/* ============================================================
   文件中转站 · FILE RELAY
   视觉方向：航空货运运单 / 中转联单
   冷灰纸面 + 黑线框 + 信号橙 + 单据蓝印章 + 等宽数据字体
   ============================================================ */

:root {
  --paper: #eceeea;
  --card: #fbfbf9;
  --white: #ffffff;
  --ink: #14181c;
  --ink-2: #3d444b;
  --ink-soft: #6a7178;
  --line: #c6cbc4;
  --signal: #ff4b12;
  --stamp: #2342c6;
  --ok: #0f7a4d;
  --danger: #d02b1c;

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas,
    "Roboto Mono", "Courier New", monospace;

  --border: 1.5px solid var(--ink);
  --shadow: 4px 4px 0 rgba(20, 24, 28, 0.09);
  --shadow-lg: 8px 8px 0 rgba(20, 24, 28, 0.12);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(20, 24, 28, 0.042) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 24, 28, 0.042) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }

.mono { font-family: var(--mono); }

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

:focus-visible {
  outline: 2.5px solid var(--signal);
  outline-offset: 2px;
}

/* ---------------- 顶栏 ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(236, 238, 234, 0.93);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 62px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  text-decoration: none;
  min-width: 0;
}

.brand-mark { display: flex; color: var(--ink); flex: none; }

.brand-text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }

.brand-name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-en {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.storage-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 11px;
  background: var(--card);
  border: var(--border);
  font-size: 12px;
  flex: none;
}

.chip-label { color: var(--ink-2); font-weight: 700; }

.chip-bar {
  display: block;
  width: 62px;
  height: 9px;
  border: 1.5px solid var(--ink);
  background: var(--white);
  overflow: hidden;
}

.chip-bar i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--signal);
  transition: width 0.5s ease;
}

.chip-val {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-2);
  min-width: 34px;
  text-align: right;
}

/* ---------------- 视图与 hero ---------------- */

.view { flex: 1 0 auto; }

.hero { padding: 46px 0 30px; }

.eyebrow {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  font-size: clamp(31px, 6vw, 50px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-title .mark {
  color: var(--signal);
  background-image: linear-gradient(var(--signal), var(--signal));
  background-repeat: no-repeat;
  background-position: 0 96%;
  background-size: 100% 0.1em;
}

.lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-2);
}

/* ---------------- 面板 ---------------- */

.grid {
  display: grid;
  grid-template-columns: minmax(280px, 4.6fr) minmax(0, 7fr);
  gap: 20px;
  align-items: start;
}

.panel {
  background: var(--card);
  border: var(--border);
  box-shadow: var(--shadow);
  padding: 20px 22px 22px;
  margin-bottom: 20px;
}

.panel-title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 16px;
  padding-bottom: 11px;
  border-bottom: 1px dashed var(--line);
  font-size: 15.5px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.panel-title.sub {
  padding: 0 0 8px;
  border-bottom: 1px dashed var(--line);
  margin-bottom: 10px;
  font-size: 13px;
}

.panel-en {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  background: var(--ink);
  color: var(--paper);
  padding: 2px 8px;
  letter-spacing: 0.08em;
}

.ghost-btn {
  margin-left: auto;
  border: 1.5px solid var(--line);
  background: transparent;
  color: var(--ink-2);
  font: 600 11.5px/1 var(--sans);
  padding: 5px 9px;
  cursor: pointer;
  transition: 0.15s;
}
.ghost-btn:hover { border-color: var(--ink); color: var(--ink); background: rgba(20, 24, 28, 0.05); }

/* ---------------- 拖放区 ---------------- */

.dropzone {
  display: block;
  width: 100%;
  text-align: center;
  padding: 30px 16px 26px;
  border: 2px dashed var(--ink);
  background-image: repeating-linear-gradient(
    -45deg,
    transparent 0 11px,
    rgba(20, 24, 28, 0.028) 11px 22px
  );
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s, transform 0.15s;
  user-select: none;
  -webkit-user-select: none;
}

