:root {
  --bg: #0b1020;
  --bg-2: #121a33;
  --surface: #18213f;
  --surface-2: #202a4d;
  --ink: #f6f3ea;
  --muted: #b9b4a6;
  --line: #2e3a66;
  --accent: #f2c14e;
  --accent-2: #ff6b4a;
  --focus: #7dd3fc;
  --radius: 14px;
  --radius-sm: 8px;
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Work Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

@font-face { font-family: "Oswald"; src: url("../assets/oswald.ttf") format("truetype"); font-weight: 200 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Work Sans"; src: url("../assets/work-sans.ttf") format("truetype"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("../assets/ibm-plex-mono.ttf") format("truetype"); font-weight: 100 700; font-style: normal; font-display: swap; }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  background: radial-gradient(1200px 600px at 10% -10%, #1a2550 0%, transparent 60%), var(--bg);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.shell { max-width: 1180px; margin: 0 auto; padding: 28px 24px 48px; }

.masthead { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.masthead__brand { display: flex; align-items: center; gap: 14px; }
.mark { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 10px; background: var(--accent); color: #1a1200; font-family: var(--font-display); font-weight: 700; font-size: 18px; letter-spacing: 1px; }
.kicker { margin: 0; font-family: var(--font-mono); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); }
.title { margin: 2px 0 0; font-family: var(--font-display); font-size: clamp(28px, 4vw, 44px); font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; line-height: 1.05; }
.masthead__dates { margin: 0; color: var(--muted); font-family: var(--font-mono); font-size: 12px; }

.controls { display: grid; grid-template-columns: 1fr 220px auto; gap: 14px; align-items: end; margin: 24px 0 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field__label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--muted); }
.input, .select {
  background: var(--surface); color: var(--ink); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 11px 13px; font: inherit; font-size: 15px;
  outline: none; transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(242,193,78,.25); }
.toggle {
  display: inline-flex; align-items: center; gap: 10px; height: 42px; padding: 0 16px;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface);
  color: var(--ink); font: inherit; cursor: pointer; transition: background .15s, border-color .15s;
}
.toggle[aria-pressed="true"] { background: var(--accent); color: #1a1200; border-color: var(--accent); font-weight: 600; }
.toggle__dot { width: 10px; height: 10px; border-radius: 50%; background: currentColor; opacity: .6; }
.toggle[aria-pressed="true"] .toggle__dot { opacity: 1; }

.results-meta { color: var(--muted); font-family: var(--font-mono); font-size: 12px; margin-bottom: 12px; }

.list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.item {
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 18px 16px;
  display: flex; flex-direction: column; gap: 10px; transition: transform .15s, border-color .15s;
}
.item:hover { transform: translateY(-2px); border-color: var(--accent); }
.item__top { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.item__title { margin: 0; font-family: var(--font-display); font-size: 20px; font-weight: 500; letter-spacing: .3px; line-height: 1.15; text-transform: uppercase; }
.item__cat { font-family: var(--font-mono); font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent); padding: 3px 8px; border: 1px solid var(--accent); border-radius: 999px; white-space: nowrap; }
.item__summary { margin: 0; color: var(--muted); font-size: 14px; }
.item__meta { display: flex; flex-wrap: wrap; gap: 6px 12px; font-family: var(--font-mono); font-size: 11px; color: var(--muted); }
.item__meta span { display: inline-flex; align-items: center; gap: 4px; }
.item__foot { display: flex; justify-content: space-between; align-items: center; margin-top: auto; }
.price { font-family: var(--font-display); font-size: 22px; color: var(--accent); }
.price.free { color: #7ee0a0; }
.btn { border: none; cursor: pointer; font: inherit; font-weight: 600; padding: 10px 16px; border-radius: var(--radius-sm); transition: transform .1s, filter .15s; }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: #1a1200; }
.btn--ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.open-item { background: var(--accent-2); color: #fff; padding: 9px 14px; font-size: 13px; border-radius: var(--radius-sm); }
.open-item:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

.empty-state { margin-top: 32px; padding: 40px 24px; text-align: center; border: 1px dashed var(--line); border-radius: var(--radius); }
.empty-state h2 { font-family: var(--font-display); text-transform: uppercase; margin: 0 0 8px; }
.empty-state p { color: var(--muted); margin: 0 0 16px; }

.footer { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; font-family: var(--font-mono); }

/* detail dialog */
.detail {
  border: none; padding: 0; background: transparent; max-width: 720px; width: calc(100% - 32px);
  color: var(--ink);
}
.detail::backdrop { background: rgba(4,6,18,.7); backdrop-filter: blur(4px); }
.detail__inner {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; max-height: 86vh; overflow: auto;
}
.detail__head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.detail__kicker { margin: 0; font-family: var(--font-mono); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); }
.detail__title { margin: 4px 0 0; font-family: var(--font-display); font-size: 30px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; line-height: 1.1; }
.icon-btn { background: transparent; border: 1px solid var(--line); color: var(--ink); width: 36px; height: 36px; border-radius: 8px; cursor: pointer; font-size: 16px; }
.icon-btn:focus-visible, .btn:focus-visible, .toggle:focus-visible, .input:focus, .select:focus { outline: 3px solid var(--focus); outline-offset: 2px; }
.detail__facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 18px 0; }
.detail__facts div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; }
.detail__facts dt { font-family: var(--font-mono); font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--muted); margin: 0; }
.detail__facts dd { margin: 4px 0 0; font-size: 14px; }
.detail__body { white-space: pre-line; font-size: 15px; color: var(--ink); margin: 0 0 12px; }
.detail__access { color: var(--muted); font-size: 13px; border-left: 3px solid var(--accent); padding-left: 12px; margin: 0 0 18px; }
.detail__foot { display: flex; justify-content: flex-end; }

@media (max-width: 760px) {
  .controls { grid-template-columns: 1fr; }
  .list { grid-template-columns: 1fr; }
  .detail__facts { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .item { transition: none; }
  .item:hover { transform: none; }
}

:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }