:root {
  --bg: #ffffff; --bg2: #f6f8fa; --bg3: #eef1f5;
  --border: #d1d9e0; --text: #1f2328; --dim: #59636e; --muted: #8b949e;
  --accent: #0969da; --green: #1a7f37; --yellow: #9a6700; --red: #cf222e;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'SF Mono', 'Fira Code', monospace;
}
:root[data-theme="dark"] {
  --bg: #0d1117; --bg2: #161b22; --bg3: #1f2733;
  --border: #30363d; --text: #e6edf3; --dim: #a5b0bc; --muted: #7d8590;
  --accent: #58a6ff; --green: #3fb950; --yellow: #d29922; --red: #f85149;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font); background: var(--bg); color: var(--text); min-height: 100vh; }

/* Header */
.s-header { padding: 18px 24px 0; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.s-header-main { display: flex; align-items: center; gap: 12px; min-width: 0; }
.s-header a { color: var(--dim); text-decoration: none; font-size: 15px; }
.s-header a:hover { color: var(--accent); }
.s-header h1 { font-size: 20px; font-weight: 600; }
.s-header-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.s-theme-btn { min-width: 102px; }

/* Content */
.s-content { padding: 16px 24px; max-width: 900px; }

/* Section label */
.s-section-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--dim); margin: 24px 0 10px; padding-top: 10px; border-top: 1px solid var(--border); }
.s-section-label:first-child { margin-top: 0; border-top: none; padding-top: 0; }

/* Task card */
.s-task { background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; margin-bottom: 10px; overflow: hidden; }
.s-task-hdr { display: flex; align-items: center; gap: 10px; padding: 12px 16px; cursor: pointer; }
.s-task-hdr:hover { background: var(--bg3); }
.s-task-name { font-weight: 600; font-size: 14px; flex: 1; }
.s-task-sched { font-size: 11px; color: var(--muted); font-family: var(--mono); }
.s-task-meta { font-size: 12px; color: var(--dim); font-family: var(--mono); }
.s-task-btns { display: flex; gap: 5px; }

/* Buttons */
.s-btn { padding: 4px 12px; border-radius: 5px; border: 1px solid var(--border); background: var(--bg); color: var(--dim); font-size: 12px; cursor: pointer; font-family: var(--font); transition: 0.15s; }
.s-btn:hover { color: var(--text); border-color: var(--dim); }
.s-btn-accent { background: rgba(9,105,218,0.08); border-color: var(--accent); color: var(--accent); }
.s-btn-accent:hover { background: rgba(9,105,218,0.15); }
.s-btn-green { background: rgba(26,127,55,0.08); border-color: var(--green); color: var(--green); }
.s-btn-green:hover { background: rgba(26,127,55,0.15); }
.s-btn-red { background: rgba(207,34,46,0.08); border-color: var(--red); color: var(--red); }
.s-btn-red:hover { background: rgba(207,34,46,0.15); }

/* Run trace */
.s-trace { padding: 6px 16px 12px; max-height: 400px; overflow-y: auto; }
.s-trace-hdr { font-size: 12px; font-weight: 600; color: var(--dim); margin-bottom: 6px; }
.s-step { display: flex; align-items: center; gap: 6px; padding: 3px 0; font-size: 12px; border-left: 2px solid var(--border); padding-left: 10px; margin-left: 6px; }
.s-step-write { border-left-color: var(--green); }
.s-step-bash { border-left-color: var(--accent); }
.s-step-live { border-left-color: var(--yellow); }
.s-step-icon { width: 16px; text-align: center; flex-shrink: 0; font-size: 11px; }
.s-step-tool { font-weight: 600; min-width: 40px; font-size: 12px; }
.s-step-detail { color: var(--dim); font-family: var(--mono); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.s-step-size { font-size: 10px; color: var(--muted); font-family: var(--mono); }
.s-step-expand { padding: 0 4px; font-size: 10px; cursor: pointer; color: var(--dim); background: none; border: none; }
.s-step-body { margin: 3px 0 6px 28px; padding: 8px 10px; background: var(--bg2); border: 1px solid var(--border); border-radius: 4px; font-size: 11px; font-family: var(--mono); line-height: 1.5; }
.s-step-body pre { margin: 0; white-space: pre-wrap; word-break: break-word; color: var(--dim); max-height: 200px; overflow: auto; }
.s-diff-del { background: rgba(207,34,46,0.08); color: var(--red); text-decoration: line-through; display: block; padding: 2px 6px; }
.s-diff-ins { background: rgba(26,127,55,0.08); color: var(--green); display: block; padding: 2px 6px; }
.s-cmd { color: var(--accent); margin-bottom: 4px; }

