:root {
  --bg-dark: #0b0f19;
  --bg-card: #131b2e;
  --bg-card-hover: #1c2742;
  --bg-input: #0f1626;
  --border-color: #233252;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  
  --sc2-blue: #38bdf8;
  --sc2-cyan: #06b6d4;
  --sc2-terran: #2563eb;
  --sc2-zerg: #9333ea;
  --sc2-protoss: #0284c7;
  --sc2-random: #059669;
  --sc2-gold: #eab308;
  --sc2-accent: #3b82f6;

  --status-scheduled: #3b82f6;
  --status-live: #ef4444;
  --status-completed: #22c55e;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header & Banner */
header {
  background: linear-gradient(180deg, #162035 0%, #0b0f19 100%);
  border-bottom: 2px solid var(--border-color);
  padding: 1.25rem 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.header-container {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-icon {
  font-size: 2.2rem;
  background: linear-gradient(135deg, var(--sc2-cyan), var(--sc2-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text h1 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: uppercase;
}

.brand-text p {
  color: var(--sc2-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
}

.header-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

/* Navigation Tabs */
nav.nav-tabs {
  background: #0f172a;
  border-bottom: 1px solid var(--border-color);
  padding: 0 2rem;
}

.nav-container {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  gap: 0.5rem;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.9rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.03);
}

.tab-btn.active {
  color: var(--sc2-blue);
  border-bottom-color: var(--sc2-blue);
  background: rgba(56, 189, 248, 0.05);
}

/* Main Container */
main.main-content {
  flex: 1;
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 2rem;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* Bracket Layout */
.bracket-section {
  margin-bottom: 2.5rem;
}

.bracket-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.bracket-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--sc2-blue);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.bracket-grid {
  display: flex;
  gap: 2rem;
  overflow-x: auto;
  padding: 1rem 0.5rem 1.5rem 0.5rem;
}

.bracket-column {
  min-width: 290px;
  max-width: 320px;
  display: flex;
  flex-direction: column;
}

.column-header {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
  text-align: center;
  padding: 0.4rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.match-list {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  flex-grow: 1;
  gap: 1.25rem;
}

/* Match Card */
.match-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: all 0.2s ease;
  position: relative;
}

.match-card:hover {
  border-color: var(--sc2-blue);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(56, 189, 248, 0.15);
}

.match-card.completed {
  border-left: 4px solid var(--status-completed);
}

.match-card.live {
  border-left: 4px solid var(--status-live);
  animation: pulse-border 2s infinite;
}

@keyframes pulse-border {
  0% { border-color: var(--status-live); }
  50% { border-color: rgba(239, 68, 68, 0.3); }
  100% { border-color: var(--status-live); }
}

.match-meta {
  background: rgba(0, 0, 0, 0.3);
  padding: 0.4rem 0.75rem;
  font-size: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.match-id {
  font-weight: 700;
  color: var(--text-muted);
}

.match-date {
  color: var(--sc2-cyan);
  font-weight: 600;
}

.match-format {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  font-size: 0.7rem;
  font-weight: 700;
}

.player-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background: transparent;
  transition: background 0.15s;
}

.player-row:last-child {
  border-bottom: none;
}

.player-row.winner {
  background: rgba(34, 197, 94, 0.1);
}

.player-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  overflow: hidden;
}

.race-badge {
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  text-transform: uppercase;
  min-width: 24px;
  text-align: center;
}

.race-terran { background: var(--sc2-terran); color: #fff; }
.race-zerg { background: var(--sc2-zerg); color: #fff; }
.race-protoss { background: var(--sc2-protoss); color: #fff; }
.race-random { background: var(--sc2-random); color: #fff; }

.player-name {
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-handicap {
  font-size: 0.7rem;
  background: rgba(234, 179, 8, 0.15);
  color: #fde047;
  border: 1px solid rgba(234, 179, 8, 0.3);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  white-space: nowrap;
}

.player-score {
  font-size: 1rem;
  font-weight: 800;
  min-width: 24px;
  text-align: right;
  color: var(--text-muted);
}

.player-row.winner .player-score {
  color: var(--status-completed);
}

.match-footer {
  padding: 0.4rem 0.75rem;
  background: rgba(0, 0, 0, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
}

.match-status-pill {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.match-status-pill.scheduled { color: var(--status-scheduled); }
.match-status-pill.live { color: var(--status-live); }
.match-status-pill.completed { color: var(--status-completed); }

/* Buttons */
.btn {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

.btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--sc2-blue);
  color: #fff;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border-color: #3b82f6;
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1d4ed8, #1e40af);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

.btn-rules {
  background: linear-gradient(135deg, #0d9488, #0284c7);
  border-color: #38bdf8;
  color: #fff;
}

.btn-rules:hover {
  background: linear-gradient(135deg, #0f766e, #0369a1);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
}

.btn-sm {
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  border-radius: 4px;
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.3);
  border-color: #ef4444;
  color: #fff;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: 1rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: #111827;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--sc2-blue);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-close:hover {
  color: #fff;
}

.modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.2);
}

/* Rules Box */
.rules-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--sc2-cyan);
  padding: 1rem 1.25rem;
  border-radius: 6px;
}

.rules-box h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--sc2-blue);
  margin-bottom: 0.6rem;
}

.rules-box ul {
  padding-left: 1.2rem;
  font-size: 0.88rem;
  line-height: 1.5;
}

.rules-box li {
  margin-bottom: 0.5rem;
  color: #e2e8f0;
}

.rules-box code {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.15rem 0.35rem;
  border-radius: 3px;
  font-family: monospace;
  color: var(--sc2-cyan);
}

/* Form Controls */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-control {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  font-size: 0.9rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--sc2-blue);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Score match inputs */
.score-box-container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.score-player-box {
  text-align: center;
}

.score-player-box .p-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.score-input {
  width: 70px;
  height: 50px;
  font-size: 1.5rem;
  font-weight: 800;
  text-align: center;
  margin: 0 auto;
}

.vs-divider {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-muted);
}

/* Schedule Table */
.table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

table.data-table th,
table.data-table td {
  padding: 0.9rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

table.data-table th {
  background: rgba(0, 0, 0, 0.4);
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

table.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Standings Card */
.standings-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .standings-grid {
    grid-template-columns: 1fr;
  }
}

.trophy-1 { color: #f59e0b; font-weight: 800; }
.trophy-2 { color: #94a3b8; font-weight: 800; }
.trophy-3 { color: #b45309; font-weight: 800; }

.badge-tag {
  background: rgba(255, 255, 255, 0.08);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* Table & Column Header Hover Tooltips */
.column-header[data-tooltip],
table.data-table th[data-tooltip] {
  position: relative;
  cursor: help;
}

.column-header[data-tooltip]:hover::after,
table.data-table th[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 6px;
  background: #0f172a;
  color: #38bdf8;
  border: 1px solid #06b6d4;
  padding: 0.6rem 0.85rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: none;
  white-space: normal;
  width: max-content;
  max-width: 260px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.85);
  z-index: 100;
  pointer-events: none;
  letter-spacing: normal;
}