:root {
  --bg: #0e0e10;
  --panel: #17171a;
  --panel-2: #1f1f24;
  --border: #2a2a30;
  --text: #f3f3f5;
  --muted: #9a9aa3;
  --accent: #3b82f6;
  --accent-2: #f4a261;
  --gold: #d4a017;
  --ok: #2a9d8f;
  --warn: #e63946;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}
#app { max-width: 960px; margin: 0 auto; padding: 24px 20px 80px; }
.loading { text-align: center; padding: 80px 20px; color: var(--muted); }

.brand {
  text-align: center;
  padding: 28px 12px 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.brand .eyebrow {
  letter-spacing: 0.3em; font-size: 11px; color: var(--accent);
  font-weight: 700; text-transform: uppercase;
}
.brand h1 { margin: 8px 0 4px; font-size: 32px; font-weight: 900; letter-spacing: -0.02em; }
.brand .subtitle { color: var(--muted); font-size: 14px; }

.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 22px; margin-bottom: 18px;
}
.card h2 { margin: 0 0 4px; font-size: 18px; }
.card .hint { color: var(--muted); font-size: 13px; margin: 0 0 16px; }

input[type="text"], input[type="number"], select {
  width: 100%; background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); padding: 12px 14px; border-radius: 10px;
  font-size: 16px; outline: none; color-scheme: dark;
}
input:focus, select:focus { border-color: var(--accent); }

button {
  background: var(--accent); color: white; border: none;
  padding: 12px 18px; border-radius: 10px;
  font-size: 15px; font-weight: 700; cursor: pointer;
  letter-spacing: 0.02em;
}
button:hover { filter: brightness(1.1); }
button.secondary {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border);
}
button.danger { background: var(--warn); }
button.ok { background: var(--ok); }
button:disabled { opacity: 0.4; cursor: not-allowed; }

.actions { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.add-row { display: flex; gap: 8px; margin-top: 8px; }
.add-row input { flex: 1; }
.add-row button { white-space: nowrap; }

.list-item {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 14px; margin-bottom: 6px;
  font-size: 14px;
}
.list-item button {
  background: transparent; color: var(--muted);
  font-size: 12px; padding: 4px 10px; border: 1px solid var(--border);
}
.list-item button:hover { color: var(--accent); border-color: var(--accent); }

.error {
  background: rgba(230, 57, 70, 0.12); border: 1px solid var(--warn);
  color: #ff8c8c; padding: 12px 14px; border-radius: 10px;
  margin-bottom: 14px; font-size: 14px;
}

.token-box {
  font-family: "Courier New", monospace;
  background: var(--panel-2); border: 1px dashed var(--border);
  padding: 10px 14px; border-radius: 8px;
  font-size: 13px; word-break: break-all; color: var(--accent-2);
}

code {
  background: var(--panel-2); padding: 2px 6px;
  border-radius: 4px; font-size: 12px; color: var(--accent-2);
}

/* Tournament list */
.tournament-row {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px;
  margin-bottom: 10px;
}
.tournament-label { font-weight: 700; font-size: 15px; }
.tournament-meta { color: var(--muted); font-size: 12px; margin-top: 3px; }
.tournament-row-actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.tournament-row-actions button { font-size: 13px; padding: 8px 12px; }

.kpi-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px; margin-bottom: 18px;
}
.kpi {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px; text-align: center;
}
.kpi .label {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--muted);
}
.kpi .value { font-size: 22px; font-weight: 800; margin-top: 4px; }

/* Match cards */
.match-card {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px;
  margin-bottom: 10px;
}
.match-card.completed { border-color: var(--ok); opacity: 0.85; }
.match-card.ready { border-color: var(--accent-2); }
.match-card.pending { border-color: var(--accent); background: rgba(59, 130, 246, 0.06); }
.match-header {
  display: flex; justify-content: space-between;
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted); margin-bottom: 8px;
}
.match-status {
  font-weight: 700;
}
.match-status.completed { color: var(--ok); }
.match-status.ready { color: var(--accent-2); }
.match-status.pending { color: var(--accent); }
.match-opps { display: grid; gap: 6px; }
.match-opp {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 12px; background: var(--bg); border-radius: 6px;
}
.match-opp.winner { background: rgba(42, 157, 143, 0.12); border-left: 3px solid var(--ok); }
.match-opp .name { font-weight: 600; font-size: 14px; }
.match-opp .score {
  font-family: "Courier New", monospace; font-weight: 800;
  color: var(--accent-2);
}
.match-actions { margin-top: 12px; }
.match-actions button { font-size: 13px; padding: 8px 14px; }

/* Proposal display */
.proposal-box {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 12px 14px;
  margin-top: 10px;
}
.proposal-header {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 6px;
  font-weight: 700;
}
.proposal-sets {
  font-family: "Courier New", monospace;
  font-size: 13px;
  color: var(--text);
}
.proposal-actions { display: flex; gap: 8px; margin-top: 10px; }
.proposal-actions button { font-size: 13px; padding: 6px 12px; }

/* Sets input */
.sets-input {
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
}
.set-row {
  display: grid;
  grid-template-columns: 60px 1fr 30px 1fr;
  gap: 8px;
  align-items: center;
}
.set-row label {
  font-size: 12px; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.1em;
}
.set-row input { padding: 8px 10px; font-size: 14px; text-align: center; }
.set-row .vs { text-align: center; color: var(--muted); font-weight: 700; }

