:root {
  --bg: #f4f6fb;
  --ink: #0f172a;
  --muted: #475569;
  --line: #d7dee9;
  --card: #ffffff;
  --accent: #0f766e;
  --accent-2: #0284c7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at 10% 0%, #e0f2fe, #f4f6fb 35%) fixed;
  color: var(--ink);
  font-family: "Segoe UI", "Noto Sans", sans-serif;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  padding: 20px 24px;
  background: linear-gradient(120deg, #0b3b60, #0f766e);
  color: #f8fafc;
}

.topbar h1 {
  margin: 0;
  letter-spacing: 0.2px;
}

.topbar p {
  margin: 4px 0 0;
  color: #d8efff;
}

.api-config {
  display: grid;
  gap: 6px;
  min-width: 320px;
}

.layout {
  padding: 20px 24px 40px;
  display: grid;
  gap: 18px;
}

.dashboard {
  display: grid;
  gap: 16px;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

h2 {
  margin-top: 0;
}

label {
  display: block;
  margin-top: 10px;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 13px;
}

.inline {
  display: flex;
  gap: 8px;
  align-items: center;
}

input,
textarea,
button {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  padding: 10px 12px;
  font-size: 14px;
}

textarea {
  resize: vertical;
}

button {
  cursor: pointer;
  border-color: transparent;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: white;
}

button.ghost {
  background: #e2e8f0;
  color: #1e293b;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.status {
  margin-top: 12px;
  min-height: 22px;
  color: #0f172a;
  font-size: 13px;
}

.list {
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 10px;
  border: 1px solid #1e293b;
  padding: 12px;
  min-height: 140px;
  max-height: 320px;
  overflow: auto;
}

.hidden {
  display: none;
}

@media (max-width: 980px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .api-config {
    min-width: 0;
  }
}