);
  font-size: .88rem;
  color: var(--ink-3);
  text-decoration: none;
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(6px)} }

/* ─────────── 區塊 ─────────── */

.section { padding: 3.2rem 0; border-bottom: 1px solid var(--rule); }

.sec-title {
  font-size: 1.35rem;
  margin: 0 0 .3rem;
  font-weight: 600;
  letter-spacing: .06em;
  display: flex; align-items: baseline; gap: .7rem;
}
.sec-title .num {
  font-size: .78rem;
  font-family: var(--sans);
  color: var(--paper);
  background: var(--cinnabar);
  width: 1.75rem; height: 1.75rem;
  display: inline-grid; place-content: center;
  border-radius: 50%;
  flex: none;
}

.sec-sub {
  font-family: var(--sans);
  font-size: .9rem;
  color: var(--ink-3);
  margin: 0 0 1.5rem;
}

.card {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 1.5rem 1.4rem;
}

/* ─────────── 鞥之井 ─────────── */

.well-wrap { position: relative; }

#well {
  width: 100%;
  font-family: var(--serif);
  font-size: 1.45rem;
  line-height: 1.7;
  letter-spacing: .06em;
  color: var(--ink);
  background: var(--paper-2);
  border: 2px solid var(--rule);
  border-radius: 3px;
  padding: 1rem 1.1rem;
  resize: vertical;
  word-break: break-all;
  transition: border-color .2s, box-shadow .2s;
}
#well:focus {
  outline: none;
  border-color: var(--cinnabar);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--cinnabar) 14%, transparent);
}
#well::placeholder { color: var(--ink-3); font-size: 1rem; letter-spacing: 0; }

.well-full {
  position: absolute; inset: auto 0 .6rem 0;
  text-align: center;
  font-family: var(--sans);
  font-size: .8rem;
  letter-spacing: .4em;
  color: var(--cinnabar);
  pointer-events: none;
}

.shake { animation: shake .22s cubic-bezier(.36,.07,.19,.97) both; }
@keyframes shake {
  10%,90% { transform: translateX(calc(var(--shake-px, 3px) * -1)); }
  20%,80% { transform: translateX(var(--shake-px, 3px)); }
  30%,50%,70% { transform: translateX(calc(var(--shake-px, 3px) * -1.6)); }
  40%,60% { transform: translateX(calc(var(--shake-px, 3px) * 1.6)); }
}

/* 鞥度計 */

.meter { margin: 1.5rem 0; font-family: var(--sans); }

.meter-row {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: .82rem; letter-spacing: .18em; color: var(--ink-3);
  margin-bottom: .45rem;
}
.meter-val { color: var(--cinnabar); font-weight: 700; font-size: 1rem; letter-spacing: 0; }

.meter-track {
  height: 9px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 999px;
  overflow: hidden;
}
.meter-fill {
  height: 100%; width: 0%;
  background: var(--cinnabar);
  border-radius: 999px;
  transition: width .3s ease;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .6rem;
  margin: 1.2rem 0 0;
}
.stats div {
  text-align: center;
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: .7rem .3rem;
  background: var(--paper-2);
}
.stats dt { font-size: .7rem; letter-spacing: .12em; color: var(--ink-3); }
.stats dd {
  margin: .25rem 0 0;
  font-size: 1.35rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
#statTitle { font-size: .98rem; font-family: var(--serif); color: var(--cinnabar); }

/* 按鈕 */

.btns { display: flex; flex-wrap: wrap; gap: .6rem; }

.btn {
  font-family: var(--sans);
  font-size: .92rem;
  padding: .65rem 1.15rem;
  border: 1.5px solid var(--ink);
  background: transparent;
  color: var(--ink);
  border-radius: 3px;
  cursor: pointer;
  transition: background .15s, color .15s, transform .08s;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--cinnabar); border-color: var(--cinnabar); color: #fff; }
.btn.primary:hover { filter: brightness(1.12); background: var(--cinnabar); color: #fff; }

