/* ============================================================
   收款码合成工具 · 共享样式（青屿珊瑚 · Teal & Rose）
   作用域 .fit —— 区别于健身营养 emerald、力量 ember、酒精 violet、金融 indigo，
   采用 teal（青绿）+ rose（珊瑚）+ cyan（霓虹）配色，带扫码扫描线动效
   支持暗黑模式：跟随 <html data-theme="dark">
   被以下工具复用：pay-qrcode-merge
   专用作用域 .pq-*：上传槽 / 预览舞台 / 扫描线 / 参数滑杆
   ============================================================ */

.fit {
  --fit-bg: #f2faf8;
  --fit-bg-2: #d9f2ee;
  --fit-card: #ffffff;
  --fit-card-2: #eefaf8;
  --fit-text: #0f231f;
  --fit-muted: #5b7a74;
  --fit-accent: #0d9488;
  --fit-accent-2: #f43f5e;
  --fit-accent-3: #22d3ee;
  --fit-border: #cfeae6;
  --fit-track: #cfeae6;
  --fit-input-bg: #ffffff;
  --fit-shadow: 0 14px 34px rgba(13, 148, 136, .14);
  --fit-shadow-sm: 0 4px 14px rgba(13, 148, 136, .14);

  position: relative;
  min-height: 60vh;
  padding: 28px 0 60px;
  color: var(--fit-text);
  background:
    radial-gradient(1100px 460px at 8% -8%, var(--fit-bg-2), transparent 58%),
    radial-gradient(900px 420px at 100% 0%, #d7f4f1, transparent 55%),
    var(--fit-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

[data-theme="dark"] .fit {
  --fit-bg: #071a17;
  --fit-bg-2: #0d2b26;
  --fit-card: #0f2420;
  --fit-card-2: #14332d;
  --fit-text: #e6fbf7;
  --fit-muted: #8fb3ad;
  --fit-accent: #2dd4bf;
  --fit-accent-2: #fb7185;
  --fit-accent-3: #67e8f9;
  --fit-border: #1e443d;
  --fit-track: #1e443d;
  --fit-input-bg: #14332d;
  --fit-shadow: 0 16px 38px rgba(0, 0, 0, .55);
  --fit-shadow-sm: 0 4px 14px rgba(0, 0, 0, .4);
}

.fit * { box-sizing: border-box; }

.fit-wrap { max-width: 1080px; margin: 0 auto; padding: 0 18px; }

/* 顶部 Hero */
.fit-hero { text-align: center; padding: 14px 12px 26px; }
.fit-kicker {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 5px 14px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(120deg, var(--fit-accent), var(--fit-accent-3));
  margin-bottom: 14px;
}
.fit-hero h1 {
  margin: 0 0 10px;
  font-size: 30px;
  line-height: 1.25;
  letter-spacing: .3px;
  background: linear-gradient(120deg, var(--fit-accent), var(--fit-accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.fit-hero p { margin: 0 auto; max-width: 700px; color: var(--fit-muted); font-size: 15px; line-height: 1.7; }
.fit-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 16px; }
.fit-badge {
  font-size: 12.5px; padding: 5px 12px; border-radius: 999px;
  background: var(--fit-card-2); border: 1px solid var(--fit-border); color: var(--fit-text);
}

/* 网格：左工作台 / 右预览（sticky） */
.fit-grid-pq { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
@media (max-width: 860px) { .fit-grid-pq { grid-template-columns: 1fr; } }
.fit-grid-pq > .fit-card.is-sticky { position: sticky; top: 16px; }
@media (max-width: 860px) { .fit-grid-pq > .fit-card.is-sticky { position: static; } }

.fit-card {
  position: relative;
  background: var(--fit-card);
  border: 1px solid var(--fit-border);
  border-radius: 20px;
  padding: 22px 22px 24px;
  box-shadow: var(--fit-shadow);
  overflow: hidden;
}
.fit-card::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0; width: 6px;
  background: linear-gradient(180deg, var(--fit-accent), var(--fit-accent-3));
}
.fit-card-title { display: flex; align-items: center; gap: 8px; font-size: 17px; font-weight: 700; margin: 0 0 18px; }

/* 表单 */
.fit-field { margin-bottom: 14px; }
.fit-field > label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 7px; }
.fit-input {
  width: 100%; height: 46px; padding: 0 14px;
  font-size: 14.5px; color: var(--fit-text); background: var(--fit-input-bg);
  border: 1.5px solid var(--fit-border); border-radius: 12px; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.fit-input:focus { border-color: var(--fit-accent); box-shadow: 0 0 0 4px rgba(13, 148, 136, .16); }
.fit-help { margin: 8px 0 0; font-size: 12.5px; line-height: 1.6; color: var(--fit-muted); }

.fit-select {
  width: 100%; height: 44px; padding: 0 14px; font-size: 14.5px;
  color: var(--fit-text); background: var(--fit-input-bg);
  border: 1.5px solid var(--fit-border); border-radius: 12px; outline: none;
  cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235b7a74' stroke-width='3'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat: no-repeat; background-position: right 14px center;
}
.fit-select:focus { border-color: var(--fit-accent); }

