:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #0c1b32;
  --muted: #64748b;
  --blue: #2563eb;
  --green: #0f9f6e;
  --red: #c81e1e;
  --border: #d7deea;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

.topbar {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 18px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

h1, h2, p {
  margin: 0;
}

h1 {
  font-size: 30px;
  line-height: 1.1;
}

h2 {
  font-size: 20px;
  margin-bottom: 12px;
}

.topbar p, .hint, .muted-text, .label {
  color: var(--muted);
}

.layout {
  max-width: 980px;
  margin: 0 auto;
  padding: 12px 18px 40px;
  display: grid;
  gap: 14px;
}

.panel, .login-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.label {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 700;
  background: #e5edff;
  color: var(--blue);
}

.badge.ok {
  background: #dcfce7;
  color: var(--green);
}

.badge.bad {
  background: #fee2e2;
  color: var(--red);
}

.primary, .ghost, .login-box button {
  border: 1px solid var(--blue);
  background: var(--blue);
  color: white;
  padding: 13px 16px;
  border-radius: 8px;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}

.ghost {
  background: white;
  color: var(--blue);
  font-size: 15px;
}

.primary:disabled {
  opacity: 0.55;
  cursor: wait;
}

.hint {
  margin-top: 10px;
  font-size: 14px;
}

.answer {
  min-height: 92px;
  white-space: pre-wrap;
  background: #0f172a;
  color: #e5f0ff;
  border-radius: 8px;
  padding: 14px;
  overflow: auto;
  font-size: 16px;
  line-height: 1.45;
}

.preview {
  display: none;
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  margin-top: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #111827;
}

.jobs-list {
  display: grid;
  gap: 10px;
}

.job-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  display: grid;
  gap: 6px;
}

.job-item strong {
  font-size: 15px;
}

.danger {
  border-color: #fecaca;
  background: #fff7f7;
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.login-box {
  width: min(420px, 100%);
}

.login-box h1 {
  margin-bottom: 8px;
}

.login-box p {
  color: var(--muted);
  margin-bottom: 18px;
}

.login-box form {
  display: grid;
  gap: 10px;
}

.login-box input {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 13px;
  font-size: 18px;
}

.error {
  margin-top: 12px;
  color: var(--red);
  font-weight: 700;
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
  }

  h1 {
    font-size: 25px;
  }

  .status-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .primary {
    width: 100%;
  }
}