:root {
  color-scheme: dark;
  --panel: #14151c;
  --line: #2a2d38;
  --text: #f7f7fb;
  --muted: #a9afc0;
  --orange: #ff6a00;
  --orange-2: #ff8a1f;
  --purple: #9b4dff;
  --green: #22c55e;
  --red: #ef4444;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 6%, rgba(255, 106, 0, .20), transparent 30%),
    radial-gradient(circle at 82% 16%, rgba(155, 77, 255, .18), transparent 32%),
    linear-gradient(135deg, #07070a 0%, #111018 56%, #09090d 100%);
}

a {
  color: #d8d5ff;
  text-decoration: none;
}

a:hover {
  color: #fff;
}

.page {
  width: min(1400px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 42px;
}

.topbar,
.notice,
.card,
.status-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(20, 21, 28, .9);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .28);
  backdrop-filter: blur(12px);
}

.topbar {
  display: grid;
  grid-template-columns: max-content 1fr;
  align-items: center;
  gap: 22px;
  min-height: 78px;
  padding: 14px 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 300px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: #111;
  font-weight: 900;
  background: linear-gradient(135deg, var(--orange), var(--purple));
}

.brand strong {
  display: block;
  font-size: 22px;
}

.brand span:not(.brand-mark) {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.key-bar {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) 118px 118px 118px;
  gap: 10px;
  align-items: center;
}

input {
  width: 100%;
  height: 46px;
  border: 1px solid #303440;
  border-radius: 8px;
  padding: 0 15px;
  color: var(--text);
  background: #0d0e14;
  font-size: 15px;
}

input:focus {
  border-color: var(--orange);
  outline: 3px solid rgba(255, 106, 0, .16);
}

button,
.buy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  border: 0;
  border-radius: 8px;
  color: #fff;
  font-size: 15px;
  font-weight: 900;
  cursor: pointer;
  white-space: nowrap;
}

button:disabled {
  cursor: not-allowed;
  opacity: .45;
}

.check-button,
.add-button,
.buy-button,
.primary {
  background: linear-gradient(135deg, var(--orange), var(--orange-2));
  box-shadow: 0 12px 26px rgba(255, 106, 0, .25);
}

.add-button {
  background: linear-gradient(135deg, var(--purple), #7c3aed);
}

.secondary {
  background: linear-gradient(135deg, var(--purple), #7c3aed);
}

.ghost {
  border: 1px solid #343846;
  background: #15161e;
}

.notice {
  margin-top: 22px;
  padding: 22px 30px;
  border-left: 4px solid var(--orange);
  background:
    linear-gradient(90deg, rgba(255, 106, 0, .14), rgba(20, 21, 28, .92) 48%),
    rgba(20, 21, 28, .9);
}

.notice h1 {
  margin: 0 0 14px;
  color: #fff1e7;
  font-size: 22px;
}

.notice p {
  margin: 8px 0;
  color: #d8dbe7;
  line-height: 1.55;
}

.status-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 22px;
  padding: 16px;
}

.status-message {
  min-height: 50px;
  padding: 14px 16px;
  border: 1px solid #333846;
  border-radius: 8px;
  color: var(--muted);
  background: #101119;
  line-height: 1.45;
}

.status-message.pending {
  border-color: rgba(155, 77, 255, .6);
  color: #e6d7ff;
}

.status-message.success {
  border-color: rgba(34, 197, 94, .55);
  color: #d5ffe3;
  background: rgba(34, 197, 94, .08);
}

.status-message.error {
  border-color: rgba(239, 68, 68, .65);
  color: #ffd0d0;
  background: rgba(239, 68, 68, .08);
}

.card {
  overflow: hidden;
}

.query-card {
  margin-top: 22px;
}

.card-head {
  padding: 20px 24px 8px;
}

.card-head h2 {
  margin: 0;
  font-size: 22px;
}

.card-head p {
  margin: 8px 0 0;
  color: var(--muted);
}

.query-form {
  display: grid;
  grid-template-columns: 1fr 1fr 220px;
  gap: 16px;
  align-items: end;
  padding: 10px 24px 24px;
}

label {
  display: grid;
  gap: 8px;
  color: #eceef7;
  font-size: 14px;
  font-weight: 700;
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, .62);
  backdrop-filter: blur(6px);
  z-index: 10;
}

.modal.open {
  display: grid;
}

.modal-card {
  width: min(520px, 100%);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #171820;
  box-shadow: 0 34px 90px rgba(0, 0, 0, .45);
}

.modal-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 26px 12px;
}

.modal-head h2 {
  margin: 0;
  font-size: 24px;
}

.modal-head p {
  margin: 10px 0 0;
  color: var(--muted);
}

.icon-button {
  width: 38px;
  height: 38px;
  border: 1px solid #333846;
  background: #101119;
  font-size: 26px;
}

.form {
  display: grid;
  gap: 16px;
  padding: 14px 26px 26px;
}

.modal-actions {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 12px;
  margin-top: 8px;
}

@media (max-width: 980px) {
  .topbar,
  .key-bar,
  .status-panel,
  .query-form {
    grid-template-columns: 1fr;
  }

  .brand {
    min-width: 0;
  }
}