:root {
  --bg: #0f172a; /* slate-900 */
  --panel: #111827; /* gray-900 */
  --panel-2: #1f2937; /* gray-800 */
  --text: #e5e7eb; /* gray-200 */
  --muted: #9ca3af; /* gray-400 */
  --primary: #6366f1; /* indigo-500 */
  --primary-600: #4f46e5; /* indigo-600 */
  --accent: #22c55e; /* green-500 */
  --accent-600: #16a34a; /* green-600 */
  --danger: #ef4444; /* red-500 */
  --shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 800px at 10% 10%, #111827 0%, #0b1222 40%, var(--bg) 100%);
}

.app {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

.screen {
  width: min(720px, 100%);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.hidden { display: none; }

.title {
  margin: 0 0 16px;
  font-size: 28px;
  letter-spacing: 0.3px;
}

.name-form { display: flex; gap: 12px; }
.name-form input {
  flex: 1;
  background: var(--panel-2);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text);
  padding: 14px 16px;
  font-size: 16px;
  border-radius: 10px;
  outline: none;
}
.name-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(99,102,241,0.15); }

.btn {
  background: var(--panel);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.12s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,0.18); }
.btn:active { transform: translateY(0); }
.btn.primary { background: var(--primary); border-color: var(--primary-600); }
.btn.primary:hover { background: var(--primary-600); }
.btn.accent { background: var(--accent); border-color: var(--accent-600); color: #041b0c; }
.btn.accent:hover { background: var(--accent-600); color: #031307; }

.greeting { margin: 0 0 6px; font-size: 24px; }
.subtitle { margin: 0 0 18px; color: var(--muted); }

.roulette-wrap {
  position: relative;
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 16px 14px 10px;
  margin: 16px 0 18px;
}

.pointer {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--accent);
  font-size: 20px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.45);
}

.roulette {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.item {
  background: var(--panel-2);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 16px 12px;
  min-height: 84px;
  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
  transition: transform 0.14s ease, border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.item .name { font-weight: 700; }
.item .tag { margin-top: 6px; font-size: 12px; color: var(--muted); }

.item.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(34,197,94,0.18);
  transform: translateY(-2px) scale(1.02);
  background: linear-gradient(180deg, rgba(34,197,94,0.08), transparent 40%);
}

/* Modal */
.modal.hidden { display: none; }
.modal { position: fixed; inset: 0; display: grid; place-items: center; z-index: 50; }
.backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(2px); }
.modal-content {
  position: relative;
  z-index: 1;
  width: min(520px, 92vw);
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.modal-title { margin: 0 0 6px; }
.project-name { margin: 0 0 10px; font-size: 20px; }
.devs ul { margin: 8px 0 0; padding-left: 18px; }
.actions { display: flex; gap: 10px; margin-top: 18px; }

/* Responsivo */
@media (max-width: 560px) {
  .name-form { flex-direction: column; }
  .roulette { grid-template-columns: 1fr 1fr; }
}