/* ─────────── 字典條目 ─────────── */

.entry-head { display: flex; gap: 1.2rem; align-items: center; margin-bottom: 1.2rem; }

.entry-glyph {
  font-size: 4.5rem;
  line-height: 1;
  flex: none;
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: .3rem .5rem;
  background: var(--paper);
}

.entry-meta { font-family: var(--sans); font-size: .84rem; line-height: 1.75; color: var(--ink-2); }
.entry-meta p { margin: 0; }
.entry-meta b { color: var(--ink-3); font-weight: 600; margin-right: .25em; }

.defs { margin: 0; border-top: 1px solid var(--rule); padding-top: 1.1rem; }
.defs dt {
  font-weight: 700;
  color: var(--cinnabar);
  font-size: .92rem;
  letter-spacing: .08em;
  margin-top: 1rem;
}
.defs dt:first-child { margin-top: 0; }
.defs dd { margin: .25rem 0 0; font-size: 1rem; }
.defs .note { display: block; font-size: .85rem; color: var(--ink-3); margin-top: .4rem; }

.usage { margin-top: 1.6rem; border-top: 1px solid var(--rule); padding-top: 1.1rem; }
.usage-title {
  font-family: var(--sans); font-size: .8rem; letter-spacing: .2em;
  color: var(--ink-3); margin: 0 0 .7rem;
}
.usage blockquote {
  margin: 0 0 .7rem;
  padding-left: .9rem;
  border-left: 3px solid var(--rule);
  color: var(--ink-2);
}

.disclaimer-inline {
  font-family: var(--sans);
  font-size: .8rem;
  color: var(--ink-3);
  margin: 1rem 0 0;
}

/* ─────────── 翻譯機 ─────────── */

.trans { display: flex; flex-direction: column; gap: .5rem; }
.tlabel {
  font-family: var(--sans); font-size: .78rem;
  letter-spacing: .2em; color: var(--ink-3);
}
.trans textarea {
  width: 100%;
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ink);
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: .85rem 1rem;
  resize: vertical;
  word-break: break-all;
}
.trans textarea:focus { outline: none; border-color: var(--cinnabar); }
#transOut { color: var(--cinnabar); letter-spacing: .05em; }
.tarrow { text-align: center; color: var(--ink-3); font-size: 1.2rem; }
.trans .btn { align-self: flex-start; margin-top: .4rem; }

/* ─────────── 鞥運 ─────────── */

.fortune { text-align: center; }
.f-date {
  font-family: var(--sans); font-size: .78rem;
  letter-spacing: .22em; color: var(--ink-3); margin: 0 0 .8rem;
}
.f-level {
  font-size: 2.6rem; font-weight: 700; margin: 0 0 .7rem;
  color: var(--cinnabar); letter-spacing: .12em;
}
.f-text { margin: 0 0 1.2rem; font-size: 1.05rem; }
.f-advice {
  font-family: var(--sans); font-size: .88rem;
  color: var(--ink-2); margin: 0;
  border-top: 1px solid var(--rule); padding-top: .9rem;
}
.f-advice b { color: var(--cinnabar); margin-right: .3em; }

/* ─────────── 階位 ─────────── */

.ranks { list-style: none; margin: 0; padding: 0; counter-reset: r; }
.ranks li {
  display: flex; align-items: baseline; gap: .9rem;
  padding: .7rem .9rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  margin-bottom: .5rem;
  background: var(--paper-2);
  opacity: .45;
  transition: opacity .3s, border-color .3s, background .3s;
}
.ranks li.on {
  opacity: 1;
  border-color: var(--cinnabar);
  background: color-mix(in srgb, var(--cinnabar) 8%, var(--paper-2));
}
.ranks .r-need {
  font-family: var(--sans); font-size: .78rem; color: var(--ink-3);
  font-variant-numeric: tabular-nums; flex: none; width: 4.5rem;
}
.ranks .r-name { font-weight: 600; letter-spacing: .06em; flex: 1; }
.ranks .r-mark { flex: none; color: var(--cinnabar); font-size: .9rem; }

