/* ============================================================
   提示词工坊 · 深夜画廊主题
   纯色无渐变；无 emoji；就地红字报错（无 toast）
   ============================================================ */

:root {
  /* 深夜蓝黑 */
  --bg:       #0B111C;
  --bg-2:     #0E1522;
  --panel:    #121A29;
  --panel-2:  #182236;
  --panel-3:  #1E2A40;
  --line:     #243247;
  --line-soft:#1A2436;

  /* 月白文字 */
  --ink:       #E9EDF4;
  --ink-dim:   #A7B1C5;
  --ink-faint: #66738C;

  /* 琥珀强调 */
  --amber:      #E2A75E;
  --amber-hi:   #F2BE7E;
  --amber-deep: #8F6A2F;
  --amber-ink:  #241A08;

  --danger: #E0745C;
  --ok:     #8FBF9A;

  --mono: "Cascadia Code", "JetBrains Mono", Consolas, "Courier New", monospace;
  --sans: "Microsoft YaHei UI", "PingFang SC", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--amber); color: var(--amber-ink); }

.app {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px 56px;
}

button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

/* ---------- 通用按钮 ---------- */
.btn {
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 15px;
  padding: 12px 22px;
  transition: background .15s, border-color .15s, color .15s;
  white-space: nowrap;
}
.btn:disabled { opacity: .38; cursor: not-allowed; }

.btn-primary {
  background: var(--amber);
  color: var(--amber-ink);
  font-weight: 600;
}
.btn-primary:hover:not(:disabled) { background: var(--amber-hi); }

.btn-ghost {
  background: transparent;
  color: var(--ink-dim);
  border-color: var(--line);
}
.btn-ghost:hover:not(:disabled) {
  color: var(--ink);
  border-color: var(--amber);
}

.btn-back {
  background: transparent;
  border: none;
  color: var(--ink-dim);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  margin-left: -10px;
  border-radius: 8px;
}
.btn-back:hover { color: var(--ink); background: var(--panel-2); }
.btn-back svg { width: 16px; height: 16px; }

.link-random {
  background: none;
  border: none;
  color: var(--ink-faint);
  font-size: 13px;
  text-decoration: underline dotted 1px;
  text-underline-offset: 4px;
  padding: 4px 2px;
}
.link-random:hover { color: var(--amber); }

/* ---------- 激活门禁 ---------- */
.gate-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
}
.gate {
  width: 100%;
  max-width: 440px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 44px 40px 36px;
  text-align: center;
}
.gate .wordmark {
  font-size: 12px;
  letter-spacing: .5em;
  color: var(--amber);
  margin-bottom: 18px;
  text-transform: uppercase;
}
.gate h1 { font-size: 30px; font-weight: 600; letter-spacing: .12em; margin-bottom: 10px; }
.gate .gate-sub { color: var(--ink-dim); font-size: 14px; margin-bottom: 32px; }
.gate input {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 15px;
  padding: 13px 16px;
  border-radius: 12px;
  outline: none;
  letter-spacing: .08em;
  text-align: center;
  transition: border-color .15s;
}
.gate input:focus { border-color: var(--amber); }
.gate .btn { width: 100%; margin-top: 16px; }
.gate .err {
  color: var(--danger);
  font-size: 13px;
  min-height: 20px;
  margin-top: 12px;
  line-height: 1.5;
}
.gate .gate-foot { color: var(--ink-faint); font-size: 12px; margin-top: 26px; }

/* ---------- 首页 ---------- */
.hero { padding: 84px 4px 52px; }
.hero .eyebrow {
  font-size: 12px;
  letter-spacing: .45em;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 46px;
  font-weight: 600;
  letter-spacing: .1em;
  line-height: 1.25;
}
.hero .hero-sub {
  color: var(--ink-dim);
  font-size: 16px;
  margin-top: 18px;
  max-width: 560px;
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 14px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px 26px;
  text-align: left;
  transition: border-color .15s, transform .15s;
  position: relative;
}
.card:hover {
  border-color: var(--amber-deep);
  transform: translateY(-3px);
}
.card .card-tag {
  font-size: 11px;
  letter-spacing: .28em;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.card h2 { font-size: 21px; font-weight: 600; letter-spacing: .04em; margin-bottom: 10px; color: #FFFFFF; }
.card p { color: var(--ink-dim); font-size: 13.5px; line-height: 1.8; }
.card .card-arrow {
  position: absolute;
  right: 26px;
  bottom: 24px;
  color: var(--amber);
  opacity: 0;
  transition: opacity .15s, transform .15s;
}
.card:hover .card-arrow { opacity: 1; transform: translateX(4px); }
.card .card-arrow svg { width: 22px; height: 22px; display: block; }

