:root {
  --navy: #17324d;
  --navy-2: #244d70;
  --brand: #61d0df;
  --blue: #157a8a;
  --blue-hover: #106878;
  --blue-light: #e9f8fa;
  --green: #1f8a5e;
  --green-light: #eafaf2;
  --amber: #9a6113;
  --amber-light: #fff7e6;
  --red: #c04747;
  --ink: #1c2b36;
  --muted: #67798a;
  --line: #e2eaef;
  --surface: #ffffff;
  --shadow-soft: 0 1px 2px rgba(23, 50, 77, .04), 0 10px 30px rgba(23, 50, 77, .07);
  --shadow-hover: 0 2px 4px rgba(23, 50, 77, .05), 0 16px 40px rgba(21, 122, 138, .14);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 85% -80px, rgba(97, 208, 223, .16), transparent 65%),
    radial-gradient(700px 380px at -60px 30%, rgba(97, 208, 223, .09), transparent 60%),
    linear-gradient(180deg, #f7fbfc 0%, #f2f7f9 100%);
  background-attachment: fixed;
  font-family: "Noto Sans TC", "Microsoft JhengHei UI", "Microsoft JhengHei", sans-serif;
  line-height: 1.55;
}

button, input { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible { outline: 3px solid rgba(97, 208, 223, .5); outline-offset: 2px; }

/* ── 頂欄 ───────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(97, 208, 223, .35);
  box-shadow: 0 1px 0 rgba(255,255,255,.6) inset, 0 6px 24px rgba(23, 50, 77, .05);
}
.topbar::after {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), #8be2ec 45%, transparent 90%);
}

.topbar__inner {
  width: min(1180px, calc(100% - 40px));
  min-height: 88px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.topbar__brand { display: flex; align-items: center; gap: 18px; }
.topbar__logo { height: 46px; width: auto; display: block; }

.eyebrow {
  display: inline-block;
  margin: 0 0 4px;
  padding: 2px 10px;
  color: var(--blue);
  background: var(--blue-light);
  border: 1px solid rgba(97, 208, 223, .5);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 0;
  font-size: clamp(22px, 2.6vw, 29px);
  font-weight: 900;
  letter-spacing: .02em;
  background: linear-gradient(105deg, var(--navy) 30%, var(--blue) 75%, var(--brand));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--navy);
}
h1 span { font-size: .45em; font-weight: 700; letter-spacing: .08em; vertical-align: top; }

main { width: min(1180px, calc(100% - 40px)); margin: 30px auto 70px; }

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
}

/* ── 步驟 1：匯入 ───────────────────── */
.upload-panel {
  position: relative;
  min-height: 160px;
  padding: 30px 34px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 22px;
  border: 2px dashed rgba(21, 122, 138, .32);
  background: linear-gradient(180deg, #ffffff, #fbfeff);
  transition: border-color .18s, background .18s, transform .18s, box-shadow .18s;
}
.upload-panel.is-dragging {
  border-color: var(--brand);
  background: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.step {
  align-self: flex-start;
  display: inline-block;
  padding: 3px 12px;
  color: #fff;
  background: linear-gradient(120deg, var(--blue), #1a97a9);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
  box-shadow: 0 3px 10px rgba(21, 122, 138, .3);
}

.upload-copy h2, .list-heading h2 { margin-bottom: 5px; font-size: 22px; font-weight: 900; letter-spacing: .01em; }
.upload-copy p { margin-bottom: 5px; color: var(--muted); }
.file-name { font-weight: 700; color: var(--blue) !important; word-break: break-all; }
.drop-hint { position: absolute; bottom: 12px; left: 50%; color: #86a0af; font-size: 13px; transform: translateX(-50%); }

/* ── 按鈕 ───────────────────────────── */
.button {
  border: 0;
  border-radius: 11px;
  padding: 12px 20px;
  font-weight: 700;
  letter-spacing: .03em;
  transition: transform .15s, box-shadow .15s, filter .15s, background .15s;
}
.button:active { transform: translateY(1px); }

.button--primary,
.button--secondary {
  color: #fff;
  background: linear-gradient(130deg, #1a97a9, var(--blue) 60%);
  box-shadow: 0 5px 16px rgba(21, 122, 138, .32), 0 1px 0 rgba(255,255,255,.25) inset;
}
.button--primary:hover,
.button--secondary:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
  box-shadow: 0 9px 22px rgba(21, 122, 138, .38), 0 1px 0 rgba(255,255,255,.25) inset;
}

.button--danger-ghost {
  padding: 10px 14px;
  color: var(--red);
  background: transparent;
  border: 1px solid #ecc9c9;
  border-radius: 11px;
}
.button--danger-ghost:hover { background: #fff4f4; border-color: #ddb0b0; }

/* ── 訊息 ───────────────────────────── */
.message { margin: 18px 0; padding: 14px 17px; border-radius: 12px; border-left: 5px solid; white-space: pre-line; box-shadow: var(--shadow-soft); }
.message--error { color: #7a2020; background: #fff1f1; border-color: #c84b4b; }
.message--info { color: #6b4b15; background: var(--amber-light); border-color: #dfa33e; }