/* Cost breakdown */
.s-cost-breakdown { display: flex; gap: 14px; padding: 0 0 8px; flex-wrap: wrap; }
.s-cost-model { font-size: 12px; font-family: var(--mono); color: var(--text); }
.s-cost-tokens { color: var(--muted); font-size: 11px; }
.s-cost-script { color: var(--yellow); }

/* Task expanded detail */
.s-task-info { padding: 6px 16px 8px; }
.s-task-desc { font-size: 12px; color: var(--dim); margin-bottom: 3px; }
.s-task-cmd { font-size: 11px; color: var(--muted); font-family: var(--mono); }
.s-task-outputs { padding: 4px 16px 10px; }
.s-task-done { font-size: 11px; color: var(--green); font-weight: 600; }
.s-files-hdr { font-size: 12px; font-weight: 600; color: var(--dim); margin-bottom: 4px; }
.s-file-missing { color: var(--muted); font-style: italic; }

/* Step details (inside expanded item) */
.s-step-details { margin-bottom: 12px; }
.s-step-info { display: flex; align-items: center; gap: 10px; padding: 5px 0; font-size: 12px; flex-wrap: wrap; border-bottom: 1px solid var(--border); }
.s-step-info:last-child { border-bottom: none; }
.s-step-info-name { font-weight: 600; color: var(--text); min-width: 90px; }
.s-step-info-meta { color: var(--dim); font-family: var(--mono); font-size: 11px; }
.s-step-info-io { color: var(--muted); font-size: 11px; font-family: var(--mono); }
.s-io-link { color: var(--accent); cursor: pointer; text-decoration: none; }
.s-io-link:hover { text-decoration: underline; }

/* Pill detail panel */
.s-pill-detail { padding: 8px 14px; border-top: 1px solid var(--border); }

/* Skill viewer */
.s-skill-view { border-top: 1px solid var(--border); padding: 12px 16px; max-height: 350px; overflow: auto; }
.s-skill-view pre { font-size: 12px; font-family: var(--mono); line-height: 1.6; white-space: pre-wrap; word-break: break-word; color: var(--dim); margin: 0; }

/* Plan card */
.s-plan { background: var(--bg2); border: 1px solid var(--yellow); border-radius: 8px; padding: 14px 16px; margin-bottom: 10px; }
.s-plan.active { border-color: var(--green); }
.s-plan-title { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.s-plan-label { font-size: 13px; color: var(--dim); margin-bottom: 4px; }
.s-plan table { width: 100%; font-size: 12px; border-collapse: collapse; margin: 8px 0; }
.s-plan th { text-align: left; color: var(--dim); font-weight: 500; padding: 4px 8px; border-bottom: 1px solid var(--border); }
.s-plan td { padding: 4px 8px; border-bottom: 1px solid var(--border); }
.s-plan-rationale { font-size: 12px; color: var(--dim); font-style: italic; margin: 8px 0; }
.s-plan-cost { font-size: 12px; color: var(--dim); margin-bottom: 10px; }
.s-plan-actions { display: flex; gap: 8px; }
.s-plan-progress { font-size: 13px; color: var(--dim); margin-bottom: 6px; }
.s-plan-bar { height: 5px; background: var(--border); border-radius: 3px; margin-bottom: 8px; }
.s-plan-fill { height: 100%; background: var(--green); border-radius: 3px; }

/* Item card */
.s-item { background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; margin-bottom: 10px; overflow: hidden; }
.s-item-hdr { padding: 12px 16px; cursor: pointer; }
.s-item-hdr:hover { background: var(--bg3); }
.s-item-title { font-size: 14px; font-weight: 600; margin-bottom: 3px; }
.s-item-meta { font-size: 12px; color: var(--dim); }
.s-item-actions-right { float: right; display: flex; gap: 5px; margin-left: 8px; }
.s-item-status { font-size: 10px; font-weight: 600; text-transform: uppercase; padding: 2px 8px; border-radius: 4px; float: right; letter-spacing: 0.3px; }
.s-item-status.produced, .s-item-status.done { background: rgba(26,127,55,0.1); color: var(--green); }
.s-item-status.APPROVE { background: rgba(26,127,55,0.1); color: var(--green); }
.s-item-status.planned, .s-item-status.pending { background: rgba(139,148,158,0.12); color: var(--dim); }
.s-item-status.approved { background: rgba(9,105,218,0.1); color: var(--accent); }
.s-item-status.rejected, .s-item-status.DENY { background: rgba(207,34,46,0.1); color: var(--red); }
.s-item-status.CONDITIONS { background: rgba(154,103,0,0.1); color: var(--yellow); }

