/* === Design tokens === */
:root {
  --bg: #f4f6fb;
  --bg-soft: #eef1f8;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --border: #e3e8f0;
  --border-strong: #d2d9e6;
  --text: #0f172a;
  --text-soft: #475569;
  --text-muted: #6b7488;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-soft: #eef2ff;
  --primary-ring: rgba(79, 70, 229, 0.18);
  --accent: #0ea5e9;
  --success: #16a34a;
  --success-bg: #ecfdf5;
  --success-border: #bbf7d0;
  --warn: #b45309;
  --warn-bg: #fffbeb;
  --warn-border: #fde68a;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --info-bg: #eff6ff;
  --info-border: #bfdbfe;
  --info-text: #1d4ed8;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 8px 24px -12px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 12px 32px -8px rgba(15, 23, 42, 0.18), 0 4px 12px -4px rgba(15, 23, 42, 0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --transition: 160ms cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: "Inter", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 0% -10%, rgba(79, 70, 229, 0.08), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(14, 165, 233, 0.07), transparent 60%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-hover); }

h1, h2, h3 { color: var(--text); font-weight: 700; line-height: 1.25; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: 26px; }
h2 { font-size: 18px; }
h3 { font-size: 15px; }
p  { margin: 0; }

/* === Layout === */
.shell {
  width: 1240px;
  min-width: 1240px;
  margin: 0 auto;
  padding: 28px 28px 56px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding: 6px 4px;
}

.brand-wrap { display: grid; gap: 2px; }
.brand {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #4f46e5 0%, #0ea5e9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand-sub { color: var(--text-muted); font-size: 12px; }

/* === Tabs / Nav === */
.tabbar {
  display: flex;
  gap: 4px;
  margin-bottom: 22px;
  padding: 5px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  width: fit-content;
}

.tabbar a {
  padding: 8px 16px;
  border-radius: 8px;
  color: var(--text-soft);
  font-weight: 600;
  font-size: 13px;
  transition: all var(--transition);
  border: none;
  background: transparent;
}
.tabbar a:hover { color: var(--text); background: var(--bg-soft); }
.tabbar a.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px -4px var(--primary-ring), 0 1px 2px rgba(79, 70, 229, 0.3);
}

/* === Page sections === */
.page { display: grid; gap: 18px; }
.page-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
}

.card, .panel, .login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.card:hover { box-shadow: var(--shadow); }

.hero {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  background: linear-gradient(135deg, #ffffff 0%, #f5f7ff 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px 200px at 100% 0%, rgba(79, 70, 229, 0.1), transparent 60%);
  pointer-events: none;
}
.hero > * { position: relative; }

.hero-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* === Metric grid === */
.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.compact-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 16px;
}

.metric {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.metric::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}
.metric:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--border-strong);
}
.metric:hover::after { opacity: 1; }
.metric span {
  display: block;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.metric strong {
  display: block;
  font-size: 28px;
  font-weight: 700;
  margin-top: 6px;
  letter-spacing: -0.02em;
  color: var(--text);
}

.split { display: grid; grid-template-columns: 420px 1fr; gap: 18px; align-items: start; }

.section-head, .item-head, .toolbar, .inline-actions, .filter-bar {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}
.section-head, .item-head {
  justify-content: space-between;
  align-items: start;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.eyebrow {
  color: var(--primary);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  margin: 0 0 6px;
}
.subtle { color: var(--text-muted); font-size: 13px; line-height: 1.55; }

/* === Forms === */
form { display: grid; gap: 12px; }

input, select, textarea {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  min-height: 40px;
  background: var(--surface);
  width: 100%;
  margin-top: 4px;
  font: inherit;
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
input::placeholder, textarea::placeholder { color: #a3aabd; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
}
textarea {
  min-height: 180px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
  font-size: 13px;
}
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%23475569' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round' d='M1 1.5l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
label {
  display: grid;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* === Buttons === */
button, .primary-link, .secondary-link, .ghost-link, .ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 9px 16px;
  cursor: pointer;
  text-decoration: none;
  color: var(--text);
  font: inherit;
  font-weight: 600;
  font-size: 13px;
  min-height: 38px;
  transition: all var(--transition);
  white-space: nowrap;
}
button:hover, .ghost-button:hover, .secondary-link:hover, .ghost-link:hover {
  background: var(--bg-soft);
  border-color: var(--border-strong);
  color: var(--text);
}

button[type=submit], .primary-link {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 1px 2px rgba(79, 70, 229, 0.25), 0 4px 12px -4px var(--primary-ring);
}
button[type=submit]:hover, .primary-link:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px -2px var(--primary-ring);
}

.ghost-button, .secondary-link, .ghost-link, .mode-button { background: var(--surface); color: var(--text-soft); }

