:root {
  --bg: #ff0b9c;
  --card: #121821;
  --muted: #9fb0c0;
  --text: #e7eef5;
  --accent: #4da3ff;
  --accent-2: #00d3a7;
  --danger: #ff6b6b;
  --ring: rgba(77,163,255,0.5);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  background: linear-gradient(180deg, #0a0e13, #0d1219 50%, #0a0e13);
  color: var(--text);
}

.container {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 16px 64px;
}

.header h1 {
  margin: 0 0 8px;
  letter-spacing: 0.2px;
  font-size: 1.75rem;
}

.header p {
  margin: 0 0 24px;
  color: var(--muted);
}

.card {
  background: radial-gradient(1200px 600px at 100% -10%, rgba(0,211,167,0.08), transparent 40%),
              radial-gradient(1200px 600px at -10% 120%, rgba(77,163,255,0.08), transparent 40%),
              var(--card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field--full { grid-column: 1 / -1; }

.label {
  font-size: 0.95rem;
  color: var(--muted);
}

input[type="date"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  outline: none;
  transition: box-shadow 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

textarea {
  min-height: 110px;
  resize: vertical;
  line-height: 1.35;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 5px var(--ring);
  background: rgba(255,255,255,0.06);
}

.checkbox {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.hint {
  color: var(--muted);
  font-size: 0.8rem;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.btn {
  appearance: none;
  border: 1px solid rgba(255,255,255,0.12);
  background: linear-gradient(180deg, rgba(77,163,255,0.18), rgba(77,163,255,0.12));
  color: var(--text);
  padding: 10px 16px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.btn:hover { box-shadow: 0 10px 20px rgba(77,163,255,0.12); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 6px var(--ring); }

.btn--ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.2);
}

.hidden { display: none; }

.result-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 16px;
  margin: 8px 0 4px;
}

.result-label {
  font-size: 0.85rem;
  color: var(--muted);
}

.result-value {
  margin-top: 6px;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.notes {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.footer {
  margin-top: 20px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 780px) {
  .grid { grid-template-columns: 1fr; }
  .result-row { grid-template-columns: 1fr; }
}