:root {
  --bg: #000;
  --fg: #fff;
  --muted: #888;
  --gold: #ffd24a;
  --gold-dim: #b8923a;
  --danger: #e04b4b;
  --panel-bg: #0d0d0d;
  --input-bg: #161616;
  --border: #2a2a2a;
  --radius: 10px;
  --btn-height: 44px;
  --panel-width: 280px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.4;
}

html, body {
  width: 100%;
  overflow-x: clip;
}

body {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: minmax(0, 1fr);
  row-gap: 32px;
}

.header {
  text-align: center;
  margin-top: 32px;
}

.header img {
  width: 280px;
  max-width: 100%;
}

.subtitle {
  color: var(--gold);
  font-size: 28px;
  letter-spacing: 4px;
  font-weight: 600;
  margin-top: 12px;
}

.container {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  padding: 0 24px;
}

/* Panels */
.panel,
.winnerCard {
  width: var(--panel-width);
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.panel h3 {
  color: var(--gold);
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1.5px;
}

/* Inputs */
input[type="text"],
input[type="number"] {
  width: 100%;
  height: var(--btn-height);
  padding: 0 12px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--fg);
  font: inherit;
  outline: none;
}

input[type="text"]:focus,
input[type="number"]:focus {
  border-color: var(--gold-dim);
}

/* Buttons — unified sizing */
.btn,
.spinBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: var(--btn-height);
  padding: 0 16px;
  border: 1px solid var(--gold-dim);
  border-radius: var(--radius);
  background: transparent;
  color: var(--gold);
  font: inherit;
  font-weight: 600;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn:hover:not(:disabled),
.spinBtn:hover:not(:disabled) {
  background: var(--gold);
  color: #000;
  border-color: var(--gold);
}

.btn:disabled,
.spinBtn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn.danger {
  border-color: #5a2222;
  color: var(--danger);
}

.btn.danger:hover {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

/* Stack form controls with consistent gap */
.stack > * + * {
  margin-top: 12px;
}

.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin-bottom: 6px;
}

.file-label {
  position: relative;
}

.file-label input {
  display: none;
}

.hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
}

/* Participant list */
.list {
  margin-top: 20px;
  max-height: 320px;
  overflow-y: auto;
  border-top: 1px solid var(--border);
}

.item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 2px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.list + .btn {
  margin-top: 16px;
}

.item .remove {
  cursor: pointer;
  color: var(--muted);
  padding: 0 6px;
  transition: color 0.15s;
}

.item .remove:hover {
  color: var(--danger);
}

/* Wheel */
.center {
  text-align: center;
}

.pointer {
  width: 0;
  height: 0;
  border-left: 18px solid transparent;
  border-right: 18px solid transparent;
  border-top: 32px solid var(--danger);
  margin: 0 auto -16px;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.6));
}

#wheel {
  margin-top: 4px;
  border-radius: 50%;
  box-shadow: 0 0 60px rgba(255, 210, 74, 0.25);
  max-width: 100%;
  height: auto;
}

.spin-wrap {
  margin-top: 24px;
  display: flex;
  justify-content: center;
}

.spinBtn {
  width: auto;
  min-width: 220px;
  padding: 0 32px;
}

/* Winner */
.winnerCard {
  position: relative;
  text-align: center;
  border-color: var(--gold-dim);
  box-shadow: 0 0 40px rgba(255, 210, 74, 0.15);
  transition: box-shadow 0.3s;
}

.confetti {
  position: absolute;
  left: -200px;
  right: -200px;
  top: -200px;
  bottom: -200px;
  width: calc(100% + 400px);
  height: calc(100% + 400px);
  pointer-events: none;
  z-index: 3;
}

.winnerCard h2,
.winnerCard #winnerName {
  position: relative;
  z-index: 2;
}

.winnerCard h2 {
  color: var(--gold);
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1.5px;
}

#winnerName {
  font-size: 28px;
  font-weight: 600;
  margin-top: 12px;
  word-break: break-word;
  min-height: 36px;
}

.glow {
  box-shadow: 0 0 80px rgba(255, 210, 74, 0.7);
}

/* Responsive: stack the three blocks on narrow screens */
@media (max-width: 900px) {
  .container {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    padding: 0 20px;
  }

  .panel,
  .winnerCard {
    width: 100%;
    max-width: 420px;
  }

  #wheel {
    width: 100%;
    max-width: 420px;
  }

  .header {
    margin-top: 24px;
  }

  .subtitle {
    font-size: 22px;
    letter-spacing: 3px;
  }
}

/* Footer */
.footer {
  text-align: center;
  padding: 12px 24px 16px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 1px;
}

.footer a {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  color: inherit;
  text-decoration: none;
  opacity: 0.75;
  transition: opacity 0.15s;
}

.footer a:hover {
  opacity: 1;
}

.footer img {
  height: 38px;
  width: auto;
}