/* 按钮 */
.fit-btn {
  height: 48px; border: none; border-radius: 14px; font-size: 15.5px; font-weight: 700;
  cursor: pointer; transition: transform .12s, box-shadow .15s, opacity .15s;
  font-family: inherit;
}
.fit-btn:active { transform: translateY(1px); }
.fit-btn:disabled { opacity: .5; cursor: not-allowed; }
.fit-btn-primary { width: 100%; color: #fff; background: linear-gradient(120deg, var(--fit-accent), var(--fit-accent-3)); box-shadow: var(--fit-shadow-sm); }
.fit-btn-primary:hover:not(:disabled) { box-shadow: 0 8px 22px rgba(13, 148, 136, .35); }
.fit-btn-ghost { width: 100%; margin-top: 10px; color: var(--fit-accent); background: var(--fit-card-2); border: 1.5px solid var(--fit-border); font-family: inherit; }
.fit-btn-row { display: flex; gap: 10px; margin-top: 10px; }
.fit-btn-row .fit-btn { flex: 1; height: 44px; font-size: 14px; margin-top: 0; }

.fit-err { margin-top: 12px; padding: 10px 14px; border-radius: 12px;
  background: rgba(244, 63, 94, .1); border: 1px solid rgba(244, 63, 94, .35); color: #c81e51; font-size: 13.5px; }
[data-theme="dark"] .fit-err { color: #ff9db1; background: rgba(244, 63, 94, .16); }

.fit-subhead { margin: 20px 0 10px; font-size: 15px; font-weight: 700; }
.fit-note { background: var(--fit-card-2); border-left: 4px solid var(--fit-accent); border-radius: 12px; padding: 12px 14px; font-size: 13px; line-height: 1.7; color: var(--fit-text); }

.fit-bill { list-style: none; margin: 10px 0 0; padding: 0; }
.fit-bill li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 2px; border-bottom: 1px dashed var(--fit-border); font-size: 13.5px; }
.fit-bill li:last-child { border-bottom: none; }
.fit-bill .bk { color: var(--fit-muted); }
.fit-bill .bv { font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }

.fit-disclaim { margin-top: 24px; padding: 16px 18px; border-radius: 16px; background: var(--fit-card-2); border: 1px solid var(--fit-border); font-size: 13px; line-height: 1.8; color: var(--fit-muted); }
.fit-disclaim b { color: var(--fit-text); }

.fit-info { margin-top: 26px; }
.fit-info h1 { font-size: 22px; margin: 0 0 14px; }
.fit-prose { font-size: 14.5px; line-height: 1.9; color: var(--fit-text); }
.fit-prose b { color: var(--fit-accent); }
.fit-prose p { margin: 0 0 12px; }

.fit-faq-item { border: 1px solid var(--fit-border); border-radius: 14px; padding: 4px 16px; margin-bottom: 10px; background: var(--fit-card); }
.fit-faq-item summary { cursor: pointer; font-weight: 700; font-size: 14.5px; padding: 12px 0; list-style: none; }
.fit-faq-item summary::-webkit-details-marker { display: none; }
.fit-faq-item summary::after { content: "＋"; float: right; color: var(--fit-accent); font-weight: 700; }
.fit-faq-item[open] summary::after { content: "－"; }
.fit-faq-a { padding: 0 0 14px; font-size: 14px; line-height: 1.85; color: var(--fit-text); }

.fit-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.fit-meta .item { flex: 1 1 140px; background: var(--fit-card-2); border: 1px solid var(--fit-border); border-radius: 14px; padding: 12px 14px; }
.fit-meta .k { display: block; font-size: 12px; color: var(--fit-muted); margin-bottom: 4px; }
.fit-meta .v { font-weight: 700; font-size: 14px; }

/* ============ 上传槽 ============ */
.pq-slot {
  border: 2px dashed var(--fit-border);
  border-radius: 16px;
  padding: 14px;
  margin-bottom: 14px;
  background: var(--fit-card-2);
  transition: border-color .18s, background .18s;
}
.pq-slot.is-active { border-color: var(--fit-accent); background: var(--fit-card); }
.pq-slot.is-ok { border-style: solid; border-color: var(--fit-accent); }
.pq-slot.is-bad { border-style: solid; border-color: var(--fit-accent-2); }

.pq-slot-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.pq-slot-title { font-size: 14px; font-weight: 700; display: flex; align-items: center; gap: 6px; }
.pq-slot-state { font-size: 11.5px; font-weight: 700; padding: 3px 9px; border-radius: 999px; background: rgba(13, 148, 136, .12); color: var(--fit-accent); }
.pq-slot-state.is-bad { background: rgba(244, 63, 94, .12); color: var(--fit-accent-2); }
.pq-slot-state.is-idle { background: var(--fit-card-2); color: var(--fit-muted); }