.compact-button { width: auto; padding: 8px 12px; margin: 0; min-height: 36px; font-size: 12px; }
.danger-button {
  color: var(--danger);
  border-color: var(--danger-border);
  background: var(--danger-bg);
}
.danger-button:hover { background: #fee2e2; border-color: #fca5a5; color: var(--danger); }

.logout-form { display: flex; }
.inline-form { display: inline-flex; gap: 0; margin: 0; }
.table-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* === Stack & step rows (template builder) === */
.stack { display: grid; gap: 12px; }

.step-row {
  display: grid;
  grid-template-columns: 40px 1.2fr 0.8fr 150px 80px;
  gap: 10px;
  align-items: center;
  padding: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.step-row input { margin-top: 0; min-height: 36px; }

.step-index {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  box-shadow: 0 2px 6px -2px var(--primary-ring);
}

/* === Items / Templates list === */
.item {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: 16px;
}
.item:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }

.timeline { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.timeline li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  align-items: start;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.timeline li > div { min-width: 0; }
.timeline li:hover { background: var(--surface-2); }
.timeline-index {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
  font-size: 12px;
  border: 1px solid #ddd6fe;
}

/* === Mode switch === */
.mode-switch {
  display: inline-flex;
  gap: 0;
  padding: 4px;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  width: fit-content;
}
.mode-button {
  width: auto;
  margin: 0;
  border: none;
  background: transparent;
  color: var(--text-soft);
  padding: 6px 14px;
  min-height: 32px;
  font-size: 12px;
  border-radius: 6px;
  box-shadow: none;
}
.mode-button:hover { background: rgba(255,255,255,0.6); color: var(--text); }
.mode-button.active {
  background: var(--surface);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

/* === Notice / flash === */
.notice, .flash {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  border: 1px solid var(--info-border);
  background: var(--info-bg);
  color: var(--info-text);
}
.notice strong { color: inherit; }
.notice p { margin-top: 4px; }

.flash-success { background: var(--success-bg); border-color: var(--success-border); color: #166534; }
.flash-error { background: var(--danger-bg); border-color: var(--danger-border); color: var(--danger); }
.flash-warn { background: var(--warn-bg); border-color: var(--warn-border); color: var(--warn); }

/* === Badges & pills === */
.badge, .pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 11px;
  line-height: 1.4;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge {
  background: var(--bg-soft);
  color: var(--text-soft);
  border: 1px solid var(--border);
}
.pill { font-weight: 700; padding: 4px 12px; text-transform: lowercase; }

.pill-wait, .status-waiting, .status-pending {
  background: var(--warn-bg); color: var(--warn); border: 1px solid var(--warn-border);
}
.pill-run, .status-running {
  background: var(--info-bg); color: var(--info-text); border: 1px solid var(--info-border);
}
.status-ready { background: #eef2ff; color: var(--primary); border: 1px solid #ddd6fe; }
.status-success {
  background: var(--success-bg); color: #166534; border: 1px solid var(--success-border);
}
.status-failed {
  background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border);
}
.status-partial_failed, .status-processing {
  background: #fef3c7; color: #854d0e; border: 1px solid #fde68a;
}

/* === Misc === */
.mono { font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace; font-size: 12.5px; }

.empty-state {
  padding: 40px 24px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  text-align: center;
  color: var(--text-muted);
  background: var(--surface-2);
}
.empty-state h3 { margin-bottom: 6px; color: var(--text-soft); }

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 4px 0;
}
.detail-grid > div {
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.label {
  display: block;
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* === Tables === */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-size: 13px;
}
thead tr {
  background: var(--surface-2);
}
th {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  vertical-align: middle;
}
td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--text);
}
tbody tr { transition: background var(--transition); }
tbody tr:hover { background: var(--surface-2); }
tbody tr:last-child td { border-bottom: none; }

/* === Login === */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(800px 400px at 20% 20%, rgba(79, 70, 229, 0.18), transparent 60%),
    radial-gradient(700px 400px at 80% 80%, rgba(14, 165, 233, 0.15), transparent 60%),
    linear-gradient(135deg, #eef2ff 0%, #f4f6fb 50%, #eff6ff 100%);
}
.login-card {
  width: 420px;
  margin-top: 0;
  padding: 32px 32px 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.login-card h1 {
  font-size: 24px;
  margin-bottom: 6px;
  background: linear-gradient(120deg, #4f46e5 0%, #0ea5e9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.login-card .subtle { margin-bottom: 6px; }
.login-card button { width: 100%; margin-top: 6px; padding: 12px; min-height: 44px; }

.modal-shell {
  position: fixed;
  inset: 0;
  z-index: 80;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.42);
}
.modal-card {
  position: relative;
  width: 980px;
  margin: 48px auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 20px;
}
.modal-form { gap: 14px; }
.modal-narrow { width: 640px; }

.error { color: var(--danger); font-size: 13px; }

pre {
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0;
  max-width: 360px;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  background: var(--surface-2);
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--text-soft);
}

/* === Scrollbar polish (WebKit) === */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 999px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }