:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --ink: #1f2a37;
  --muted: #52616f;
  --brand: #2f6d8f;
  --accent: #d64933;
  --good: #2d9d78;
  --bad: #c43d2b;
  --border: #d9e1ea;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--ink);
  background: linear-gradient(135deg, #eef4fb 0%, #f8fbff 40%, #f2f8f3 100%);
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: #ffffffcc;
  backdrop-filter: blur(8px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  margin: 0;
  font-size: 1.2rem;
}

nav a {
  text-decoration: none;
  color: var(--muted);
  margin-left: 18px;
  font-weight: 600;
}

nav a:hover {
  color: var(--brand);
}

.main-content {
  padding: 24px 0 40px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 18px;
}

.model-strip {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  background: #f3f9ff;
}

.card {
  background: #f9fcff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}

.card h3 {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

.card p {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 700;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th,
td {
  border-bottom: 1px solid var(--border);
  text-align: left;
  padding: 9px;
}

th {
  background: #f4f8fd;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

label {
  display: flex;
  flex-direction: column;
  font-weight: 600;
  gap: 6px;
}

input,
select,
button {
  font-size: 1rem;
  padding: 9px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

button {
  background: var(--brand);
  color: white;
  border: none;
  cursor: pointer;
  font-weight: 700;
}

button:hover {
  filter: brightness(0.95);
}

.form-action {
  grid-column: span 2;
}

.status {
  font-size: 1.1rem;
  font-weight: 700;
}

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

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

.progress-wrap {
  width: 100%;
  height: 10px;
  background: #e5edf5;
  border-radius: 999px;
  overflow: hidden;
  margin-top: 8px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #2d9d78 0%, #edae49 50%, #c43d2b 100%);
}

.recommendations {
  margin-top: 14px;
}

.recommendations ul {
  margin: 8px 0 0;
}

.recommendations li {
  margin-bottom: 6px;
}

pre {
  background: #0f1720;
  color: #dce7f7;
  padding: 10px;
  border-radius: 8px;
  overflow-x: auto;
}

@media (max-width: 900px) {
  .grid-2,
  .grid-3,
  .grid-4,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-action {
    grid-column: span 1;
  }

  nav a {
    margin-left: 10px;
    font-size: 0.9rem;
  }
}