:root {
  --bg: #f4f8ff;
  --panel: #ffffff;
  --ink: #11213a;
  --muted: #5a6882;
  --line: #d9e2f2;
  --brand: #0f62fe;
  --good: #127a46;
  --bad: #b42318;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 10%, #dbeafe 0%, transparent 38%),
    radial-gradient(circle at 95% 90%, #d1fae5 0%, transparent 30%),
    var(--bg);
}

.container {
  width: min(1200px, 96vw);
  margin: 24px auto 40px;
  display: grid;
  gap: 16px;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
}

.hero p {
  margin: 0;
  color: var(--muted);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 10px 25px rgba(16, 42, 67, 0.06);
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

button {
  border: 1px solid var(--line);
  background: #f8fbff;
  color: var(--ink);
  border-radius: 10px;
  padding: 8px 12px;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  border-color: var(--brand);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--muted);
}

.field-help {
  font-size: 0.75rem;
  line-height: 1.25;
  color: #7a879e;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  font-size: 0.95rem;
  color: var(--ink);
}

input:focus {
  outline: 2px solid #bfdbfe;
  border-color: var(--brand);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 8px;
  white-space: nowrap;
}

th {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.03em;
}

.th-help th {
  font-size: 0.72rem;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 500;
  color: #7a879e;
  white-space: normal;
  line-height: 1.3;
}

td:last-child,
th:last-child {
  text-align: right;
}

.remove {
  color: var(--bad);
  border-color: #fecaca;
  background: #fff5f5;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: #fbfdff;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.card strong {
  font-size: 1.2rem;
}

.good {
  color: var(--good);
}

.bad {
  color: var(--bad);
}

.chart {
  width: 100%;
  overflow-x: auto;
}

.chart svg {
  width: 100%;
  min-width: 720px;
  height: 260px;
  display: block;
}

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

@media (max-width: 680px) {
  .container {
    width: 95vw;
    margin-top: 14px;
  }

  .panel {
    padding: 12px;
  }
}