:root {
  --bg: #0f172a;
  --card: #111827;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --primary: #22c55e;
  --primary-600: #16a34a;
  --border: #1f2937;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1000px 700px at 10% -20%, rgba(34,197,94,0.2), rgba(34,197,94,0) 60%),
              radial-gradient(1000px 700px at 90% -20%, rgba(34,197,94,0.15), rgba(34,197,94,0) 60%),
              var(--bg);
  color: var(--text);
}

.card-surface {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  backdrop-filter: blur(4px);
}

.btn-primary {
  background: var(--primary);
  color: #052e16;
  border: 1px solid transparent;
}
.btn-primary:hover { background: var(--primary-600); }

.input-base, .select-base, .textarea-base {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0b1220;
  color: var(--text);
}
.muted { color: var(--muted); }

.grid-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #0c1424;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 12px;
}

.divider { border-top: 1px solid var(--border); }

/* Asegurar tamaño consistente de íconos Lucide */
.lucide { width: 20px; height: 20px; }

/* Evitar que el título "Golf App" se corte en dos líneas */
.nav-title { white-space: nowrap; }

.container {
  max-width: 1024px;
  margin: 0 auto;
  padding: 16px clamp(16px, 3vw, 24px) 56px;
}

h1 {
  font-size: 1.4rem;
  text-align: center;
  margin: 12px 0 16px;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 12px;
}
.tab-button {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 10px 8px;
  border-radius: 10px;
  font-size: 0.9rem;
}
.tab-button.active { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary) inset; }

.form {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  backdrop-filter: blur(4px);
}

.tab-content { display: none; }
.tab-content.active { display: grid; gap: 10px; }

label {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
}
input, select {
  width: 100%;
  padding: 12px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0b1220;
  color: var(--text);
}
button {
  width: auto;
  padding: 12px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0b1220;
  color: var(--text);
}
input::placeholder { color: var(--muted); }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

fieldset { border: 1px dashed var(--border); border-radius: 12px; padding: 8px 10px; }
fieldset.inline { display: grid; grid-auto-flow: column; justify-content: start; gap: 8px; align-items: center; }
.chip { display: inline-flex; align-items: center; gap: 6px; background: #0c1424; padding: 8px 10px; border-radius: 999px; border: 1px solid var(--border); }
.chip input { width: auto; }

.actions { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-top: 10px; }
button { cursor: pointer; }
button.primary { background: var(--primary); color: #052e16; font-weight: 600; }
button.primary:hover { background: var(--primary-600); color: #031b0d; }

.listado { margin-top: 24px; }
.listado ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.listado li { border: 1px solid var(--border); background: #0b1220; border-radius: 10px; padding: 10px; font-size: 0.9rem; }
.listado .muted { color: var(--muted); font-size: 0.8rem; }

@media (min-width: 720px) {
  .container { padding-bottom: 24px; }
}