:root {
  --paper: #f1ecdf;
  --card: #fbf8ef;
  --ink: #141a1e;
  --ink-soft: #4c545b;
  --ink-faint: #8a9098;
  --rule: #d8d2c2;
  --orange: #ff4d00;
  --green: #1c7c46;
  --red: #c4351b;
  --amber: #b06e00;
  --shadow: 5px 5px 0 rgba(20, 26, 30, 0.9);
  --mono: "Chivo Mono", ui-monospace, monospace;
  --sans: "Archivo", sans-serif;
  --display: "Archivo Black", sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--paper);
  background-image: radial-gradient(rgba(20, 26, 30, 0.055) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--ink);
  font-family: var(--sans);
  display: flex;
  flex-direction: column;
}

.paper-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- masthead ---------- */

.masthead {
  border-bottom: 3px solid var(--ink);
  background: var(--card);
}

.masthead-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 26px 24px 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "brand barcode" "meta barcode";
  align-items: end;
  gap: 4px 24px;
}

.brand {
  grid-area: brand;
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  background: var(--ink);
  position: relative;
  flex: none;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 7px 5px;
  background:
    repeating-linear-gradient(90deg, var(--orange) 0 4px, transparent 4px 8px);
}

.brand-word {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(28px, 6vw, 40px);
  letter-spacing: 0.01em;
  line-height: 1;
}
.brand-accent { color: var(--orange); }

.barcode {
  grid-area: barcode;
  align-self: start;
  width: clamp(90px, 16vw, 150px);
  height: 48px;
  background: repeating-linear-gradient(
    90deg,
    var(--ink) 0 2px, transparent 2px 5px,
    var(--ink) 5px 9px, transparent 9px 11px,
    var(--ink) 11px 12px, transparent 12px 17px,
    var(--ink) 17px 21px, transparent 21px 24px
  );
  opacity: 0.85;
}

.masthead-meta {
  grid-area: meta;
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 10px;
}

.dot-sep {
  width: 4px;
  height: 4px;
  background: var(--orange);
  display: inline-block;
  flex: none;
}

/* ---------- layout ---------- */

main {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 34px 24px 64px;
  flex: 1;
}

/* ---------- console ---------- */

.console {
  position: relative;
  background: var(--card);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
  padding: 22px;
}

/* Turnstile invisible widget slot — zero footprint unless a challenge appears */
.ts-slot {
  position: absolute;
  right: 14px;
  bottom: 10px;
  z-index: 2;
}

#track-form {
  display: grid;
  grid-template-columns: minmax(150px, 200px) 1fr auto;
  gap: 14px;
  align-items: end;
}

.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }

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

.field input,
.field select {
  appearance: none;
  width: 100%;
  border: 2px solid var(--ink);
  background: #fff;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  padding: 11px 12px;
  border-radius: 0;
  outline-offset: 2px;
}

.field input:focus-visible,
.field select:focus-visible {
  outline: 2px solid var(--orange);
}

.field select {
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%),
    linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 18px) 55%, calc(100% - 13px) 55%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  padding-right: 32px;
  cursor: pointer;
}

.field input::placeholder { color: var(--ink-faint); }

.track-btn {
  border: 2px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--display);
  font-size: 15px;
  letter-spacing: 0.06em;
  padding: 12px 20px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 3px 3px 0 rgba(20, 26, 30, 0.45);
  transition: background 0.15s, color 0.15s, transform 0.08s, box-shadow 0.08s;
  white-space: nowrap;
}

.track-btn:hover { background: var(--orange); border-color: var(--ink); color: var(--ink); }
.track-btn:active { transform: translate(3px, 3px); box-shadow: 0 0 0 rgba(0, 0, 0, 0); }
.track-btn:focus-visible { outline: 2px solid var(--orange); outline-offset: 2px; }

.track-btn[disabled] { opacity: 0.6; cursor: wait; }

.track-btn-arrow { transition: transform 0.15s; }
.track-btn:hover .track-btn-arrow { transform: translateX(4px); }

.form-error {
  margin: 14px 0 0;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--red);
  border-left: 3px solid var(--red);
  padding: 4px 10px;
  background: rgba(196, 53, 27, 0.06);
}

/* ---------- manifest ---------- */

.manifest { margin-top: 40px; }

.manifest-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-bottom: 3px solid var(--ink);
  padding-bottom: 8px;
  margin-bottom: 18px;
}

.manifest-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 20px;
  letter-spacing: 0.02em;
}

