* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  background: radial-gradient(circle at top, #1e2452 0%, #0b0f2d 42%, #080b1f 100%);
  color: #edf1ff;
  min-height: 100vh;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #2a3368;
  background: rgba(6, 9, 27, 0.85);
  backdrop-filter: blur(8px);
}

.site-header h1 {
  margin: 0;
  font-size: 1.2rem;
  color: #86a2ff;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

nav a {
  color: #d9e2ff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

nav a:hover {
  color: #95e7ff;
}

.container {
  width: min(1040px, 92vw);
  margin: 1.5rem auto 2.5rem;
}

h2 {
  margin-top: 0;
}

.subtle {
  color: #aab8e5;
  margin: 0.5rem 0 1rem;
}

.card {
  background: rgba(15, 20, 48, 0.86);
  border: 1px solid #29315f;
  border-radius: 14px;
  padding: 1.2rem;
  margin-bottom: 1.1rem;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.22);
}

.hero {
  text-align: center;
  padding: 3rem 1.2rem;
}

.hero h2 {
  font-size: clamp(1.4rem, 2.5vw, 2.3rem);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-top: 1.2rem;
}

.btn {
  border: 0;
  border-radius: 10px;
  padding: 0.72rem 1.1rem;
  background: #3d62ff;
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.btn:hover {
  background: #5072ff;
}

.btn-accent {
  background: #ff4f7d;
}

.btn-accent:hover {
  background: #ff618b;
}

.btn-sm {
  padding: 0.46rem 0.72rem;
  font-size: 0.82rem;
}

input[type="text"],
input[type="number"],
input[type="file"] {
  width: 100%;
  border-radius: 10px;
  border: 1px solid #3a4688;
  background: #111737;
  color: #e5edff;
  padding: 0.7rem 0.82rem;
  font-size: 0.95rem;
}

input::placeholder {
  color: #7f90ca;
}

.search-bar {
  display: flex;
  gap: 0.7rem;
  align-items: center;
}

.search-bar input {
  flex: 1;
}

.section-block {
  margin-top: 1rem;
  background: rgba(11, 15, 36, 0.7);
  border: 1px solid #2b3365;
  border-radius: 12px;
  padding: 1rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.inline-actions {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.inline-actions h4,
.inline-actions h3 {
  margin: 0;
}

.upload-toolbar {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  flex-wrap: wrap;
}

.upload-toolbar input[type="file"] {
  flex: 1;
  min-width: 240px;
}

.field-label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #b8c6f8;
}

.hint {
  color: #91a1d8;
  font-size: 0.84rem;
  margin: 0 0 0.9rem;
}

.error {
  color: #ff9b9b;
}

.loading {
  color: #8fd8ff;
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.55;
}

.tier-layout {
  display: grid;
  gap: 1rem;
}

.tier-group {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 1rem;
  align-items: stretch;
}

.tier-label {
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #081126;
  min-height: 100%;
}

.tier-s .tier-label {
  background: linear-gradient(180deg, #ffd45f 0%, #f9a63d 100%);
}

.tier-a .tier-label {
  background: linear-gradient(180deg, #94efff 0%, #53b6ff 100%);
}

.tier-b .tier-label {
  background: linear-gradient(180deg, #9ef5c1 0%, #57d48e 100%);
}

.tier-c .tier-label {
  background: linear-gradient(180deg, #d8d8de 0%, #9398a8 100%);
}

.tier-items {
  display: grid;
  gap: 0.85rem;
}

.tier-item,
.vision-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0.9rem;
  padding: 0.85rem;
  border-radius: 12px;
  background: rgba(9, 13, 34, 0.8);
  border: 1px solid #26315f;
}

.tier-thumb,
.vision-preview img {
  width: 100%;
  height: 100%;
  min-height: 96px;
  object-fit: cover;
  border-radius: 10px;
  display: block;
  background: #0d122c;
}

.tier-copy h4,
.vision-copy h4 {
  margin: 0;
}

.tier-copy p,
.vision-copy p {
  margin: 0.5rem 0 0;
}

.tier-meta {
  color: #93a5de;
  font-size: 0.86rem;
}

.source-link {
  display: inline-flex;
  margin-top: 0.75rem;
  color: #8fd8ff;
  text-decoration: none;
  font-weight: 700;
}

.source-link:hover {
  color: #b6e8ff;
}

.combo-block h4 {
  margin: 0;
}

.combo-list {
  margin: 0.8rem 0 0;
  padding-left: 1.2rem;
}

.combo-list li {
  margin-bottom: 0.45rem;
}

.vision-grid {
  display: grid;
  gap: 0.9rem;
}

.vision-preview {
  align-self: start;
}

.vision-ok {
  border-color: #2f7f68;
}

.vision-error {
  border-color: #8b3d58;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.28rem 0.58rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  background: rgba(76, 97, 186, 0.28);
  color: #dfe8ff;
}

.pill-ok {
  background: rgba(74, 190, 132, 0.18);
  color: #97f0bd;
}

.pill-error {
  background: rgba(255, 107, 107, 0.18);
  color: #ffb5b5;
}

.player-entry {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.player-entry input {
  flex: 1;
  min-width: 180px;
}

#player-list,
#ban-list-setup {
  list-style: none;
  margin: 0.8rem 0 0;
  padding: 0;
}

.player-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  border-bottom: 1px solid #253060;
  padding: 0.52rem 0;
}

.btn-remove {
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #ff90a8;
  font-size: 1rem;
  cursor: pointer;
}

.toolbar {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.share-link {
  display: block;
  margin-top: 0.35rem;
  color: #92d7ff;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.83rem;
  word-break: break-all;
}

#bracket-display {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.bracket-round {
  min-width: 250px;
}

.bracket-round h3 {
  margin: 0 0 0.6rem;
  color: #9cb2ff;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.match-card {
  background: rgba(13, 18, 43, 0.85);
  border: 1px solid #2c386f;
  border-radius: 10px;
  padding: 0.75rem;
  margin-bottom: 0.75rem;
}

.match-done {
  border-color: #6ca0ff;
}

.match-bye {
  border-style: dashed;
  color: #9dc2ff;
}

.match-players {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.vs {
  font-size: 0.76rem;
  color: #87a0e4;
  text-align: center;
}

.winner {
  color: #8df9c1;
  font-weight: 700;
}

.score-entry {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.55rem;
}

.score-input {
  width: 74px;
  padding: 0.45rem;
}

.champion-card {
  margin-top: 1rem;
  border-radius: 12px;
  padding: 1rem 1.2rem;
  text-align: center;
  font-size: 1.2rem;
  background: linear-gradient(135deg, #2a77ff 0%, #ff4d7a 100%);
  color: #fff;
  box-shadow: 0 10px 18px rgba(0, 0, 0, 0.25);
}

@media (max-width: 700px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .search-bar {
    flex-direction: column;
  }

  .search-bar .btn,
  .search-bar button {
    width: 100%;
  }

  .player-entry {
    flex-direction: column;
  }

  .score-entry {
    flex-wrap: wrap;
  }

  .tier-group,
  .tier-item,
  .vision-card {
    grid-template-columns: 1fr;
  }

  .tier-label {
    min-height: 70px;
  }
}