.app-foot {
  margin-top: 64px;
  color: var(--ink-faint);
  font-size: 12px;
  text-align: center;
  letter-spacing: .05em;
}

/* ---------- 向导页 ---------- */
.wizard-top {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 26px 2px 0;
}
.wizard-top .mode-name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .08em;
  flex: 1;
  text-align: center;
}
.wizard-top .step-count { color: var(--ink-faint); font-size: 13px; font-variant-numeric: tabular-nums; }
.pbar {
  height: 2px;
  background: var(--line-soft);
  border-radius: 2px;
  margin: 18px 0 34px;
  overflow: hidden;
}
.pfill {
  height: 100%;
  background: var(--amber);
  border-radius: 2px;
  transition: width .25s ease;
}

.q-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 40px 32px;
}
.q-head .q-no {
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.q-head h2 { font-size: 22px; font-weight: 600; letter-spacing: .03em; margin-bottom: 6px; }
.q-head .q-hint { color: var(--ink-faint); font-size: 13px; margin-bottom: 4px; }
.q-head .q-required { color: var(--ink-faint); font-size: 12px; margin-top: 2px; }
.q-head { margin-bottom: 26px; }

.opts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
}
.opt {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 14px;
  text-align: left;
  transition: border-color .12s, color .12s, background .12s;
  line-height: 1.5;
}
.opt:hover:not(:disabled) { border-color: var(--amber-deep); color: var(--ink); }
.opt.sel {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--amber-ink);
  font-weight: 600;
}
.opt .opt-sub { display: block; font-weight: 400; font-size: 12px; opacity: .72; margin-top: 1px; }
.opt.sel .opt-sub { opacity: .8; }

.q-extra {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 14.5px;
  padding: 14px 16px;
  border-radius: 12px;
  outline: none;
  resize: vertical;
  min-height: 96px;
  line-height: 1.7;
}
.q-extra:focus { border-color: var(--amber); }

.q-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
}
.q-actions .spacer { flex: 1; }
.q-actions .btn-primary { min-width: 128px; }

/* ---------- 结果页 ---------- */
.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.seg-bar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 22px 0 12px;
}
.seg {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  font-size: 13px;
  padding: 7px 14px;
  border-radius: 20px;
  transition: all .12s;
}
.seg:hover { color: var(--ink); border-color: var(--amber-deep); }
.seg.sel {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--amber-ink);
  font-weight: 600;
}

.code {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 46vh;
  overflow-y: auto;
}

.meta {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.meta-row {
  display: flex;
  gap: 14px;
  font-size: 13px;
  align-items: baseline;
}
.meta-row .m-label {
  flex: 0 0 86px;
  color: var(--ink-faint);
  letter-spacing: .12em;
  font-size: 12px;
}
.meta-row .m-zh { color: var(--ink-dim); flex: 0 0 auto; min-width: 84px; }
.meta-row .m-en {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12.5px;
}
.meta-row.neg .m-en { color: var(--danger); }

.inspire-note {
  margin-top: 20px;
  background: var(--panel-2);
  border-left: 3px solid var(--amber-deep);
  border-radius: 0 10px 10px 0;
  padding: 12px 18px;
  font-size: 13.5px;
  color: var(--ink-dim);
  line-height: 1.8;
}
.inspire-note .i-label { color: var(--amber); letter-spacing: .2em; font-size: 11px; margin-right: 10px; }

.result-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.result-actions .btn-primary { flex: 1; min-width: 180px; }
.result-actions .btn-ghost { flex: 1; min-width: 140px; }

.result-tip {
  margin-top: 16px;
  color: var(--ink-faint);
  font-size: 12px;
  line-height: 1.8;
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .hero { padding: 56px 2px 40px; }
  .hero h1 { font-size: 34px; }
  .cards { grid-template-columns: 1fr; }
  .card { padding: 24px 22px 22px; }
  .q-card { padding: 28px 22px 24px; }
  .q-head h2 { font-size: 19px; }
  .opts { grid-template-columns: 1fr; }
  .gate { padding: 36px 26px 30px; }
  .meta-row { flex-wrap: wrap; gap: 4px 10px; }
  .result-actions .btn { flex-basis: 100%; }
}

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