/* Step progress pills */
.s-item-steps { display: flex; gap: 5px; padding: 6px 14px 8px; flex-wrap: wrap; align-items: center; }
.s-pill { font-size: 11px; padding: 3px 10px; border-radius: 12px; font-weight: 600; letter-spacing: 0.2px; display: inline-flex; align-items: center; gap: 5px; }
.s-pill-done { background: rgba(26,127,55,0.1); color: var(--green); }
.s-pill-run { background: rgba(154,103,0,0.1); color: var(--yellow); }
.s-pill-pending { background: rgba(139,148,158,0.08); color: var(--muted); }
.s-pill-run-btn { font-size: 10px; padding: 1px 6px; border-radius: 4px; border: 1px solid currentColor; background: none; color: inherit; cursor: pointer; font-family: var(--font); font-weight: 600; }
.s-pill-run-btn:hover { background: rgba(0,0,0,0.06); }
.s-pill-rerun { opacity: 0.4; font-size: 12px; }
.s-pill-rerun:hover { opacity: 1; }
.s-pill { cursor: pointer; }
.s-pill-active { outline: 2px solid var(--accent); outline-offset: 1px; }
.s-pill-detail { padding: 8px 14px; border-top: 1px solid var(--border); }

/* Compact files (shown when item is collapsed) */
.s-item-files-compact { display: flex; gap: 4px; flex-wrap: wrap; padding: 4px 14px 8px; }
.s-file-chip { font-size: 10px; font-family: var(--mono); color: var(--dim); background: var(--bg3); padding: 1px 6px; border-radius: 3px; cursor: pointer; }
.s-file-chip:hover { color: var(--accent); }
.s-file-chip.s-file-final { font-weight: 700; color: var(--text); background: rgba(9,105,218,0.08); border: 1px solid var(--accent); }
.s-file-arrow { color: var(--muted); font-size: 11px; margin: 0 2px; }

/* Item body */
.s-item-body { padding: 0 16px 16px; }
.s-item-input { margin: 10px 0 14px; padding: 10px 12px; background: var(--bg); border: 1px dashed var(--border); border-radius: 8px; }
.s-item-input-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.s-item-input-meta { font-size: 12px; color: var(--dim); font-family: var(--mono); }
.s-item-input-help { margin-top: 6px; font-size: 12px; color: var(--muted); line-height: 1.5; }
.s-item-slides { display: flex; gap: 5px; overflow-x: auto; padding: 8px 0; }
.s-item-slide { width: 80px; height: 80px; border-radius: 4px; border: 1px solid var(--border); object-fit: cover; flex-shrink: 0; }
.s-item-caption { font-size: 13px; color: var(--dim); margin: 8px 0; white-space: pre-wrap; max-height: 120px; overflow: auto; line-height: 1.5; }

/* Output files */
.s-item-files { margin: 10px 0; }
.s-file-item { display: flex; align-items: center; gap: 6px; padding: 2px 0; font-size: 12px; }
.s-file-icon { width: 16px; text-align: center; font-size: 11px; }
.s-file-name { font-family: var(--mono); color: var(--text); font-size: 12px; }
.s-file-size { color: var(--muted); font-family: var(--mono); font-size: 11px; }

/* Compact pipeline files (collapsed item) */
.s-item-files-compact { display: flex; gap: 4px; flex-wrap: wrap; padding: 4px 14px 8px; align-items: center; }
.s-file-chip { font-size: 10px; font-family: var(--mono); color: var(--dim); background: var(--bg3); padding: 1px 6px; border-radius: 3px; cursor: pointer; }
.s-file-chip:hover { color: var(--accent); }
.s-file-chip.s-file-final { font-weight: 700; color: var(--text); background: rgba(9,105,218,0.08); border: 1px solid var(--accent); }
.s-file-arrow { color: var(--muted); font-size: 11px; margin: 0 2px; }

/* JSON as readable markdown */
.s-json-preview { max-height: 500px; }
.s-json-md { font-size: 12px; line-height: 1.6; }
.s-jv-row { padding: 1px 0; }
.s-jv-key { font-weight: 600; color: var(--text); text-transform: capitalize; }
.s-jv-str { color: var(--dim); }
.s-jv-num { color: var(--accent); font-family: var(--mono); }
.s-jv-bool { color: var(--yellow); font-family: var(--mono); }
.s-jv-null { color: var(--muted); font-style: italic; }
.s-jv-section { margin: 6px 0; }
.s-jv-nested { padding-left: 16px; border-left: 2px solid var(--border); margin: 2px 0; }
.s-jv-item { padding: 4px 0; border-bottom: 1px solid var(--border); }
.s-jv-item:last-child { border-bottom: none; }

