:root {
  color-scheme: dark;
  --bg: #101513;
  --surface: #18201d;
  --surface-2: #202a26;
  --line: rgba(255, 255, 255, 0.14);
  --text: #f4f7f2;
  --muted: #a9b7af;
  --accent: #d8ff5f;
  --accent-2: #58d5c9;
  --danger: #ff755f;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(90deg, rgba(216, 255, 95, 0.06) 1px, transparent 1px),
    linear-gradient(rgba(216, 255, 95, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 18% 18%, rgba(88, 213, 201, 0.16), transparent 26rem),
    #0d1210;
  background-size: 36px 36px, 36px 36px, auto, auto;
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(640px, 1fr);
  gap: 24px;
  width: min(1440px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 24px;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-self: start;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 21, 19, 0.88);
  backdrop-filter: blur(16px);
}

.brand {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  align-items: center;
  padding-bottom: 10px;
}

.mark {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid rgba(216, 255, 95, 0.5);
  border-radius: 8px;
  background: #d8ff5f;
  color: #11170f;
  font-size: 24px;
  font-weight: 900;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 24px;
  line-height: 1.15;
}

.brand p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.panel-note {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.panel {
  display: grid;
  gap: 8px;
}

.panel.two {
  grid-template-columns: 1fr 1fr;
}

.panel.two label {
  grid-row: 1;
}

label,
.panel-head label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select {
  width: 100%;
  min-width: 0;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  outline: 0;
  background: var(--surface);
  color: var(--text);
  padding: 0 12px;
}

input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(216, 255, 95, 0.16);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-head button,
.secondary,
.primary {
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text);
  padding: 0 14px;
  font-weight: 800;
}

.panel-head button {
  height: 32px;
  padding: 0 10px;
  color: var(--accent);
}

.team-editor {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.team-editor input,
.team-editor select {
  height: 38px;
  font-size: 14px;
}

.official-list {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  padding: 12px;
}

.official-list summary {
  color: var(--accent);
  cursor: pointer;
  font-size: 13px;
  font-weight: 850;
}

.official-teams {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-height: 190px;
  overflow: auto;
  margin-top: 12px;
  padding-right: 4px;
}

.team-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.055);
  color: var(--text);
  padding: 5px 9px;
  font-size: 12px;
  font-weight: 750;
  line-height: 1;
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding-top: 4px;
}

.primary {
  border-color: transparent;
  background: var(--accent);
  color: #11170f;
}

.preview-wrap {
  display: grid;
  align-items: center;
  min-width: 0;
}

.poster {
  width: min(100%, 980px);
  aspect-ratio: 1.36 / 1;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: clamp(22px, 3vw, 34px);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}

.theme-midnight {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(135deg, #101513, #17231d 48%, #0f1918);
  background-size: 44px 44px, 44px 44px, auto;
}

.theme-paper {
  --text: #172018;
  --muted: #536157;
  --line: rgba(23, 32, 24, 0.18);
  --accent: #c5142f;
  --accent-2: #0b6d68;
  background:
    linear-gradient(90deg, rgba(23, 32, 24, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(23, 32, 24, 0.07) 1px, transparent 1px),
    #f4efe2;
  background-size: 42px 42px, 42px 42px, auto;
  color: var(--text);
}

.theme-electric {
  --accent: #67e8f9;
  --accent-2: #f2ff63;
  background:
    linear-gradient(90deg, rgba(103, 232, 249, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(103, 232, 249, 0.08) 1px, transparent 1px),
    linear-gradient(145deg, #08111f, #122344 52%, #0d1828);
  background-size: 40px 40px, 40px 40px, auto;
}

.theme-crimson {
  --text: #fff6f1;
  --muted: #f4b7ad;
  --line: rgba(255, 246, 241, 0.16);
  --accent: #ffd15a;
  --accent-2: #ff4d6d;
  background:
    linear-gradient(90deg, rgba(255, 209, 90, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(255, 209, 90, 0.06) 1px, transparent 1px),
    radial-gradient(circle at 50% 22%, rgba(255, 77, 109, 0.34), transparent 25rem),
    linear-gradient(145deg, #8e1028, #6e0f24 54%, #420817);
  background-size: 44px 44px, 44px 44px, auto, auto;
  color: var(--text);
}

.theme-gold {
  --text: #fff8df;
  --muted: #cdbf8b;
  --line: rgba(255, 248, 223, 0.15);
  --accent: #f5c95a;
  --accent-2: #7ed7c6;
  background:
    linear-gradient(90deg, rgba(245, 201, 90, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(245, 201, 90, 0.055) 1px, transparent 1px),
    linear-gradient(145deg, #090b0d, #171717 46%, #2c2412);
  background-size: 42px 42px, 42px 42px, auto;
  color: var(--text);
}

