:root {
  --bg-app: #0b1018;
  --bg-panel: #111a27;
  --bg-panel-alt: #172234;
  --bg-hover: #1c2a3f;
  --border: #253349;
  --text-main: #e5edf7;
  --text-muted: #94a7c0;
  --accent: #4f9dff;
  --accent-strong: #2f85f4;
  --success: #41c48f;
  --danger: #ef6a6a;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow: 0 14px 40px rgba(5, 9, 16, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, #172a47 0%, var(--bg-app) 55%);
  color: var(--text-main);
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-panel-alt);
  color: var(--text-main);
  padding: 8px 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}

button:hover {
  transform: translateY(-1px);
  border-color: #3b4f6e;
}

button.primary {
  background: linear-gradient(180deg, #5ca7ff 0%, var(--accent-strong) 100%);
  border-color: #2670d6;
}

button.danger {
  border-color: #813434;
  color: #ffcaca;
}

input,
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #0f1724;
  color: var(--text-main);
}

textarea {
  min-height: 96px;
  resize: vertical;
}