:root {
  --bg: #090b12;
  --panel: #111520;
  --panel-light: #171c28;
  --line: #293142;
  --text: #f4f6fb;
  --muted: #8d96a8;
  --cyan: #46e0ff;
  --orange: #ff6b35;
  --yellow: #ffc857;
  --danger: #ff5266;
  --font-display: "Barlow Condensed", Impact, sans-serif;
  --font-body: "Inter", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  background:
    linear-gradient(rgba(70, 224, 255, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(70, 224, 255, .025) 1px, transparent 1px),
    var(--bg);
  background-size: 42px 42px;
  font-family: var(--font-body);
}

button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.ambient {
  position: fixed;
  z-index: -1;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  filter: blur(110px);
  opacity: .12;
  pointer-events: none;
}

.ambient-one { top: -15rem; right: -9rem; background: var(--cyan); }
.ambient-two { bottom: -20rem; left: -11rem; background: var(--orange); }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1440px, calc(100% - 48px));
  margin: 0 auto;
  padding: 24px 0;
  border-bottom: 1px solid rgba(141, 150, 168, .18);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  background: rgba(70, 224, 255, .08);
  font: 800 20px/1 var(--font-display);
  transform: skew(-5deg);
}

.brand strong, .brand small { display: block; }
.brand strong { font: 700 22px/1 var(--font-display); letter-spacing: .08em; }
.brand small { margin-top: 4px; color: var(--muted); font-size: 9px; letter-spacing: .24em; }

.live-badge {
  padding: 9px 13px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
}

.live-badge span {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 12px var(--orange);
}

main {
  width: min(1440px, calc(100% - 48px));
  margin: 0 auto;
  padding: 56px 0 72px;
}

.setup-view {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(380px, .75fr);
  gap: clamp(48px, 8vw, 130px);
  align-items: center;
  min-height: calc(100vh - 180px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font: 700 12px/1 var(--font-body);
  letter-spacing: .22em;
}

.hero-copy h1, .tournament-titlebar h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: .88;
  letter-spacing: -.025em;
  text-transform: uppercase;
}

.hero-copy h1 { font-size: clamp(68px, 9vw, 132px); }
.hero-copy h1 em { color: var(--orange); font-style: normal; }

.hero-description {
  max-width: 620px;
  margin: 32px 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.feature-row {
  display: flex;
  gap: 42px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.feature-row div { display: flex; flex-direction: column; }
.feature-row strong { font: 700 28px/1 var(--font-display); color: var(--yellow); }
.feature-row span { margin-top: 7px; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .16em; }

.setup-panel {
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(23, 28, 40, .98), rgba(14, 18, 28, .98));
  box-shadow: 18px 18px 0 rgba(70, 224, 255, .025);
}

.panel-heading, .tournament-titlebar, .roster-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-heading { margin-bottom: 30px; }
.panel-heading h2 { margin: 0; font: 700 34px/1 var(--font-display); text-transform: uppercase; }
.text-button { border: 0; color: var(--cyan); background: none; font-size: 12px; font-weight: 700; }
.text-button:hover { text-decoration: underline; }

label {
  display: block;
  margin-bottom: 9px;
  color: #c7ccd6;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.category-fieldset {
  min-width: 0;
  margin: 20px 0;
  padding: 0;
  border: 0;
}

.category-fieldset legend {
  margin-bottom: 9px;
  color: #c7ccd6;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.category-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 78px;
  margin: 0;
  padding: 13px 10px;
  flex-direction: column;
  justify-content: center;
  border: 1px solid var(--line);
  color: var(--muted);
  background: #0c1018;
  cursor: pointer;
  transition: border-color .15s, background .15s, transform .15s;
}

.category-card:hover {
  border-color: rgba(70, 224, 255, .55);
  transform: translateY(-1px);
}

.category-card:has(input:checked) {
  border-color: var(--cyan);
  color: var(--text);
  background: rgba(70, 224, 255, .08);
  box-shadow: inset 0 -2px 0 var(--cyan);
}

.category-card input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.aircraft-code {
  overflow: hidden;
  font: 700 21px/1 var(--font-display);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.matchup-label {
  overflow: hidden;
  margin-top: 7px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .08em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  outline: none;
  color: var(--text);
  background: #0c1018;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px rgba(70, 224, 255, .09);
}

#tournamentName, select { height: 48px; padding: 0 14px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }
.roster-label span { margin-bottom: 9px; color: var(--muted); font-size: 11px; }
textarea { min-height: 184px; padding: 13px 14px; resize: vertical; line-height: 1.5; }
.form-error { min-height: 18px; margin: 8px 0; color: var(--danger); font-size: 12px; }

.primary-button, .secondary-button {
  border: 0;
  color: var(--bg);
  background: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.primary-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 18px;
  transition: transform .15s, box-shadow .15s;
}

.primary-button:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(70, 224, 255, .2); }
.primary-button span:last-child { font-size: 20px; }

.hidden { display: none !important; }
.tournament-view { min-width: 0; }
.tournament-titlebar { gap: 24px; margin-bottom: 36px; }
.tournament-titlebar h1 { font-size: clamp(44px, 6vw, 76px); }
.event-meta { margin: 12px 0 0; color: var(--muted); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.titlebar-actions { display: flex; gap: 9px; flex-shrink: 0; }

