:root {
  --bg: #0f1115;
  --surface: #181c23;
  --surface-2: #21262f;
  --border: #2c333e;
  --text: #e7ecf3;
  --text-dim: #9aa4b2;
  --accent: #4f8cff;
  --accent-hover: #6ea0ff;
  --success: #38c172;
  --danger: #e3536b;
  --warning: #f0b429;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

header.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  background: var(--surface);
}

header.topbar h1 {
  font-size: 18px;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

header.topbar nav { display: flex; gap: 16px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 18px;
}

label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 6px; }

input[type="text"], input[type="password"], textarea, select {
  width: 100%;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
}

input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  border-color: var(--accent);
}

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
button:hover { background: var(--accent-hover); }
button:disabled { background: var(--surface-2); color: var(--text-dim); cursor: not-allowed; }
button.secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
button.danger { background: var(--danger); }
button.success { background: var(--success); }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 38px;
  text-align: center;
  color: var(--text-dim);
  transition: border-color .15s, background .15s;
  cursor: pointer;
}
.dropzone.dragover { border-color: var(--accent); background: rgba(79, 140, 255, .06); color: var(--text); }
.dropzone strong { color: var(--text); }

.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row > .grow { flex: 1; min-width: 0; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 12px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.badge.waiting { color: var(--text-dim); }
.badge.running { color: var(--warning); border-color: var(--warning); }
.badge.done { color: var(--success); border-color: var(--success); }
.badge.error { color: var(--danger); border-color: var(--danger); }

.tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.tab {
  padding: 8px 16px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  font-size: 14px;
}
.tab.active { color: var(--text); border-color: var(--accent); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--text-dim); font-weight: 500; }
tr:hover td { background: rgba(255,255,255,.02); }

.preview {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 22px;
  max-height: 560px;
  overflow: auto;
  line-height: 1.55;
}
.preview h1, .preview h2, .preview h3 { margin-top: 1em; }
.preview table { font-size: 13px; }
.preview pre {
  background: #0c0f14;
  padding: 12px;
  border-radius: 6px;
  overflow: auto;
  font-size: 12.5px;
}
.preview code { background: rgba(255,255,255,.06); padding: 1px 4px; border-radius: 3px; }

.muted { color: var(--text-dim); font-size: 13px; }
.error-box {
  background: rgba(227, 83, 107, .08);
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13.5px;
  white-space: pre-wrap;
}

.kbd {
  font-family: SFMono-Regular, Consolas, monospace;
  background: var(--surface-2);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
  border: 1px solid var(--border);
}

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
.stat { background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 14px; }
.stat .v { font-size: 22px; font-weight: 600; }
.stat .l { font-size: 12px; color: var(--text-dim); margin-top: 4px; }

.toast {
  position: fixed; bottom: 22px; right: 22px;
  background: var(--surface); border: 1px solid var(--border);
  padding: 12px 18px; border-radius: 8px; font-size: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,.4);
  opacity: 0; transform: translateY(8px); transition: all .25s;
}
.toast.show { opacity: 1; transform: translateY(0); }

.hidden { display: none !important; }

.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, .55);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: min(960px, 96vw);
  max-height: 92vh;
  display: flex; flex-direction: column;
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
}
.modal-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.modal-head h3 { margin: 0; font-size: 16px; }
.modal-body { padding: 16px 22px; overflow: auto; flex: 1; }
.modal-foot {
  display: flex; justify-content: flex-end; gap: 8px;
  padding: 12px 18px;
  border-top: 1px solid var(--border);
}
.modal-close {
  background: transparent; color: var(--text-dim);
  border: none; font-size: 22px; cursor: pointer;
  line-height: 1;
}
.modal-close:hover { color: var(--text); background: transparent; }

table tr.clickable { cursor: pointer; }
table tr.clickable:hover td { background: rgba(79, 140, 255, .05); }