/* ── 統計卡 ─────────────────────────── */
.summary-grid {
  margin: 24px 0 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(130px, 1fr)) minmax(250px, 2fr);
  gap: 14px;
}
.summary-card {
  position: relative;
  padding: 18px 20px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.summary-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--brand), #a7e8f0);
}
.summary-card span { display: block; color: var(--muted); font-size: 13px; font-weight: 700; letter-spacing: .04em; }
.summary-card strong { display: block; margin-top: 2px; color: var(--navy); font-size: 30px; font-weight: 900; line-height: 1.2; font-variant-numeric: tabular-nums; }
.summary-card--done { background: linear-gradient(180deg, #ffffff, var(--green-light)); }
.summary-card--done::before { background: linear-gradient(180deg, var(--green), #7fd6ae); }
.summary-card--done strong { color: var(--green); }
.summary-card--pending { background: linear-gradient(180deg, #ffffff, var(--amber-light)); }
.summary-card--pending::before { background: linear-gradient(180deg, #d99a2b, #f2cd85); }
.summary-card--pending strong { color: var(--amber); }
.summary-card--progress div:first-child { display: flex; align-items: baseline; justify-content: space-between; }
.summary-card--progress strong { font-size: 22px; }
.progress-track { height: 10px; margin-top: 14px; overflow: hidden; border-radius: 999px; background: #e8eef2; box-shadow: 0 1px 2px rgba(23,50,77,.08) inset; }
.progress-bar { width: 0; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--blue), var(--brand)); transition: width .3s ease; }

/* ── 搜尋列 ─────────────────────────── */
.controls { margin-bottom: 28px; padding: 18px 20px; display: flex; align-items: flex-end; gap: 18px; }
.search-wrap { flex: 1; }
.search-wrap label { display: block; margin-bottom: 6px; color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .05em; }
.search-wrap input {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  color: var(--ink);
  border: 1.5px solid #cfdde4;
  border-radius: 11px;
  background: #fbfdfe;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.search-wrap input:focus {
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(97, 208, 223, .18);
}
.toggle { height: 44px; display: flex; align-items: center; gap: 8px; white-space: nowrap; font-weight: 700; }
.toggle input, .done-check input { width: 19px; height: 19px; accent-color: var(--blue); }

.list-heading { margin: 0 2px 14px; display: flex; align-items: end; justify-content: space-between; }
.list-heading h2 { margin: 0; }
.list-heading p { margin: 0 0 3px; color: var(--muted); font-size: 14px; }

/* ── 訂單卡 ─────────────────────────── */
.card-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }

.order-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px 20px;
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: opacity .18s, background .18s, transform .18s, box-shadow .18s;
}
.order-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--brand), rgba(97, 208, 223, .35));
}
.order-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.order-card.is-done { opacity: .6; background: #f4f8f6; }
.order-card.is-done::before { background: linear-gradient(180deg, var(--green), #9ad9bd); }

.order-info { min-width: 0; }
.field-label { margin: 0 0 3px; color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .06em; }
.order-number { margin: 0 0 12px; color: var(--navy); font-size: 19px; font-weight: 900; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.recipient { margin: 0 0 15px; }
.recipient strong { font-size: 17px; font-weight: 900; }

.tracking-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tracking-list li {
  padding: 5px 12px;
  color: #0f4854;
  background: var(--blue-light);
  border: 1px solid rgba(97, 208, 223, .55);
  border-radius: 999px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
}

.card-actions { min-width: 132px; display: flex; flex-direction: column; align-items: stretch; justify-content: space-between; gap: 14px; }
.done-check { display: flex; align-items: center; justify-content: flex-end; gap: 7px; color: var(--navy); font-weight: 800; }

.empty-state { padding: 44px 20px; text-align: center; color: var(--muted); border: 1px dashed #bfcdd6; border-radius: 14px; background: rgba(255,255,255,.7); }
.empty-state h3 { margin-bottom: 4px; color: var(--navy); }
.empty-state p { margin-bottom: 0; }

/* ── Toast ──────────────────────────── */
.toast {
  position: fixed;
  z-index: 30;
  left: 50%;
  bottom: 28px;
  padding: 12px 22px;
  color: #fff;
  background: rgba(20, 45, 63, .92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
  font-weight: 700;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: .22s;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* ── 響應式 ─────────────────────────── */
@media (max-width: 850px) {
  .topbar__inner { padding: 16px 0; align-items: flex-start; flex-direction: column; gap: 10px; }
  .summary-grid { grid-template-columns: repeat(3, 1fr); }
  .summary-card--progress { grid-column: 1 / -1; }
  .card-list { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .topbar { position: static; }
  .topbar__inner, main { width: min(100% - 24px, 1180px); }
  .topbar__logo { height: 38px; }
  .upload-panel { padding: 22px; grid-template-columns: 1fr; text-align: center; }
  .upload-panel .step { justify-self: center; }
  .drop-hint { display: none; }
  .summary-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .summary-card:first-child, .summary-card--progress { grid-column: 1 / -1; }
  .controls { align-items: stretch; flex-direction: column; gap: 10px; }
  .toggle { height: auto; }
  .order-card { grid-template-columns: 1fr; }
  .card-actions { flex-direction: row-reverse; align-items: center; }
  .list-heading { align-items: flex-start; flex-direction: column; gap: 4px; }
}