/* ── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0d1117;
  --surface:   #161b22;
  --border:    #30363d;
  --accent:    #58a6ff;
  --accent2:   #bc8cff;
  --text:      #e6edf3;
  --muted:     #8b949e;
  --success:   #3fb950;
  --wow:       #c79c38;
  --gw2:       #e8203c;
  --gw1:       #5b9bd5;
  --radius:    12px;
  --shadow:    0 8px 32px rgba(0,0,0,.5);
}

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── Header ───────────────────────────────────────────────── */
header {
  width: 100%;
  padding: 1.25rem 2rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header h1 { font-size: 1.4rem; letter-spacing: .04em; }
header h1 span { color: var(--accent); }

nav { display: flex; gap: .5rem; }
nav button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: .45rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: .9rem;
  transition: color .2s, border-color .2s;
}
nav button:hover, nav button.active {
  color: var(--text);
  border-color: var(--accent);
}
nav button.active { color: var(--accent); }

/* ── Main layout ──────────────────────────────────────────── */
main { width: 100%; max-width: 860px; padding: 2.5rem 1.5rem; }

/* ── Views ────────────────────────────────────────────────── */
.view { display: none; }
.view.active { display: block; }

/* ── Draw view ────────────────────────────────────────────── */
.draw-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

#btn-draw {
  position: relative;
  padding: 1rem 3rem;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: .06em;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform .15s, opacity .15s;
}
#btn-draw:hover { transform: translateY(-2px); }
#btn-draw:active { transform: translateY(0); opacity: .85; }
#btn-draw:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ── Result card ──────────────────────────────────────────── */
#result-card {
  width: 100%;
  max-width: 480px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  text-align: center;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .4s ease, transform .4s ease;
}
#result-card.visible { opacity: 1; transform: translateY(0); }

.result-label {
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .4rem;
}

.result-game {
  font-size: 1.9rem;
  font-weight: 700;
  margin-bottom: .25rem;
}
.result-game.wow  { color: var(--wow);  }
.result-game.gw2  { color: var(--gw2);  }
.result-game.gw1  { color: var(--gw1);  }

.result-char {
  font-size: 1.2rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}
.result-char strong { color: var(--text); }

.result-time { font-size: .8rem; color: var(--muted); }

/* ── Odds grid ────────────────────────────────────────────── */
.odds-section { margin-top: 3rem; }
.odds-section h2 { font-size: 1rem; color: var(--muted); margin-bottom: 1rem; }

.odds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.odds-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.odds-card h3 { font-size: .95rem; margin-bottom: .9rem; }
.odds-card h3.wow { color: var(--wow); }
.odds-card h3.gw2 { color: var(--gw2); }
.odds-card h3.gw1 { color: var(--gw1); }

.odds-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .6rem;
  font-size: .88rem;
}
.odds-bar-wrap {
  flex: 1; height: 6px;
  background: var(--border);
  border-radius: 3px;
  margin: 0 .6rem;
  overflow: hidden;
}
.odds-bar {
  height: 100%;
  border-radius: 3px;
  background: var(--accent);
  transition: width .6s ease;
}
.odds-pct { width: 3.5rem; text-align: right; color: var(--muted); font-size: .8rem; }

/* ── Stats view ───────────────────────────────────────────── */
.stats-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: .75rem;
}
.stats-header h2 { font-size: 1.15rem; }

#year-filter {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: .4rem .75rem;
  border-radius: 6px;
  font-size: .9rem;
  cursor: pointer;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.stat-card h3 { font-size: .95rem; margin-bottom: .9rem; }
.stat-card h3.wow { color: var(--wow); }
.stat-card h3.gw2 { color: var(--gw2); }
.stat-card h3.gw1 { color: var(--gw1); }

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .88rem;
  padding: .3rem 0;
  border-bottom: 1px solid var(--border);
}
.stat-row:last-child { border-bottom: none; }
.stat-count {
  background: var(--border);
  border-radius: 4px;
  padding: .15rem .5rem;
  font-size: .8rem;
  font-weight: 600;
}

/* ── Charts ───────────────────────────────────────────────── */
.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem 1rem;
  margin-bottom: 1.25rem;
}

.chart-title {
  font-size: .85rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}
.chart-title.wow { color: var(--wow); }
.chart-title.gw2 { color: var(--gw2); }
.chart-title.gw1 { color: var(--gw1); }

.charts-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}
@media (max-width: 700px) {
  .charts-row { grid-template-columns: 1fr; }
}

#stats-loading, #draw-loading {
  color: var(--muted);
  font-size: .9rem;
}

/* ── Button row ───────────────────────────────────────────── */
.btn-row {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  justify-content: center;
}

#btn-manual {
  padding: 1rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: .06em;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform .15s, border-color .2s;
}
#btn-manual:hover { transform: translateY(-2px); border-color: var(--accent2); }
#btn-manual:active { transform: translateY(0); }

/* ── History ──────────────────────────────────────────────── */
.history-section {
  width: 100%;
  max-width: 480px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .75rem;
}

.history-title {
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.btn-refresh {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 2rem;
  height: 2rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  transition: color .2s, border-color .2s, transform .3s;
}
.btn-refresh:hover { color: var(--accent); border-color: var(--accent); }
.btn-refresh.spinning { animation: spin .6s linear infinite; }

.history-row {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .4rem 0;
  border-bottom: 1px solid var(--border);
  font-size: .88rem;
}
.history-row:last-child { border-bottom: none; }

.history-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.history-dot.wow { background: var(--wow); }
.history-dot.gw2 { background: var(--gw2); }
.history-dot.gw1 { background: var(--gw1); }

.history-char { font-weight: 600; flex: 1; }
.history-game { color: var(--muted); font-size: .8rem; }
.history-date { color: var(--muted); font-size: .75rem; white-space: nowrap; }

.history-empty { color: var(--muted); font-size: .85rem; text-align: center; padding: .25rem 0; }

/* ── Modal ────────────────────────────────────────────────── */
#modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  backdrop-filter: blur(4px);
  z-index: 100;
  align-items: center;
  justify-content: center;
}
#modal-overlay.open { display: flex; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  width: min(420px, 92vw);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: .65rem;
}

.modal h2 {
  font-size: 1.1rem;
  margin-bottom: .4rem;
}

.modal label {
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: .25rem;
}

.modal select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: .55rem .75rem;
  border-radius: 6px;
  font-size: .95rem;
  cursor: pointer;
  transition: border-color .2s;
}
.modal select:focus { outline: none; border-color: var(--accent); }
.modal select:disabled { opacity: .45; cursor: not-allowed; }

.modal-actions {
  display: flex;
  gap: .6rem;
  justify-content: flex-end;
  margin-top: .75rem;
}

.btn-cancel {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: .55rem 1.2rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: .9rem;
  transition: color .2s, border-color .2s;
}
.btn-cancel:hover { color: var(--text); border-color: var(--text); }

#btn-confirm {
  border: none;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  padding: .55rem 1.4rem;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .2s;
}
#btn-confirm:disabled { opacity: .35; cursor: not-allowed; }

/* ── Spinner ──────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 1em; height: 1em;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  vertical-align: middle;
  margin-right: .4rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Error ────────────────────────────────────────────────── */
.error-msg {
  color: #f85149;
  background: #1f1117;
  border: 1px solid #6e2030;
  border-radius: 6px;
  padding: .75rem 1rem;
  font-size: .88rem;
}