.theme-ice {
  --text: #10212a;
  --muted: #55707b;
  --line: rgba(16, 33, 42, 0.16);
  --accent: #0a8fbb;
  --accent-2: #d7193f;
  background:
    linear-gradient(90deg, rgba(10, 143, 187, 0.1) 1px, transparent 1px),
    linear-gradient(rgba(10, 143, 187, 0.08) 1px, transparent 1px),
    linear-gradient(145deg, #f8fbfc, #e9f3f6 52%, #d8e8ed);
  background-size: 40px 40px, 40px 40px, auto;
  color: var(--text);
}

.poster-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.eyebrow,
.champion-strip span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
}

.poster h2 {
  margin-top: 6px;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.02;
}

.watermark {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
}

.bracket {
  position: relative;
  display: grid;
  grid-template-columns: 0.96fr 0.86fr 0.78fr 1.5fr 0.78fr 0.86fr 0.96fr;
  gap: 14px;
  min-height: 430px;
}

.bracket-lines {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.bracket-lines .connector-line,
.bracket-lines .champion-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.bracket-lines .connector-line {
  stroke: color-mix(in srgb, var(--accent) 72%, var(--line));
  stroke-width: 2.5px;
  opacity: 0.68;
}

.bracket-lines .champion-line {
  stroke: var(--accent);
  stroke-width: 3.5px;
  opacity: 0.95;
}

.round {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  gap: 10px;
}

.round-16 {
  grid-template-rows: repeat(4, auto);
  align-content: space-between;
}

.round-8 {
  grid-template-rows: repeat(2, auto);
  align-content: space-around;
  padding: 28px 0;
}

.round-4 {
  grid-template-rows: auto;
  align-content: center;
  padding: 86px 0;
}

.round-final {
  grid-template-rows: 1fr;
  align-content: center;
  padding: 122px 0 112px;
}

.match {
  position: relative;
  display: grid;
  gap: 6px;
  min-width: 0;
}

.team {
  display: flex;
  align-items: center;
  min-width: 0;
  width: 100%;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
  color: inherit;
  padding: 5px 8px;
  text-align: left;
  font-size: 12px;
  font-weight: 850;
  line-height: 1.12;
}

.team span {
  display: block;
  min-width: 0;
  max-height: 26px;
  overflow-wrap: anywhere;
  overflow: hidden;
  word-break: keep-all;
  white-space: normal;
}

.team:hover,
.team.is-winner {
  border-color: var(--accent);
}

.team.is-winner {
  background: color-mix(in srgb, var(--accent) 24%, transparent);
}

.team.is-empty {
  color: rgba(255, 255, 255, 0.36);
}

.theme-paper .team.is-empty {
  color: rgba(23, 32, 24, 0.36);
}

.theme-ice .team.is-empty {
  color: rgba(16, 33, 42, 0.36);
}

.final-card {
  position: relative;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent) 18%, transparent), transparent),
    color-mix(in srgb, var(--accent) 10%, transparent);
  min-height: 58px;
  padding: 8px 10px;
  text-align: center;
}

.final-card small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 3px;
}

.final-card strong {
  display: block;
  max-width: 100%;
  color: var(--accent);
  font-size: 20px;
  font-weight: 900;
  line-height: 1.12;
  overflow-wrap: anywhere;
  white-space: normal;
}

.final-stage {
  position: relative;
  display: grid;
  grid-template-rows: auto auto;
  gap: 34px;
  min-height: 188px;
  align-items: center;
}

.final-match {
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.final-match .team {
  height: 42px;
  font-size: 14px;
  padding: 6px 10px;
}

.final-match .team span {
  max-height: 30px;
}

.champion-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 58px;
  margin-top: clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 8px 12px;
  text-align: center;
}

.champion-strip strong {
  max-width: 70%;
  color: var(--accent);
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.08;
  overflow-wrap: anywhere;
  text-wrap: balance;
  white-space: normal;
}

@media (max-width: 1100px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .controls {
    max-width: 760px;
    width: 100%;
    margin: 0 auto;
  }
}

@media (max-width: 760px) {
  .shell {
    padding: 14px;
  }

  .controls {
    padding: 16px;
  }

  .brand {
    grid-template-columns: 46px 1fr;
  }

  .mark {
    width: 46px;
    height: 46px;
    font-size: 20px;
  }

  h1 {
    font-size: 20px;
  }

  .panel.two,
  .team-editor,
  .actions {
    grid-template-columns: 1fr;
  }

  .poster {
    width: 980px;
    aspect-ratio: 1.36 / 1;
    margin: 0;
  }

  .preview-wrap {
    display: block;
    width: calc(100vw - 28px);
    min-height: 720px;
    margin: 0 auto;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
  }

  .preview-wrap .poster {
    scroll-snap-align: start;
  }
}