:root {
  --purple-950: #21002d;
  --purple-900: #310044;
  --purple-700: #6500a8;
  --yellow: #ffc52f;
  --ink: #210829;
  --muted: #735f7a;
  --line: #e2d3e8;
  --green: #11834a;
  --red: #b4232d;
  --white: #fff;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { min-width: 320px; }

body {
  min-height: 100vh;
  margin: 0;
  background: var(--purple-950) url("../assets/game-stage-bg.png") center top / cover fixed no-repeat;
  color: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}

button,
input { font: inherit; }

a { color: inherit; text-decoration: none; }

img { display: block; max-width: 100%; }

.page-backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: rgba(24, 0, 34, .42);
}

.tracking-header {
  width: min(100% - 48px, 1180px);
  min-height: 112px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin: 0 auto;
}

.tracking-brand { width: 150px; }

.tracking-brand img { filter: drop-shadow(0 8px 14px rgba(0, 0, 0, .4)); }

.tracking-header nav { display: flex; align-items: center; gap: 32px; }

.tracking-header nav a {
  padding: 12px 0;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.tracking-header nav a:hover,
.tracking-header nav a:focus-visible { color: var(--yellow); }

.tracking-main {
  width: min(100% - 48px, 1180px);
  margin: 24px auto 0;
}

.tracking-intro { max-width: 720px; margin-bottom: 28px; }

.eyebrow,
.secure-label {
  color: var(--yellow);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.tracking-intro h1 {
  max-width: 680px;
  margin: 8px 0 10px;
  font-size: clamp(38px, 5vw, 62px);
  line-height: .98;
  letter-spacing: 0;
}

.tracking-intro p {
  max-width: 610px;
  margin: 0;
  color: #e9ddef;
  font-size: 17px;
  line-height: 1.55;
}

.tracking-tool {
  min-height: 530px;
  display: grid;
  grid-template-columns: minmax(320px, .8fr) minmax(420px, 1.2fr);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 24px 70px rgba(12, 0, 20, .35);
}

.tracking-form-side {
  padding: 48px;
  background: rgba(49, 0, 68, .98);
}

.tracking-form-side h2 {
  margin: 8px 0 32px;
  font-size: 30px;
  letter-spacing: 0;
}

.tracking-form-side form { display: grid; gap: 12px; }

.tracking-form-side label { font-size: 13px; font-weight: 900; }

.tracking-form-side input {
  width: 100%;
  height: 58px;
  padding: 0 18px;
  border: 2px solid transparent;
  border-radius: 6px;
  outline: 0;
  background: var(--white);
  color: var(--ink);
  font-size: 17px;
  font-weight: 800;
  text-transform: uppercase;
}

.tracking-form-side input:focus { border-color: var(--yellow); }

.tracking-form-side button {
  height: 58px;
  border: 0;
  border-radius: 6px;
  background: var(--yellow);
  color: var(--ink);
  font-size: 16px;
  font-weight: 950;
  cursor: pointer;
  box-shadow: inset 0 -5px rgba(171, 108, 0, .3);
}

.tracking-form-side button:hover { background: #ffd25b; }

.tracking-form-side button:disabled { cursor: wait; opacity: .72; }

.form-note {
  margin: 16px 0 0;
  color: #cfbdd8;
  font-size: 12px;
  line-height: 1.5;
}

.tracking-result {
  min-width: 0;
  padding: 48px;
  color: var(--ink);
}

.result-empty,
.result-loading,
.result-error {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.result-empty strong,
.result-loading strong,
.result-error strong { margin-top: 18px; font-size: 21px; }

.result-empty p,
.result-error p { max-width: 390px; margin: 8px 0 0; color: var(--muted); line-height: 1.5; }

.package-mark {
  width: 76px;
  height: 64px;
  border: 5px solid var(--purple-700);
  border-radius: 6px;
  position: relative;
}

.package-mark::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 26px;
  width: 14px;
  height: 64px;
  border-right: 4px solid var(--purple-700);
  border-left: 4px solid var(--purple-700);
}

.loading-ring {
  width: 50px;
  height: 50px;
  border: 5px solid #eadff0;
  border-top-color: var(--purple-700);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.result-error { color: var(--red); }