.pq-drop {
  display: flex; align-items: center; gap: 12px;
  cursor: pointer; padding: 12px; border-radius: 12px;
  background: var(--fit-card); border: 1.5px solid var(--fit-border);
  transition: border-color .18s, box-shadow .18s;
}
.pq-drop:hover { border-color: var(--fit-accent); box-shadow: var(--fit-shadow-sm); }
.pq-drop-icon {
  flex: none; width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; background: linear-gradient(135deg, var(--fit-accent), var(--fit-accent-3));
  color: #fff; overflow: hidden;
}
.pq-drop-icon img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pq-drop-text { min-width: 0; }
.pq-drop-main { font-size: 13.5px; font-weight: 700; }
.pq-drop-sub { font-size: 12px; color: var(--fit-muted); margin-top: 3px; word-break: break-all; }

.pq-slot-link {
  margin-top: 10px; display: flex; align-items: center; gap: 8px;
  background: var(--fit-card); border: 1px solid var(--fit-border); border-radius: 10px; padding: 8px 10px;
}
.pq-slot-link .pq-link-text {
  flex: 1; min-width: 0; font-size: 12px; color: var(--fit-muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-family: ui-monospace, Menlo, Consolas, monospace;
}
.pq-slot-link .pq-mini {
  flex: none; font-size: 11.5px; border: 1px solid var(--fit-border); background: var(--fit-card-2);
  color: var(--fit-accent); border-radius: 8px; padding: 4px 8px; cursor: pointer; font-family: inherit;
}
.pq-slot-err { margin-top: 8px; font-size: 12.5px; color: var(--fit-accent-2); line-height: 1.6; }

/* ============ 预览舞台 ============ */
.pq-stage {
  position: relative; overflow: hidden;
  background: var(--fit-card-2); border: 1px solid var(--fit-border);
  border-radius: 16px; padding: 14px; text-align: center;
}
.pq-canvas { max-width: 100%; height: auto; display: block; margin: 0 auto; border-radius: 10px; image-rendering: pixelated; }
.pq-scanline {
  position: absolute; left: 10px; right: 10px; height: 2px; top: 6%;
  background: linear-gradient(90deg, transparent, var(--fit-accent-3), transparent);
  box-shadow: 0 0 14px var(--fit-accent-3);
  opacity: 0; pointer-events: none;
}
.pq-stage.is-ready .pq-scanline { opacity: .85; animation: pqScan 3s ease-in-out infinite; }
@keyframes pqScan { 0% { top: 5%; } 50% { top: 95%; } 100% { top: 5%; } }
@media (prefers-reduced-motion: reduce) { .pq-stage.is-ready .pq-scanline { animation: none; opacity: .5; } }

.pq-empty { padding: 44px 12px; color: var(--fit-muted); font-size: 13.5px; line-height: 1.8; }
.pq-empty .pq-emoji { font-size: 42px; display: block; margin-bottom: 10px; }

/* ============ 状态徽标 ============ */
.pq-flags { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.pq-flag {
  flex: 1 1 0; min-width: 90px; text-align: center;
  font-size: 12px; font-weight: 700; padding: 7px 6px; border-radius: 10px;
  border: 1px solid var(--fit-border); background: var(--fit-card-2); color: var(--fit-muted);
}
.pq-flag.is-on { border-color: var(--fit-accent); background: rgba(13, 148, 136, .12); color: var(--fit-accent); }

/* ============ 合成方式选择 ============ */
.pq-mode { margin-bottom: 14px; }
.pq-mode .k { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; }
.pq-select {
  width: 100%; padding: 9px 10px; border-radius: 10px;
  border: 1px solid var(--fit-line);
  background: var(--fit-input); color: var(--fit-text);
  font-size: 13px; font-family: inherit; cursor: pointer;
  appearance: none; -webkit-appearance: none;
}
.pq-select:focus { outline: 2px solid var(--fit-accent); outline-offset: 1px; }
.pq-mode-tip { margin: 7px 0 0; font-size: 11.5px; line-height: 1.55; color: var(--fit-text2); }

/* ============ 参数滑杆 ============ */
.pq-range { margin-bottom: 12px; }
.pq-range-top { display: flex; justify-content: space-between; align-items: baseline; font-size: 12.5px; margin-bottom: 5px; }
.pq-range-top .k { font-weight: 600; }
.pq-range-top .v { color: var(--fit-accent); font-weight: 700; font-variant-numeric: tabular-nums; }
.pq-range input[type=range] { width: 100%; accent-color: var(--fit-accent); }

.pq-two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pq-two .fit-field { margin-bottom: 10px; }
.pq-color { display: flex; align-items: center; gap: 8px; }
.pq-color input[type=color] { width: 44px; height: 38px; padding: 2px; border: 1.5px solid var(--fit-border); border-radius: 10px; background: var(--fit-input-bg); cursor: pointer; }
.pq-color span { font-size: 12px; color: var(--fit-muted); }