:root {
  --bg-1: #0b1b2b;
  --bg-2: #132b44;
  --card: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --text: #e9eef5;
  --muted: #9fb4c8;
  --accent: #4fd1c5;
  --accent-2: #f4a261;
  --danger: #f87171;
  --success: #34d399;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
  font-family: "Source Sans Pro", "HarmonyOS Sans", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(135deg, var(--bg-1), var(--bg-2));
  color: var(--text);
  min-height: 100vh;
}

.page {
  max-width: 1160px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  padding: 22px 24px;
  background: linear-gradient(120deg, rgba(79, 209, 197, 0.18), rgba(244, 162, 97, 0.18));
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 6px 0 6px;
  font-size: 28px;
  letter-spacing: 0.3px;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
  max-width: 720px;
}

.eyebrow {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--accent);
  margin: 0;
}

.pill {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pill span {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
  margin-top: 22px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px 20px;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.card h2 {
  margin: 6px 0 0;
  font-size: 20px;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  color: var(--muted);
  font-size: 13px;
}

input[type="text"],
input[type="number"],
input[type="password"],
input[type="file"] {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  outline: none;
  font-size: 14px;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 209, 197, 0.24);
}

.file-field input {
  padding: 8px 0 8px 12px;
}

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

.actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 6px;
}

.primary-btn,
.ghost-btn {
  border: none;
  border-radius: 10px;
  padding: 12px 16px;
  cursor: pointer;
  font-size: 14px;
  transition: transform 0.08s ease, box-shadow 0.12s ease;
}

.primary-btn {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #0f1626;
  font-weight: 700;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.28);
}

.primary-btn:hover {
  transform: translateY(-1px);
}

.ghost-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
}

.log-box {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  min-height: 360px;
  white-space: pre-line;
  font-family: "JetBrains Mono", "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  line-height: 1.4;
  overflow-y: auto;
}

.result {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}

.badge {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--border);
}

.status {
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
}

.status.running {
  color: var(--accent);
}

.status.finished {
  color: var(--success);
}

.status.error {
  color: var(--danger);
}

.badge.hint {
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }
  .hero {
    flex-direction: column;
  }
}

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

.chart-block {
  padding: 12px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.chart-title {
  color: var(--muted);
  margin: 0 0 6px;
  font-size: 14px;
}

@media (max-width: 900px) {
  .chart-area {
    grid-template-columns: 1fr;
  }
}