/* 文府匿名版投稿站｜主題：深青檔案室
   深青／墨藍、細格線、柔和光暈，配合新的 post-bg.jpg */
:root {
  --rust: #0F766E;
  --terra: #115E59;
  --caramel: #14B8A6;
  --peach: #2DD4BF;
  --apricot: #99F6E4;
  --cream: #E6F4F1;
  --paper: #F7FBFA;
  --ink: #0B1F1C;
  --ink-soft: #3F5F5A;
  --line: #BFE3DD;
  --serif: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --sans: "Noto Sans TC", system-ui, -apple-system, "PingFang TC", "Microsoft JhengHei", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: var(--sans); color: var(--ink); background: var(--cream); line-height: 1.6; min-height: 100vh; }
button, input, textarea { font: inherit; }
:focus-visible { outline: 2px solid var(--rust); outline-offset: 2px; }
[hidden] { display: none !important; }

.haze {
  background:
    repeating-linear-gradient(0deg, rgba(148, 163, 184, .04) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(90deg, rgba(148, 163, 184, .04) 0 1px, transparent 1px 72px),
    radial-gradient(60% 50% at 8% 18%, rgba(45, 212, 191, .20), transparent 70%),
    radial-gradient(55% 50% at 95% 85%, rgba(99, 102, 241, .18), transparent 70%),
    linear-gradient(160deg, #06121a 0%, #0a1f2b 48%, #0d2f33 100%);
  background-attachment: fixed;
}
.soft {
  background:
    repeating-linear-gradient(0deg, rgba(148, 163, 184, .035) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(90deg, rgba(148, 163, 184, .035) 0 1px, transparent 1px 72px),
    radial-gradient(70% 50% at 0% 0%, rgba(45, 212, 191, .10), transparent 70%),
    radial-gradient(60% 50% at 100% 100%, rgba(99, 102, 241, .08), transparent 70%),
    var(--cream);
  background-attachment: fixed;
}

.nav { display: flex; justify-content: space-between; align-items: center; padding: 18px 28px; font-size: 14px; }
.logo { font-family: var(--serif); font-weight: 900; font-size: 18px; letter-spacing: .04em; color: inherit; text-decoration: none; }
.nav nav { display: flex; gap: 18px; }
.nav nav a { color: inherit; text-decoration: none; opacity: .85; }
.nav nav a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 4px; }

.pill { display: inline-block; font-family: var(--sans); font-size: 15px; font-weight: 700; border-radius: 999px; padding: 13px 26px; cursor: pointer; border: 1.5px solid var(--cream); text-decoration: none; text-align: center; }
.pill.solid { background: var(--cream); color: var(--rust); }
.pill.ghost { background: transparent; color: #fff; }
.pill.rust { background: var(--rust); color: #fff; border-color: var(--rust); }
.pill.plain { background: #fff; color: var(--rust); border-color: var(--apricot); }
.pill.text { background: transparent; color: var(--ink-soft); border-color: transparent; }
.pill:disabled { opacity: .6; cursor: progress; }

/* IG 投稿圖（與 image_utils.py 同比例：1080×1350、左右 80、上下 100） */
.post { position: relative; overflow: hidden; aspect-ratio: 4 / 5; width: 100%; background: var(--terra) url("post-bg.jpg") center / cover no-repeat; container-type: inline-size; }
.post .p-head {
  position: absolute; left: 11.11%; right: 11.11%; top: 18.4%;
  display: flex; flex-direction: column; gap: 1px; color: #1F2430;
}
.post .p-head b { font-family: var(--sans); font-weight: 700; font-size: clamp(11px, 5cqw, 22px); letter-spacing: .01em; }
.post .p-head span { color: #4C566A; font-family: var(--mono); font-size: clamp(8px, 2.6cqw, 12px); }
.post.has-head .t { inset: 29.9% 11.11% 17.04% 11.11%; align-items: flex-start; }
.post .t {
  position: absolute; inset: 17.78% 11.11% 17.04% 11.11%; display: flex; align-items: center; justify-content: flex-start;
  text-align: left; white-space: pre-wrap; word-break: break-all; color: #2E3440;
  font-family: var(--sans); font-weight: 700; line-height: 1.6; padding: 0;
}

/* 首頁 */
.home { min-height: 100vh; color: #fff; display: flex; flex-direction: column; }
.hero { flex: 1; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 24px; padding: 12px 56px 48px; max-width: 1200px; width: 100%; margin: 0 auto; }
.hero h1 { font-family: var(--serif); font-weight: 900; font-size: clamp(38px, 6vw, 60px); line-height: 1.22; margin: 0; letter-spacing: .03em; text-wrap: balance; text-shadow: 0 2px 24px rgba(3, 20, 24, .40); }
.hero p { font-size: 16px; opacity: .92; max-width: 26em; margin: 18px 0 28px; }
.btns { display: flex; gap: 12px; flex-wrap: wrap; }
.sample { justify-self: center; width: min(300px, 100%); border-radius: 6px; box-shadow: 0 24px 60px rgba(3, 20, 24, .45); transform: rotate(4deg); }
.trust { font-size: 12.5px; padding: 0 56px 26px; color: rgba(230, 244, 241, .62); text-align: right; }