.dropzone:hover { background-color: rgba(255, 75, 18, 0.05); }

.dropzone.is-dragover {
  border-style: solid;
  border-color: var(--signal);
  background-color: rgba(255, 75, 18, 0.09);
  transform: translateY(-2px);
}

.dz-icon { display: inline-block; color: var(--ink); }

.dz-main { margin: 12px 0 2px; font-size: 18px; font-weight: 800; }

.dz-sub { margin: 0; font-size: 14px; color: var(--ink-soft); }

.dz-link { color: var(--signal); text-decoration: underline; text-underline-offset: 3px; font-weight: 700; }

.dz-limit {
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}
.dz-limit b { color: var(--ink-2); }

/* ---------------- 有效期选择 ---------------- */

.ttl {
  border: 0;
  padding: 0;
  margin: 18px 0 0;
}

.seg {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: var(--border);
  background: var(--white);
}

.seg-item { position: relative; display: block; }

.seg-item + .seg-item { border-left: var(--border); }

.seg-item input {
  position: absolute;
  opacity: 0;
  inset: 0;
  margin: 0;
  cursor: pointer;
}

.seg-item span {
  display: block;
  text-align: center;
  padding: 9px 2px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-2);
  transition: 0.13s;
}

.seg-item input:checked + span {
  background: var(--ink);
  color: var(--white);
  font-weight: 700;
}

.seg-item input:hover + span { background: rgba(20, 24, 28, 0.07); }

.seg-item input:checked:hover + span { background: var(--ink); }

.seg-item input:focus-visible + span {
  outline: 2.5px solid var(--signal);
  outline-offset: -2.5px;
}

.note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------------- 队列 ---------------- */

.queue {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.q-item {
  border: var(--border);
  background: var(--white);
  padding: 12px 14px 13px;
}

.q-item.state-error { border-color: var(--danger); }
.q-item.state-done { border-color: var(--ink); }

.q-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.q-name {
  font-size: 14px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.q-size {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-soft);
  flex: none;
}

.q-bar {
  height: 11px;
  margin-top: 10px;
  border: 1.5px solid var(--ink);
  background: var(--white);
  overflow: hidden;
}

.q-bar i {
  display: block;
  height: 100%;
  width: 0;
  background-color: var(--signal);
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(255, 255, 255, 0.34) 0 6px,
    transparent 6px 12px
  );
  transition: width 0.18s linear;
}

.q-item.state-done .q-bar i { background-color: var(--ok); background-image: none; }
.q-item.state-error .q-bar i { background-color: var(--danger); background-image: none; }
.q-item.state-waiting .q-bar i { background-color: var(--line); background-image: none; }

.q-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 9px;
  min-height: 26px;
}

.q-status {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-2);
  letter-spacing: 0.03em;
}
.q-status.is-error { color: var(--danger); font-weight: 700; }
.q-status.is-ok { color: var(--ok); font-weight: 700; }

.q-actions { display: flex; gap: 6px; flex: none; }

.q-result { margin-top: 11px; }

.link-row {
  display: flex;
  gap: 8px;
}

.link-row input {
  flex: 1 1 auto;
  min-width: 0;
  border: 1.5px solid var(--ink);
  background: var(--white);
  padding: 8px 10px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-2);
}

.q-sub {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin-top: 9px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
}

/* ---------------- 空状态 / 历史 ---------------- */

.empty {
  margin: 0;
  padding: 22px 16px;
  text-align: center;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
  border: 1.5px dashed var(--line);
  background: rgba(255, 255, 255, 0.5);
}

.history {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.history-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 2px;
  border-bottom: 1px dashed var(--line);
}

.history-item:last-child { border-bottom: 0; }

.history-item.is-expired { opacity: 0.55; }

.h-main { flex: 1 1 auto; min-width: 0; }

.h-name {
  font-size: 14px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.h-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin-top: 2px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
}