/* ─────────── 頁尾 ─────────── */

.foot { padding: 3rem 0 1rem; text-align: center; font-family: var(--sans); }
.foot-glyphs {
  font-family: var(--serif);
  color: var(--rule);
  font-size: 1.1rem;
  letter-spacing: .1em;
  word-break: break-all;
  margin: 0 0 1.5rem;
  user-select: none;
}
.foot p { margin: 0 0 .8rem; font-size: .9rem; }
.foot-note { font-size: .8rem !important; color: var(--ink-3); line-height: 1.9; }
.foot-links { font-size: .85rem !important; }
.foot-links a { margin: 0 .2em; }

/* ─────────── 鞥雨 ─────────── */

.rain {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 99;
  overflow: hidden;
}
.drop {
  position: absolute;
  top: -2em;
  font-family: var(--serif);
  color: var(--ink);
  opacity: .75;
  will-change: transform;
  animation: fall linear forwards;
}
@keyframes fall {
  to { transform: translateY(115vh) rotate(var(--spin, 180deg)); opacity: 0; }
}

/* ─────────── 成就浮層 ─────────── */

.toast {
  position: fixed;
  left: 50%;
  bottom: 2rem;
  transform: translate(-50%, 140%);
  z-index: 200;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: .95rem;
  padding: .85rem 1.5rem;
  border-radius: 999px;
  box-shadow: 0 8px 30px rgba(0,0,0,.28);
  transition: transform .4s cubic-bezier(.2,.9,.3,1.3);
  white-space: nowrap;
  max-width: 92vw;
  overflow: hidden;
  text-overflow: ellipsis;
}
.toast.show { transform: translate(-50%, 0); }

/* ─────────── 404 ─────────── */

.nf {
  min-height: 100svh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 2rem;
}
.nf-glyphs {
  font-size: clamp(2rem, 9vw, 4rem);
  line-height: 1.3;
  word-break: break-all;
  max-width: 34rem;
  margin: 0 0 2rem;
  color: var(--ink);
}
.nf p { font-family: var(--sans); color: var(--ink-2); margin: 0 0 1.4rem; }

/* ─────────── 動態減量 ─────────── */

@media (prefers-reduced-motion: reduce) {
  #well-section { transform: none !important; filter: none !important; letter-spacing: normal !important; }
  .rain { display: none; }
  .shake { animation: none; }
  .scroll-hint { animation: none; }
  * { transition-duration: .01ms !important; }
}

/* ─────────── 小螢幕 ─────────── */

@media (max-width: 30rem) {
  .stats { grid-template-columns: 1fr; }
  .stamp { top: 1rem; width: 3rem; height: 3rem; font-size: 1rem; }
  .entry-head { flex-direction: column; align-items: flex-start; }
  .btns .btn { flex: 1 1 auto; }
}

/* ════════════════════════════════════════════
   閃光彈 / 手機對照 / 新聞
   ════════════════════════════════════════════ */

/* ─────────── 閃光彈 ─────────── */

.flash {
  position: fixed; inset: 0;
  z-index: 500;
  pointer-events: none;
  background: #fff;
  opacity: 0;
  display: grid;
  place-content: center;
}
.flash-glyph {
  font-size: clamp(8rem, 45vw, 26rem);
  line-height: 1;
  color: #000;
  opacity: 0;
  transform: scale(.4);
}

/* 單次脈衝，非頻閃：亮起後即衰減，最高不到全白 */
.flash.go { animation: bang 780ms cubic-bezier(.1,.7,.2,1) forwards; }
.flash.go .flash-glyph { animation: bangGlyph 780ms cubic-bezier(.1,.7,.2,1) forwards; }

@keyframes bang {
  0%   { opacity: 0; }
  7%   { opacity: .92; }
  30%  { opacity: .55; }
  100% { opacity: 0; }
}
@keyframes bangGlyph {
  0%   { opacity: 0; transform: scale(.35); }
  10%  { opacity: .85; transform: scale(1.05); }
  45%  { opacity: .35; transform: scale(1.25); }
  100% { opacity: 0; transform: scale(1.9); }
}

