:root {
  --bg: #0f172a;
  --card: #111827;
  --muted: #94a3b8;
  --text: #e5e7eb;
  --primary: #22d3ee;
  --primary-ink: #0e7490;
  --warn: #f59e0b;
  --error: #ef4444;
  --success: #10b981;
}
* { box-sizing: border-box; }
html, body { margin:0; padding:0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Segoe UI Emoji"; }
.container{ max-width: 860px; margin: 24px auto 64px; padding: 0 16px; }
.site-header{ padding: 24px 16px; border-bottom: 1px solid #1f2937; background: linear-gradient(180deg, rgba(255,255,255,0.04), transparent); }
.logo{ font-weight: 800; font-size: 28px; letter-spacing: 1px; color: var(--primary); }
.subtitle{ color: var(--muted); font-size: 14px; margin-top: 6px; }
.site-footer{ text-align: center; color: var(--muted); padding: 24px; border-top: 1px solid #1f2937; }
.card{ background: var(--card); padding: 24px; border-radius: 16px; box-shadow: 0 10px 30px rgba(0,0,0,0.25); margin-top: 24px; }
.card h1{ margin: 0 0 12px; font-size: 24px; }
.card.success{ border: 1px solid rgba(16,185,129,0.35); }
.card.warning{ border: 1px solid rgba(245,158,11,0.35); }
.card.error{ border: 1px solid rgba(239,68,68,0.35); }
.card.info{ border: 1px solid rgba(34,211,238,0.35); }
.stack > * { margin-top: 12px; }
.grid{ display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.chip{ display: flex; align-items: center; gap: 8px; background: #0b1220; border: 1px solid #1f2937; padding: 10px 12px; border-radius: 999px; cursor: pointer; }
.chip.zero{ border-color: rgba(245,158,11,0.4); }
.chip.custom .inline{ margin-left: 6px; }
.amt-input{ width: 110px; background: #0b1220; color: var(--text); border: 1px solid #334155; border-radius: 10px; padding: 6px 10px; }
.btn, .btn-primary{ display: inline-block; padding: 10px 16px; border-radius: 999px; border: 1px solid #334155; color: var(--text); text-decoration: none; background: transparent; }
.btn-primary{ background: var(--primary); color: #0c1b1e; border-color: var(--primary-ink); font-weight: 700; }
.actions{ display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 12px; }
label input[type="radio"]{ transform: scale(1.1); }
select, input[type="number"]{ font-size: 16px; border-radius: 12px; padding: 10px 12px; border: 1px solid #334155; background: #0b1220; color: var(--text); }
legend{ color: var(--muted); margin-bottom: 8px; }
.dialog{ border: none; border-radius: 16px; padding: 0; max-width: 680px; width: 92vw; background: var(--card); color: var(--text); }
.dialog form{ padding: 24px; }
.dialog::backdrop{ background: rgba(0,0,0,0.65); }

/* ===== Links bianchi con sottolineatura blu ===== */
a:not(.btn):not(.btn-primary) {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: #3b82f6; /* blu */
  text-underline-offset: 2px;
}
a:not(.btn):not(.btn-primary):visited { color: #fff; }
a:not(.btn):not(.btn-primary):hover,
a:not(.btn):not(.btn-primary):focus {
  color: #fff;
  text-decoration-color: #60a5fa; /* blu leggermente più chiaro al passaggio */
}