.h-meta .expired { color: var(--danger); font-weight: 700; }

.h-actions { display: flex; gap: 6px; flex: none; }

/* ---------------- 按钮 ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: var(--border);
  background: var(--ink);
  color: var(--white);
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 700;
  padding: 8px 13px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 3px 3px 0 rgba(20, 24, 28, 0.16);
  transition: transform 0.1s, box-shadow 0.1s, background-color 0.15s, border-color 0.15s;
}

.btn:hover { background: var(--signal); border-color: var(--signal); }

.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 rgba(20, 24, 28, 0.16); }

.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn:disabled:hover { background: var(--ink); border-color: var(--ink); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: none;
}
.btn-ghost:hover { background: rgba(20, 24, 28, 0.07); border-color: var(--ink); color: var(--ink); }

.btn-sm { padding: 6px 10px; font-size: 12.5px; box-shadow: none; }

.btn-lg { width: 100%; padding: 14px; font-size: 15.5px; }

.btn-danger { background: var(--white); color: var(--danger); border-color: var(--danger); box-shadow: none; }
.btn-danger:hover { background: var(--danger); color: var(--white); border-color: var(--danger); }

/* ---------------- 运单卡片（签名元素） ---------------- */

.dl-wrap { padding: 38px 0 56px; }

.dl-hero { text-align: center; margin-bottom: 24px; }

.dl-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(24px, 5vw, 34px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.dl-hero .eyebrow { margin-bottom: 6px; }

.waybill {
  position: relative;
  max-width: 560px;
  margin: 0 auto;
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow-lg);
}

.waybill-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--ink);
  color: #f0efe9;
  padding: 10px 16px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.waybill-head .tag {
  color: var(--paper);
  border: 1px solid rgba(240, 239, 233, 0.55);
  padding: 2px 7px;
  letter-spacing: 0.12em;
}

.waybill-body { position: relative; padding: 20px 22px 6px; }

.awb-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.awb-id {
  margin: 3px 0 0;
  font-family: var(--mono);
  font-size: clamp(23px, 6vw, 30px);
  font-weight: 700;
  letter-spacing: 0.15em;
  word-break: break-all;
}

.barcode {
  display: flex;
  align-items: stretch;
  height: 42px;
  margin: 16px 0 4px;
  overflow: hidden;
}

.barcode i { display: block; background: var(--ink); margin-right: 2px; flex: none; }
.barcode i.gap { background: transparent; }

.fields { margin: 14px 0 0; }

.field {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}

.field:last-child { border-bottom: 0; }

.field dt {
  flex: none;
  width: 84px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.field dd {
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
  text-align: right;
  font-size: 14px;
  font-weight: 600;
  word-break: break-all;
}

.field dd.data { font-family: var(--mono); font-weight: 500; letter-spacing: 0.03em; }

.field dd .soft { color: var(--ink-soft); font-weight: 400; }

.stamp {
  position: absolute;
  right: 14px;
  top: 88px;
  transform: rotate(-9deg);
  border: 2.5px solid var(--stamp);
  color: var(--stamp);
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.35;
  text-align: center;
  padding: 6px 11px;
  opacity: 0.85;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.55);
}

.stamp.is-expired { border-color: var(--danger); color: var(--danger); }

.perf {
  position: relative;
  border-top: 2px dashed var(--line);
  margin: 16px -22px 0;
}

.perf::before,
.perf::after {
  content: "";
  position: absolute;
  top: -12px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--paper);
  border: 1.5px solid var(--ink);
}

.perf::before { left: -13px; }
.perf::after { right: -13px; }

.waybill-actions {
  display: flex;
  gap: 10px;
  padding: 18px 22px 22px;
}

.waybill-actions .btn {
  flex: 1 1 auto;
  padding: 14px 12px;
  font-size: 15px;
  box-shadow: 3px 3px 0 rgba(20, 24, 28, 0.16);
}