/* 投稿頁 */
.page { min-height: 100vh; }
.submit-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; padding: 8px 48px 56px; align-items: start; max-width: 1180px; margin: 0 auto; }
.h { font-family: var(--serif); font-weight: 900; font-size: 32px; margin: 6px 0 4px; letter-spacing: .03em; }
.sub { font-size: 14px; color: var(--ink-soft); margin: 0 0 18px; }
.card { background: var(--paper); border: 1px solid var(--apricot); border-radius: 18px; padding: 22px; display: grid; gap: 14px; box-shadow: 0 10px 30px rgba(4, 30, 34, .10); }
.card label { font-weight: 700; font-size: 14px; display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.card label small { font-weight: 400; color: var(--ink-soft); }
.card textarea, .card input[type=text] { width: 100%; font-size: 16px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; resize: vertical; }
.card textarea { min-height: 190px; font-family: var(--serif); font-size: 17px; line-height: 1.7; }
.count { font-family: var(--mono); font-size: 12px; color: var(--ink-soft); font-weight: 400; }
.count.over { color: #B3261E; }
.err { color: #B3261E; font-size: 14px; margin: 0; }
.turnstile:empty { display: none; }
.prev-label { font-size: 13px; color: var(--ink-soft); margin: 0 0 8px; display: flex; justify-content: space-between; gap: 8px; }
.preview { border-radius: 6px; box-shadow: 0 16px 40px rgba(4, 30, 34, .28); }
.prev-toggle { display: none; }
.done { justify-items: start; }
.done b { font-family: var(--serif); font-size: 22px; }
.code { font-family: var(--mono); font-size: 20px; font-weight: 600; letter-spacing: .06em; background: #fff; border: 1.5px solid var(--terra); color: var(--rust); border-radius: 12px; padding: 14px 16px; word-break: break-all; width: 100%; user-select: all; }
.warn { font-size: 13px; color: var(--ink-soft); background: #DDF3EE; border-radius: 10px; padding: 10px 12px; margin: 0; }
.flip { animation: flip .6s ease; }
@keyframes flip { from { transform: rotateY(80deg); opacity: .2; } to { transform: none; opacity: 1; } }

/* 查詢頁 */
.query { display: grid; place-items: center; padding: 24px 20px 56px; }
.qcard { width: min(560px, 100%); border-radius: 22px; padding: 28px; box-shadow: 0 18px 50px rgba(4, 30, 34, .14); }
.boxes { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.boxes input { width: 100%; min-width: 0; text-align: center; font-family: var(--mono); font-size: 18px; font-weight: 600; text-transform: uppercase; padding: 12px 2px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.result { border-radius: 16px; padding: 18px 20px; display: grid; gap: 6px; }
.result .big { font-family: var(--serif); font-weight: 900; font-size: 34px; letter-spacing: .05em; }
.result p { margin: 0; font-size: 14px; }
.result .meta { opacity: .75; }
.result.pending { background: #DDF3EE; color: var(--ink); }
.result.approved { background: var(--terra); color: #fff; }
.result.rejected { background: var(--ink); color: var(--cream); }
.result.not_found, .result.error { background: #fff; border: 1px dashed var(--apricot); color: var(--ink-soft); }

@media (max-width: 720px) {
  .nav { padding: 14px 16px; }
  .hero { grid-template-columns: 1fr; padding: 8px 20px 28px; }
  .sample { width: 170px; justify-self: end; margin-top: -6px; }
  .trust { padding: 0 20px 20px; text-align: left; }
  .submit-grid { grid-template-columns: 1fr; padding: 4px 16px 32px; gap: 16px; }
  .h { font-size: 26px; }
  .prev-col { display: none; }
  .prev-col.open { display: block; }
  .prev-toggle { display: block; font-size: 14px; border: 1px solid var(--apricot); background: #fff; color: var(--rust); border-radius: 12px; padding: 10px; cursor: pointer; font-weight: 700; }
  .qcard { padding: 20px; }
  .boxes { gap: 5px; }
  .boxes input { font-size: 16px; letter-spacing: 0; padding: 11px 0; }
  .query { padding: 16px 12px 40px; }
}

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

/* 投稿收據 */
.receipt { margin: 0; width: min(360px, 100%); }
.receipt img { display: block; width: 100%; aspect-ratio: 4 / 5; border-radius: 8px; box-shadow: 0 12px 32px rgba(4, 30, 34, .26); background: var(--apricot); }
.chk { display: flex !important; justify-content: flex-start !important; align-items: center; gap: 8px; font-weight: 400 !important; font-size: 14px; color: var(--ink-soft); cursor: pointer; }
.chk input { width: 18px; height: 18px; accent-color: var(--rust); }
.code { font-size: 16px; padding: 10px 14px; }

/* 查詢頁：上傳收據 */
.upload { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; border-top: 1px dashed var(--line); padding-top: 16px; }
.upload .pill { padding: 10px 20px; font-size: 14px; }
.upload-hint { font-size: 12.5px; color: var(--ink-soft); flex: 1 1 200px; }
.upload.drag { outline: 2px dashed var(--terra); outline-offset: 6px; border-radius: 12px; }
.upload-msg { margin: 0; font-size: 14px; color: var(--ink-soft); }
.upload-msg.bad { color: #B3261E; }

/* 查詢結果：退件理由、版主說明、撤回 */
.result .reasons { margin: 4px 0 0; padding-left: 1.2em; font-size: 14px; display: grid; gap: 2px; }
.result .mod-note { background: rgba(255, 255, 255, .12); border-left: 3px solid currentColor; padding: 6px 10px; border-radius: 4px; }
.result.pending .mod-note, .result.approved .mod-note { background: rgba(255, 255, 255, .5); }
.result.published { background: var(--terra); color: #fff; }
.result.withdrawing { background: #DDF3EE; color: var(--ink); }
.result.withdrawn { background: #fff; border: 1px solid var(--apricot); color: var(--ink-soft); }
.withdraw { display: grid; gap: 10px; justify-items: start; }
.withdraw p { margin: 0; font-size: 14px; color: var(--ink); }
.withdraw .pill.text { padding-left: 0; text-decoration: underline; text-underline-offset: 4px; }
.help { margin: 0; font-size: 13px; color: var(--ink-soft); }