:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --panel: #ffffff;
  --line: #d8deea;
  --text: #182033;
  --muted: #69758a;
  --accent: #216bff;
  --danger: #b42318;
}

* {
  box-sizing: border-box;
}

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

button, input, textarea {
  font: inherit;
}

button {
  border: 0;
  background: var(--accent);
  color: white;
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
}

input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 10px;
  background: white;
}

textarea {
  min-height: 160px;
  resize: vertical;
  margin-top: 12px;
  font-family: Consolas, monospace;
}

.hidden {
  display: none !important;
}

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

.login-box {
  width: min(420px, calc(100vw - 32px));
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
}

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

#mainView {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 18px;
}

.topbar h1, .login-box h1 {
  margin: 0 0 6px;
}

.topbar p {
  margin: 0;
  color: var(--muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.stats-grid div, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.stats-grid div {
  padding: 14px;
}

.stats-grid span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.stats-grid strong {
  font-size: 26px;
}

.panel {
  padding: 18px;
  margin-bottom: 16px;
}

.panel h2 {
  margin: 0 0 14px;
  font-size: 18px;
}

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

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.upload-row, .job-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: end;
}

.job-form {
  grid-template-columns: 180px 1fr 1fr auto;
}

.message {
  min-height: 20px;
  margin: 10px 0 0;
  color: var(--danger);
}

.job {
  display: flex;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}

.job span {
  color: var(--muted);
}

.job em {
  color: var(--danger);
  font-style: normal;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th {
  background: #f0f3f9;
}

.mono {
  font-family: Consolas, monospace;
}

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

@media (max-width: 640px) {
  #mainView {
    padding: 12px;
  }
  .stats-grid, .grid-form, .job-form, .upload-row {
    grid-template-columns: 1fr;
  }
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}