:root {
  color-scheme: dark;
  --bg: #091124;
  --panel: #111b35;
  --panel-2: #162342;
  --line: #2c3b61;
  --text: #f3f6ff;
  --muted: #aeb9d2;
  --blue: #4b7dff;
  --blue-2: #2f5fe4;
  --green: #3fd19d;
  --danger: #ff7f90;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Tahoma, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 10% 0%, #1b3268 0, transparent 38%), var(--bg);
  color: var(--text);
}

button, input, select { font: inherit; }
button { cursor: pointer; }
.shell { width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding: 38px 0 24px; }
.hero {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 30px 32px; border: 1px solid #314574; border-radius: 24px;
  background: linear-gradient(120deg, #162a59, #0e1830 72%); box-shadow: 0 18px 50px #0005;
}
.eyebrow { color: #82a4ff; font-size: 13px; }
h1 { margin: 9px 0 8px; font-size: clamp(27px, 4vw, 42px); letter-spacing: -.6px; }
.hero p { margin: 0; color: var(--muted); }
.brand-mark { display: grid; place-items: center; width: 64px; height: 64px; border-radius: 20px; background: linear-gradient(145deg, #4a83ff, #213eaa); font-size: 34px; font-weight: 800; box-shadow: inset 0 0 0 1px #ffffff44; }
.notice { display: flex; gap: 12px; align-items: flex-start; margin: 18px 0; padding: 15px 18px; border: 1px solid #3c5b9a; border-radius: 16px; background: #15264a; }
.notice-icon { display: grid; place-items: center; flex: 0 0 auto; width: 24px; height: 24px; border-radius: 50%; background: #f0ad4e; color: #1b1a13; font-weight: 800; }
.notice strong { font-size: 14px; }
.notice p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: 18px; }
.card { border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(160deg, #142142, #0f1930); box-shadow: 0 14px 36px #0003; padding: 24px; }
.card-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.card-heading > div { display: flex; align-items: center; gap: 10px; }
h2 { margin: 0; font-size: 19px; }
.step { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 9px; background: #263e78; color: #9eb9ff; font-size: 14px; }
.saved-state, .queue-count { color: var(--green); font-size: 12px; }
label { display: block; margin: 17px 0 8px; font-size: 13px; color: #dbe3f6; }
label span { color: var(--muted); font-size: 11px; }
input, select { width: 100%; border: 1px solid #34466f; border-radius: 11px; background: #0b1429; color: var(--text); padding: 13px 14px; outline: none; transition: border .2s, box-shadow .2s; }
input:focus, select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px #4b7dff22; }
select { appearance: auto; }
.hint, .queue-help { margin: 7px 0 0; color: var(--muted); font-size: 11px; }
.input-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.icon-button, .secondary-button, .clear-button { border: 1px solid #3b568e; border-radius: 10px; background: #1a2b54; color: #dce7ff; padding: 0 14px; }
.icon-button:hover, .secondary-button:hover, .clear-button:hover { background: #233a6c; }
.form-message { min-height: 21px; margin-top: 12px; font-size: 12px; color: var(--muted); }
.form-message.error { color: var(--danger); }
.form-message.success { color: var(--green); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.primary-button, .secondary-button { min-height: 46px; padding: 0 18px; border-radius: 11px; }
.primary-button { flex: 1 1 260px; border: 0; background: linear-gradient(135deg, var(--blue), var(--blue-2)); color: white; font-weight: 700; }
.primary-button:hover { filter: brightness(1.1); }
.secondary-button { flex: 0 1 auto; }
.queue { display: grid; gap: 10px; margin-top: 18px; max-height: 390px; overflow: auto; }
.empty { padding: 28px 12px; border: 1px dashed #3a4c73; border-radius: 13px; color: var(--muted); text-align: center; font-size: 13px; }
.queue-item { display: grid; gap: 8px; padding: 13px; border: 1px solid #2f4168; border-radius: 13px; background: #0d172d; }
.queue-top { display: flex; justify-content: space-between; gap: 8px; }
.queue-code { direction: ltr; font-weight: 700; letter-spacing: .8px; }
.queue-note { color: var(--muted); font-size: 11px; }
.queue-actions { display: flex; gap: 8px; }
.queue-actions button { flex: 1; border: 1px solid #3b568e; border-radius: 8px; background: #17294e; color: #dbe6ff; padding: 7px 8px; font-size: 11px; }
.clear-button { width: 100%; margin-top: 16px; padding: 10px; color: #ffb0ba; border-color: #74404e; background: transparent; }
footer { display: flex; justify-content: space-between; gap: 12px; margin-top: 18px; color: var(--muted); font-size: 12px; }
footer a { color: #9cb9ff; }
@media (max-width: 780px) { .shell { width: min(100% - 20px, 620px); padding-top: 14px; } .hero { padding: 24px 20px; } .brand-mark { width: 52px; height: 52px; } .grid { grid-template-columns: 1fr; } .card { padding: 19px; } footer { flex-direction: column; } }