.result-success > header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.result-success > header span { color: var(--muted); font-size: 12px; font-weight: 900; text-transform: uppercase; }

.result-success > header h2 { margin: 6px 0 0; font-size: 30px; letter-spacing: 0; }

#status-badge {
  padding: 8px 12px;
  border-radius: 999px;
  background: #e4f7ec;
  color: var(--green);
  font-size: 11px;
  text-transform: uppercase;
}

#status-badge.attention { background: #fff0f1; color: var(--red); }

.shipment-details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin: 24px 0;
}

.shipment-details div { min-width: 0; }

.shipment-details dt { color: var(--muted); font-size: 11px; font-weight: 900; text-transform: uppercase; }

.shipment-details dd {
  overflow-wrap: anywhere;
  margin: 5px 0 0;
  font-size: 13px;
  font-weight: 800;
}

.tracking-timeline {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tracking-timeline li {
  min-height: 62px;
  display: grid;
  grid-template-columns: 24px 1fr auto;
  align-items: start;
  gap: 14px;
  position: relative;
  color: #99889f;
}

.tracking-timeline li::before {
  content: "";
  width: 12px;
  height: 12px;
  margin-top: 3px;
  border: 3px solid #d7c7dd;
  border-radius: 50%;
  background: var(--white);
  z-index: 1;
}

.tracking-timeline li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 18px;
  bottom: -3px;
  left: 7px;
  width: 2px;
  background: #e5dbe9;
}

.tracking-timeline li.done,
.tracking-timeline li.current { color: var(--ink); }

.tracking-timeline li.done::before,
.tracking-timeline li.current::before { border-color: var(--green); background: var(--green); }

.tracking-timeline li.current::before { box-shadow: 0 0 0 5px #dff3e8; }

.tracking-timeline strong { font-size: 14px; }

.tracking-timeline time { color: var(--muted); font-size: 11px; white-space: nowrap; }

.external-tracking {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 6px;
  border: 2px solid var(--purple-700);
  border-radius: 6px;
  color: var(--purple-700);
  font-size: 13px;
  font-weight: 900;
}

.tracking-help {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 34px 0 42px;
}

.tracking-help strong { color: var(--yellow); }

.tracking-help p { margin: 5px 0 0; color: #ded0e5; font-size: 13px; }

.tracking-help a { border-bottom: 2px solid var(--yellow); padding: 8px 0; font-size: 13px; font-weight: 900; }

.tracking-footer {
  min-height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 24px;
  border-top: 1px solid rgba(255, 255, 255, .13);
  background: rgba(21, 0, 29, .85);
  color: #c9b8d2;
  font-size: 11px;
}

.tracking-footer img { width: 76px; }

@media (max-width: 820px) {
  body { background-attachment: scroll; }

  .tracking-header,
  .tracking-main { width: min(100% - 28px, 680px); }

  .tracking-header { min-height: 94px; }

  .tracking-brand { width: 116px; }

  .tracking-header nav { gap: 16px; }

  .tracking-header nav a:nth-child(3) { display: none; }

  .tracking-main { margin-top: 12px; }

  .tracking-intro h1 { font-size: 40px; }

  .tracking-tool { grid-template-columns: 1fr; }

  .tracking-form-side,
  .tracking-result { padding: 30px; }

  .result-empty,
  .result-loading,
  .result-error { min-height: 300px; }
}

@media (max-width: 520px) {
  .tracking-header nav a { font-size: 10px; }

  .tracking-intro p { font-size: 15px; }

  .tracking-form-side,
  .tracking-result { padding: 24px 18px; }

  .tracking-form-side h2 { font-size: 26px; }

  .result-success > header { display: grid; }

  .shipment-details { grid-template-columns: 1fr; gap: 14px; }

  .tracking-timeline li { grid-template-columns: 24px 1fr; }

  .tracking-timeline time { grid-column: 2; padding-bottom: 8px; white-space: normal; }

  .tracking-help { align-items: flex-start; flex-direction: column; }

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

@media (prefers-reduced-motion: reduce) {
  .loading-ring { animation-duration: 1.8s; }
}