@media (prefers-color-scheme: dark) {
  .flash { background: #fff8ec; }
}

.btn.bang {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
}
.btn.bang:hover { background: var(--cinnabar); color: #fff; }

.warn-sub {
  display: block;
  margin-top: .5rem;
  font-size: .82em;
  color: var(--ink-2);
  line-height: 1.7;
}

/* ─────────── 電腦使用者提示 ─────────── */

.desktop-note {
  font-family: var(--sans);
  font-size: .88rem;
  line-height: 1.85;
  color: var(--ink-2);
  background: var(--paper-2);
  border: 1px dashed var(--rule);
  border-radius: 3px;
  padding: .85rem 1rem;
  margin: 0 0 1rem;
}
.desktop-note strong { color: var(--cinnabar); }

/* ─────────── 鍵盤對照 ─────────── */

.kbcompare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 34rem) { .kbcompare { grid-template-columns: 1fr; } }

.kb {
  margin: 0;
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1rem .9rem;
  background: var(--paper-2);
}
.kb figcaption {
  font-family: var(--sans);
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--ink-3);
  margin-bottom: .8rem;
  text-align: center;
}

.keys {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .35rem;
}
.k {
  aspect-ratio: 1 / 1.15;
  display: grid;
  place-content: center;
  border: 1px solid var(--rule);
  border-radius: 5px;
  background: var(--paper);
  font-size: 1.05rem;
  color: var(--ink-2);
  box-shadow: 0 1.5px 0 var(--rule);
}
.k.hot {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
  font-weight: 700;
  background: color-mix(in srgb, var(--cinnabar) 14%, var(--paper));
  animation: pulse 1.8s ease-in-out infinite;
}
.k.del {
  border-color: var(--ink-3);
  color: var(--ink);
  font-weight: 700;
}
.k.far { opacity: .45; }

@keyframes pulse {
  0%,100% { box-shadow: 0 1.5px 0 var(--rule), 0 0 0 0 color-mix(in srgb, var(--cinnabar) 45%, transparent); }
  50%     { box-shadow: 0 1.5px 0 var(--rule), 0 0 0 7px transparent; }
}

.kb-note {
  font-family: var(--sans);
  font-size: .78rem;
  color: var(--ink-3);
  margin: .8rem 0 0;
  text-align: center;
  line-height: 1.7;
}
.dot {
  display: inline-block;
  width: .55rem; height: .55rem;
  border-radius: 50%;
  margin-right: .3em;
  vertical-align: baseline;
}
.dot.hot { background: var(--cinnabar); }
.dot.far { background: var(--ink-3); opacity: .5; }

/* ─────────── 新聞 ─────────── */

.news { list-style: none; margin: 0 0 1.6rem; padding: 0; }
.news li {
  border-left: 3px solid var(--cinnabar);
  padding: .2rem 0 .2rem 1.1rem;
  margin-bottom: 1.6rem;
}
.n-date {
  font-family: var(--sans);
  font-size: .76rem;
  letter-spacing: .16em;
  color: var(--ink-3);
  margin: 0 0 .35rem;
}
.n-quote {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: .03em;
  margin: 0 0 .45rem;
  color: var(--ink);
}
.n-src {
  font-family: var(--sans);
  font-size: .84rem;
  color: var(--ink-2);
  margin: 0;
  line-height: 1.8;
}

.empathy {
  text-align: center;
  font-size: 1.2rem;
  line-height: 2;
  letter-spacing: .05em;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 1.5rem 0;
  margin: 0;
}
.empathy strong { color: var(--cinnabar); }

/* ─────────── 動態減量（覆蓋以上新增效果） ─────────── */

@media (prefers-reduced-motion: reduce) {
  .flash { display: none !important; }
  .k.hot { animation: none; }
}