.manifest-hint {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  text-transform: uppercase;
}

.empty-state {
  border: 2px dashed var(--rule);
  padding: 44px 24px;
  text-align: center;
  color: var(--ink-soft);
}

.empty-state[hidden] { display: none; }

.empty-stamp {
  display: inline-block;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
  border: 2px solid var(--ink-faint);
  padding: 6px 14px;
  transform: rotate(-2deg);
  margin-bottom: 14px;
}

.empty-state p { margin: 0; font-size: 14px; }

/* ---------- waybill card ---------- */

.waybill {
  background: var(--card);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
  margin-bottom: 26px;
  animation: drop-in 0.35s cubic-bezier(0.2, 0.9, 0.3, 1.2) both;
}

@keyframes drop-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.waybill-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px 12px;
  border-bottom: 2px dashed var(--rule);
}

.waybill-id { display: flex; flex-direction: column; gap: 3px; min-width: 0; }

.waybill-carrier {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.waybill-awb {
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(18px, 4vw, 24px);
  letter-spacing: 0.04em;
  word-break: break-all;
  line-height: 1.1;
}

.waybill-stamp {
  flex: none;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 2px solid currentColor;
  padding: 5px 10px;
  transform: rotate(2.5deg);
  background: rgba(255, 255, 255, 0.5);
}

.waybill[data-status="DELIVERED"] .waybill-stamp { color: var(--green); }
.waybill[data-status="EXCEPTION"] .waybill-stamp { color: var(--red); }
.waybill[data-status="PENDING"],
.waybill[data-status="PICKED_UP"],
.waybill[data-status="IN_TRANSIT"],
.waybill[data-status="OUT_FOR_DELIVERY"] .waybill-stamp { color: var(--orange); }
.waybill-stamp.st-default { color: var(--ink-soft); }

.waybill-route {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 10px;
  padding: 12px 18px;
}

.route-label {
  display: block;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  margin-bottom: 3px;
}

.route-location {
  font-weight: 700;
  font-size: 15px;
  line-height: 1.3;
}

.route-updated {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-soft);
}

.waybill-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 0 18px 14px;
  flex-wrap: wrap;
}

.act {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: none;
  border: 1.5px solid var(--ink);
  color: var(--ink);
  padding: 5px 10px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: background 0.12s, color 0.12s;
}

.act:hover { background: var(--ink); color: var(--paper); }
.act.act-remove:hover { background: var(--red); border-color: var(--red); }
.act:focus-visible { outline: 2px solid var(--orange); outline-offset: 2px; }
.act[disabled] { opacity: 0.5; cursor: wait; }

.act-spacer { flex: 1; }

.waybill-detail {
  border-top: 2px dashed var(--rule);
  padding: 20px 18px 16px;
  background: rgba(255, 255, 255, 0.45);
}
.waybill-detail[hidden] { display: none; }

/* ---------- timeline ---------- */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 0;
  border-left: 2px dashed var(--rule);
}

.tl-event {
  position: relative;
  padding: 0 0 18px 34px;
  animation: drop-in 0.3s cubic-bezier(0.2, 0.9, 0.3, 1.2) both;
}
.tl-event:last-child { padding-bottom: 2px; }

.tl-event::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 12px;
  height: 12px;
  background: var(--card);
  border: 2px solid var(--ink-faint);
  transform: rotate(45deg);
}

.tl-event.tl-milestone::before {
  background: var(--ink);
  border-color: var(--ink);
}

.tl-event.tl-latest::before {
  background: var(--orange);
  border-color: var(--ink);
}

.tl-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.tl-label { font-weight: 700; font-size: 14px; }
.tl-event.tl-latest .tl-label { color: var(--orange); }

.tl-time {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-soft);
  letter-spacing: 0.03em;
}

.tl-loc {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 3px;
}

/* loading shimmer for timeline */
.tl-loading {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse { 50% { opacity: 0.35; } }

/* ---------- footer ---------- */

.colophon {
  border-top: 3px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.colophon .dot-sep { background: var(--orange); }

/* ---------- responsive ---------- */

@media (max-width: 640px) {
  .masthead-inner {
    grid-template-columns: 1fr;
    grid-template-areas: "brand" "barcode" "meta";
    gap: 14px;
  }
  .barcode { align-self: flex-start; height: 34px; }
  #track-form { grid-template-columns: 1fr; }
  .waybill-route { grid-template-columns: 1fr; }
  main { padding: 24px 16px 48px; }
  .console { padding: 16px; }
}

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