.secondary-button {
  padding: 12px 15px;
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--panel);
}

.secondary-button:hover { border-color: var(--cyan); }
.danger-button:hover { border-color: var(--danger); color: var(--danger); }

.champion-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  margin-bottom: 28px;
  padding: 20px;
  border: 1px solid rgba(255, 200, 87, .4);
  text-align: center;
  background: linear-gradient(90deg, transparent, rgba(255, 200, 87, .1), transparent);
}

.champion-banner p { margin: 0; color: var(--yellow); font-size: 10px; font-weight: 700; letter-spacing: .22em; }
.champion-banner h2 { margin: 5px 0 0; font: 800 35px/1 var(--font-display); text-transform: uppercase; }
.trophy { color: var(--yellow); font-size: 24px; }

.bracket-shell {
  overflow-x: auto;
  padding: 8px 4px 24px;
  scrollbar-color: var(--line) transparent;
}

.bracket {
  display: flex;
  gap: 56px;
  min-width: max-content;
}

.round-column {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 270px;
}

.round-heading { margin-bottom: 18px; }
.round-heading span { color: var(--cyan); font-size: 9px; font-weight: 700; letter-spacing: .18em; }
.round-heading h2 { margin: 4px 0 0; font: 700 26px/1 var(--font-display); text-transform: uppercase; }
.match-list { display: flex; flex: 1; flex-direction: column; justify-content: space-around; gap: 28px; }

.match-card {
  position: relative;
  border: 1px solid var(--line);
  background: rgba(17, 21, 32, .96);
}

.match-card::after {
  position: absolute;
  top: 50%;
  right: -57px;
  width: 56px;
  height: 1px;
  content: "";
  background: var(--line);
}

.round-column:last-child .match-card::after { display: none; }
.match-card.complete { border-color: rgba(70, 224, 255, .38); }
.match-label { padding: 7px 10px; color: var(--muted); background: rgba(255,255,255,.02); font-size: 8px; font-weight: 700; letter-spacing: .15em; }

.player-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 46px;
  min-height: 49px;
  border-top: 1px solid var(--line);
}

.player-button {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 9px;
  padding: 0 10px;
  border: 0;
  color: var(--text);
  text-align: left;
  background: transparent;
}

.player-button:disabled { cursor: default; }
.player-button.selectable:hover { color: var(--cyan); background: rgba(70, 224, 255, .06); }
.seed { display: grid; width: 20px; height: 20px; flex: 0 0 20px; place-items: center; color: var(--muted); background: #202635; font-size: 9px; }
.player-name { overflow: hidden; font-size: 12px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.win-marker { display: none; margin-left: auto; color: var(--cyan); font-size: 8px; font-weight: 800; letter-spacing: .1em; }
.player-row.winner .player-button { color: var(--cyan); background: rgba(70, 224, 255, .07); }
.player-row.winner .win-marker { display: inline; }
.player-row.empty .player-name { color: #5d6574; font-style: italic; font-weight: 400; }

.score-input {
  height: 100%;
  padding: 0;
  border-width: 0 0 0 1px;
  text-align: center;
  font: 700 18px/1 var(--font-display);
}

.score-input:disabled { color: #555d6b; background: #0e121a; }
.match-status { min-height: 0; color: var(--yellow); font-size: 9px; font-weight: 700; text-align: center; letter-spacing: .08em; }
.match-status:not(:empty) { padding: 6px; border-top: 1px solid var(--line); }
.bracket-help { margin: 3px 0 0; color: var(--muted); font-size: 11px; text-align: center; }

@media (max-width: 900px) {
  .setup-view { grid-template-columns: 1fr; padding-top: 16px; }
  .hero-copy { max-width: 700px; }
  .setup-panel { max-width: 650px; }
}

@media (max-width: 620px) {
  .site-header, main { width: min(100% - 28px, 1440px); }
  .site-header { padding: 17px 0; }
  main { padding-top: 36px; }
  .live-badge { display: none; }
  .hero-copy h1 { font-size: 61px; }
  .feature-row { gap: 24px; }
  .setup-panel { padding: 22px 18px; }
  .panel-heading { align-items: flex-end; }
  .form-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .category-card { min-height: 58px; }
  .tournament-titlebar { align-items: flex-start; flex-direction: column; }
  .titlebar-actions { width: 100%; }
  .secondary-button { flex: 1; }
  .round-column { width: 245px; }
  .bracket { gap: 40px; }
  .match-card::after { right: -41px; width: 40px; }
}

.network-nav{display:flex;align-items:center;gap:clamp(10px,1.5vw,22px);margin-left:auto}
.network-nav a,.site-footer a{color:var(--muted);font-size:.65rem;font-weight:700;letter-spacing:.1em;text-decoration:none;text-transform:uppercase}
.network-nav a:hover,.site-footer a:hover{color:#fff}
.live-badge{text-decoration:none}
.site-footer{width:min(100% - 48px,1440px);margin:30px auto 0;padding:24px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;color:var(--muted);font-size:.65rem;letter-spacing:.1em}
.site-footer nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px 18px}
@media(max-width:1050px){.network-nav a:nth-child(n+4){display:none}}
@media(max-width:700px){.network-nav{display:none}.site-footer{align-items:flex-start;flex-direction:column}.site-footer nav{justify-content:flex-start}}