/* Brackets viewer dark overrides */
.brackets-viewer { font-family: inherit; }
.brackets-viewer .name { color: var(--text); }
.brackets-viewer .result { color: var(--accent-2); }

/* Registration page + welcome layout */
.welcome-page {
  max-width: 560px;
  margin: 0 auto;
  padding: 40px 0 40px;
}
.welcome-hero {
  text-align: center;
  margin-bottom: 28px;
}
.welcome-eyebrow {
  letter-spacing: 0.4em; font-size: 11px; color: var(--gold);
  font-weight: 700; text-transform: uppercase; margin-bottom: 24px;
}
.welcome-icon {
  font-size: 56px; margin-bottom: 16px;
  filter: drop-shadow(0 6px 20px rgba(59, 130, 246, 0.25));
}
.welcome-title {
  margin: 0 0 10px; font-size: 36px; font-weight: 900;
  letter-spacing: -0.02em; line-height: 1.1;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.welcome-tagline {
  color: var(--muted); font-size: 14px; margin: 0; font-style: italic;
}
.welcome-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px 24px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}
.welcome-intro {
  color: var(--text); font-size: 14px; line-height: 1.7;
  margin: 0 0 14px; opacity: 0.85;
}
.welcome-step {
  display: flex; gap: 14px; align-items: flex-start;
  margin: 22px 0 16px; padding: 14px 16px;
  background: rgba(244, 162, 97, 0.06);
  border-left: 3px solid var(--accent-2);
  border-radius: 6px;
}
.step-num {
  flex-shrink: 0; width: 26px; height: 26px;
  border-radius: 50%; background: var(--accent-2); color: #1a1a1a;
  font-weight: 900; display: flex; align-items: center;
  justify-content: center; font-size: 13px;
}
.step-body h3 { margin: 0 0 4px; font-size: 14px; font-weight: 700; }
.step-body p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.5; }
.welcome-card input[type="text"] {
  font-size: 16px; padding: 12px 14px; text-align: center; margin-bottom: 10px;
}
.welcome-card input[type="text"]:focus {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(244, 162, 97, 0.15);
}
.welcome-cta { width: 100%; padding: 14px; font-size: 15px; font-weight: 700; }

/* Deadline banner */
.deadline-banner {
  background: rgba(244, 162, 97, 0.10);
  border: 1px solid var(--accent-2);
  color: var(--accent-2);
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-size: 14px;
  text-align: center;
}
.deadline-banner.closed {
  background: rgba(230, 57, 70, 0.10);
  border-color: var(--warn);
  color: var(--warn);
}
.deadline-banner .countdown {
  display: inline-block;
  margin-left: 8px;
  font-family: "Courier New", monospace;
  font-weight: 700;
}

/* Player chip grid */
.player-grid {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.player-chip {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 999px; padding: 6px 14px; font-size: 13px;
}

/* Bracket viewport with pan/zoom */
.bracket-viewport {
  position: relative;
  height: 72vh;
  min-height: 500px;
  background: linear-gradient(180deg, #fbfbfd 0%, #f3f4f7 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  user-select: none;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04);
}
.bracket-wrap {
  display: inline-block;
  cursor: grab;
  transform-origin: 0 0;
  padding: 32px 48px;
  color: #1a1a23;
  min-width: 100%;
  box-sizing: border-box;
  /* Subtle dot grid background so panning is visible */
  background-image: radial-gradient(circle, rgba(60,60,80,0.10) 1px, transparent 1px);
  background-size: 24px 24px;
}
.bracket-wrap:active { cursor: grabbing; }
.bracket-controls {
  position: absolute;
  top: 12px; right: 12px;
  display: flex; gap: 6px; z-index: 10;
}
.bracket-controls button {
  width: 38px; height: 38px; padding: 0;
  font-size: 18px; font-weight: 700;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid #d0d4dc;
  color: #1a1a23;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.10);
  display: flex; align-items: center; justify-content: center;
}
.bracket-controls button:hover { background: white; border-color: var(--accent); color: var(--accent); }
.bracket-help {
  position: absolute;
  bottom: 12px; left: 12px;
  font-size: 11px;
  color: #444;
  background: rgba(255, 255, 255, 0.92);
  padding: 6px 12px;
  border-radius: 6px;
  pointer-events: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* brackets-viewer overrides for our theme */
.brackets-viewer { font-family: inherit; }
.brackets-viewer .match { cursor: pointer; transition: filter 0.12s; }
.brackets-viewer .match:hover { filter: brightness(0.95); }
.brackets-viewer .opponents {
  background: white;
  border: 1px solid #d8dbe3;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.brackets-viewer .winner { background: rgba(42, 157, 143, 0.08) !important; }
.brackets-viewer .name { color: #1a1a23; font-weight: 600; }
.brackets-viewer .result { color: var(--accent); font-weight: 800; }
.brackets-viewer h2, .brackets-viewer h3, .brackets-viewer .round-name { color: #2a2a35; font-weight: 700; }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.15s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-content {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}
.modal-content h2 { margin: 0 0 4px; font-size: 18px; }
.modal-content .hint { margin: 0 0 16px; }
.modal-close {
  position: absolute;
  top: 10px; right: 10px;
  width: 32px; height: 32px;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}
.modal-close:hover { color: var(--text); }
.modal-meta {
  display: flex; justify-content: space-between;
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted); margin-bottom: 14px;
}