.waybill-note {
  padding: 0 22px 20px;
  margin: -6px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.waybill-status {
  padding: 30px 22px 26px;
  text-align: center;
}

.waybill-status .code {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--signal);
  font-weight: 700;
}

.waybill-status h2 { margin: 10px 0 6px; font-size: 21px; font-weight: 800; }

.waybill-status p { margin: 0 auto; max-width: 34ch; font-size: 14px; line-height: 1.75; color: var(--ink-2); }

.waybill-status .btn { margin-top: 18px; }

.loading-note {
  max-width: 560px;
  margin: 0 auto;
  padding: 40px 20px;
  text-align: center;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  border: var(--border);
  background: var(--white);
  box-shadow: var(--shadow);
  animation: pulse 1.1s ease-in-out infinite;
}

@keyframes pulse { 50% { opacity: 0.45; } }

.back-link {
  display: block;
  width: fit-content;
  margin: 22px auto 0;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-2);
  text-underline-offset: 4px;
}
.back-link:hover { color: var(--signal); }

/* ---------------- 提示条 / 页脚 ---------------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  z-index: 90;
  transform: translate(-50%, 24px);
  opacity: 0;
  pointer-events: none;
  background: var(--ink);
  color: var(--white);
  border-left: 4px solid var(--signal);
  padding: 11px 17px;
  font-size: 13.5px;
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: transform 0.22s ease, opacity 0.22s ease;
  max-width: min(90vw, 460px);
}

.toast.show { transform: translate(-50%, 0); opacity: 1; }
.toast.is-error { border-left-color: var(--danger); }

.site-footer {
  margin-top: 26px;
  border-top: var(--border);
  background: rgba(251, 251, 249, 0.7);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding-top: 16px;
  padding-bottom: 16px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

/* ---------------- 响应式 ---------------- */

@media (max-width: 980px) {
  .grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 16px; }

  .header-inner { min-height: 56px; }

  .brand-name { font-size: 15.5px; }

  .chip-bar { width: 42px; }

  .hero { padding: 32px 0 22px; }

  .lede { font-size: 14.5px; }

  .panel { padding: 16px 15px 18px; box-shadow: 3px 3px 0 rgba(20, 24, 28, 0.09); }

  .seg-item span { font-size: 12.5px; padding: 12px 1px; }

  .btn-sm { padding: 9px 11px; font-size: 13px; }

  .q-top { flex-wrap: wrap; gap: 4px 10px; }
  .q-name { white-space: normal; word-break: break-all; }

  .q-meta { flex-wrap: wrap; }

  .link-row { flex-wrap: wrap; }
  .link-row .btn { flex: 1 1 auto; }

  .history-item { flex-wrap: wrap; gap: 8px; }
  .h-main { flex: 1 1 100%; }
  .h-actions { width: 100%; }
  .h-actions .btn { flex: 1 1 auto; }

  .waybill { box-shadow: 5px 5px 0 rgba(20, 24, 28, 0.12); }
  .waybill-body { padding: 17px 16px 6px; }
  .waybill-actions { flex-direction: column; padding: 16px 16px 18px; }
  .waybill-note { padding: 0 16px 18px; }
  .perf { margin: 14px -16px 0; }
  .perf::before { left: -13px; }
  .perf::after { right: -13px; }
  .stamp { right: 10px; top: 76px; font-size: 11px; padding: 5px 9px; }

  .field dt { width: 70px; font-size: 10px; }
  .field dd { font-size: 13.5px; }

  .toast { bottom: 16px; font-size: 13px; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 360px) {
  .seg { grid-template-columns: repeat(2, 1fr); }
  .seg-item:nth-child(3), .seg-item:nth-child(4) { border-top: var(--border); }
  .seg-item:nth-child(3) { border-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}