:root {
  --color-bg: #f6f8fa;
  --color-surface: #ffffff;
  --color-border: #d0d7de;
  --color-text: #1f2328;
  --color-muted: #57606a;
  --color-primary: #0969da;
  --color-primary-hover: #0860c7;
  --color-success: #1a7f37;
  --color-success-bg: #dafbe1;
  --color-danger: #cf222e;
  --color-danger-bg: #ffebe9;
  --color-warning: #9a6700;
  --color-info: #0969da;
  --color-info-bg: #ddf4ff;
  --color-badge-uploading: #8250df;
  --color-badge-building: #0969da;
  --color-badge-deploying: #0969da;
  --color-badge-running: #1a7f37;
  --color-badge-failed: #cf222e;
  --color-badge-deleted: #6e7781;

  --radius: 6px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow: 0 1px 2px rgba(31, 35, 40, 0.04), 0 1px 3px rgba(31, 35, 40, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
}

.app-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.app-header h1 { margin: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center; gap: var(--space-2); }
.app-version {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.variant-badge {
  display: inline-block;
  padding: 2px 10px;
  background: var(--color-warning);
  color: #ffffff;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.app-main {
  max-width: 960px;
  margin: var(--space-4) auto;
  padding: 0 var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 var(--space-3) 0; font-size: 18px; font-weight: 600; }

/* Form */
.field { margin-bottom: var(--space-3); }
.field label { display: block; font-weight: 600; margin-bottom: var(--space-1); }
.field input[type="text"],
.field input[type="file"] {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 14px;
  background: var(--color-surface);
  color: var(--color-text);
}
.field input:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -1px;
  border-color: var(--color-primary);
}
.field input.invalid { border-color: var(--color-danger); }
.error-text { color: var(--color-danger); font-size: 13px; display: block; margin-top: var(--space-1); }
.muted { color: var(--color-muted); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}
.btn:hover { background: var(--color-bg); }
.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn-ghost { background: transparent; }

/* Progress bar */
.progress-bar {
  width: 100%;
  height: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  overflow: hidden;
  margin-top: var(--space-3);
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), #2188ff);
  transition: width 400ms ease-out, background 200ms;
}
.progress-fill.failed { background: var(--color-danger); }
.progress-fill.done { background: var(--color-success); }

.progress-percent { font-size: 24px; font-weight: 600; margin: var(--space-3) 0 var(--space-1) 0; }
.progress-stage { margin: 0 0 var(--space-3) 0; }

/* Banners */
.banner {
  background: var(--color-info-bg);
  color: var(--color-info);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  font-size: 13px;
  margin-top: var(--space-2);
}

/* Failure + success panels */
.failure, .success { margin-top: var(--space-4); padding: var(--space-3); border-radius: var(--radius); }
.failure { background: var(--color-danger-bg); border: 1px solid var(--color-danger); }
.failure h3 { margin: 0 0 var(--space-2) 0; color: var(--color-danger); }
.success { background: var(--color-success-bg); border: 1px solid var(--color-success); }
.success h3 { margin: 0 0 var(--space-2) 0; color: var(--color-success); }
.success a { color: var(--color-primary); }

/* Dashboard */
.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}
.dashboard-header h2 { margin: 0; }

.dashboard-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.dashboard-table th,
.dashboard-table td {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
}
.dashboard-table th { font-weight: 600; color: var(--color-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
.dashboard-table tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-uploading { background: var(--color-badge-uploading); }
.badge-building  { background: var(--color-badge-building); }
.badge-deploying { background: var(--color-badge-deploying); }
.badge-running   { background: var(--color-badge-running); }
.badge-failed    { background: var(--color-badge-failed); }
.badge-deleted   { background: var(--color-badge-deleted); }

.url-cell a { color: var(--color-primary); word-break: break-all; }
.url-cell.empty { color: var(--color-muted); }

.actions-col { width: 110px; text-align: right; }
.actions-cell { text-align: right; }

.btn-danger {
  background: var(--color-danger);
  color: #ffffff;
  border-color: var(--color-danger);
}
.btn-danger:hover:not(:disabled) { filter: brightness(0.92); }
.btn-danger:disabled { opacity: 0.5; cursor: not-allowed; }

/* Outline variant: red border + red text by default, fills red with white text on hover. */
.btn-danger-outline {
  background: transparent;
  color: var(--color-danger);
  border: 1px solid var(--color-danger);
}
.btn-danger-outline:hover:not(:disabled) {
  background: var(--color-danger);
  color: #ffffff;
}
.btn-danger-outline:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-sm { padding: 4px 10px; font-size: 12px; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-3);
}
/* `.modal-overlay` beats the UA `[hidden] { display: none }` rule on specificity,
   so we need an equal-or-higher-specificity rule to re-hide the element. */
.modal-overlay[hidden] { display: none; }
.modal {
  background: var(--color-surface);
  border-radius: var(--radius);
  max-width: 480px;
  width: 100%;
  padding: var(--space-4);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.25);
}
.modal h2 { margin: 0 0 var(--space-2) 0; font-size: 18px; font-weight: 600; }
.modal-bullets { margin: var(--space-2) 0 var(--space-3) var(--space-4); }
.modal-bullets li { color: var(--color-muted); font-size: 14px; }

.modal-confirm {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: var(--space-3) 0;
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg);
  border-radius: var(--radius);
  cursor: pointer;
  user-select: none;
}
.modal-confirm input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--color-danger);
}
.modal-confirm span { font-size: 14px; font-weight: 500; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  margin-top: var(--space-3);
}