/* Markdown preview */
.s-md-preview { line-height: 1.6; font-size: 13px; }
.s-md-h { font-size: 14px; font-weight: 700; color: var(--text); margin: 10px 0 4px; }
h2.s-md-h { font-size: 16px; margin-top: 14px; }
h3.s-md-h { font-size: 14px; }
h4.s-md-h { font-size: 13px; color: var(--dim); }
.s-md-p { margin: 2px 0; color: var(--text); }
.s-md-li { padding-left: 16px; position: relative; margin: 1px 0; color: var(--text); }
.s-md-li::before { content: '\2022'; position: absolute; left: 4px; color: var(--muted); }
.s-md-gap { height: 8px; }
.s-md-code { font-family: var(--mono); font-size: 12px; background: var(--bg3); padding: 1px 4px; border-radius: 3px; }
.s-md-link { color: var(--accent); text-decoration: none; }
.s-md-link:hover { text-decoration: underline; }

/* Reference upload */
.s-refs-upload { margin-bottom: 10px; }

/* References */
.s-refs { margin-top: 20px; }
.s-refs-hdr { font-size: 13px; font-weight: 600; color: var(--dim); cursor: pointer; padding: 10px 0; border-top: 1px solid var(--border); }
.s-refs-hdr:hover { color: var(--text); }
.s-refs-list { padding: 4px 0; }
.s-ref-item { display: flex; align-items: center; gap: 8px; padding: 3px 0; font-size: 12px; cursor: pointer; }
.s-ref-name { font-family: var(--mono); color: var(--text); font-size: 12px; flex: 1; }
.s-ref-size { color: var(--muted); font-family: var(--mono); font-size: 11px; }
.s-ref-arrow { color: var(--muted); font-size: 10px; margin-left: 4px; }
.s-ref-item:hover .s-ref-name { color: var(--accent); }
.s-refs-group-hdr { display: flex; align-items: center; margin: 10px 0 4px; padding-top: 6px; border-top: 1px solid var(--border); }
.s-refs-group-hdr:first-child { border-top: none; margin-top: 0; padding-top: 0; }
.s-refs-group-hdr .s-refs-upload { margin-left: auto; margin-bottom: 0; }
.s-refs-group-label { font-size: 10px; color: var(--dim); text-transform: uppercase; letter-spacing: 0.5px; }
.s-ref-file { font-size: 10px; color: var(--muted); }
.s-refs-group-label:first-child { border-top: none; margin-top: 0; }
.s-ref-preview { margin: 4px 0 10px 22px; padding: 10px; background: var(--bg2); border: 1px solid var(--border); border-radius: 6px; max-height: 350px; overflow: auto; }
.s-ref-preview pre { margin: 0; white-space: pre-wrap; word-break: break-word; font-size: 12px; font-family: var(--mono); color: var(--dim); line-height: 1.5; }

/* Overlay */
.s-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 100; display: flex; flex-direction: column; padding: 20px; }
.s-overlay-hdr { font-size: 14px; color: var(--dim); margin-bottom: 10px; display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.s-overlay-hdr strong { color: var(--text); }
.s-overlay-pre { flex: 1; overflow: auto; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 20px; font-size: 13px; font-family: var(--mono); white-space: pre-wrap; word-break: break-word; line-height: 1.6; }

/* New item form */
.s-new-btn { margin-left: auto; }
.s-new-form { background: var(--bg2); border: 1px solid var(--accent); border-radius: 8px; padding: 16px; margin-bottom: 14px; }
.s-new-form-title { font-size: 15px; font-weight: 600; margin-bottom: 12px; }
.s-new-field { margin-bottom: 10px; }
.s-new-field label { display: block; font-size: 11px; color: var(--dim); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.3px; }
.s-new-field input, .s-new-field textarea, .s-new-field select {
  width: 100%; padding: 8px 10px; border-radius: 5px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-family: var(--font); font-size: 13px;
}
.s-new-field textarea { min-height: 70px; resize: vertical; }
.s-new-field select { appearance: none; }
.s-new-actions { display: flex; gap: 8px; margin-top: 12px; }

/* Task info + outputs */
.s-task-info { padding: 6px 16px 8px; }
.s-task-desc { font-size: 12px; color: var(--dim); margin-bottom: 3px; }
.s-task-cmd { font-size: 11px; color: var(--muted); font-family: var(--mono); }
.s-task-outputs { padding: 6px 16px 10px; }
.s-task-done { font-size: 11px; color: var(--green); font-weight: 600; }
.s-file-missing { color: var(--muted); font-style: italic; }

/* Step details (inside expanded item) */
.s-step-details { margin-bottom: 12px; }
.s-step-info { display: flex; align-items: center; gap: 10px; padding: 5px 0; font-size: 12px; flex-wrap: wrap; border-bottom: 1px solid var(--border); }
.s-step-info:last-child { border-bottom: none; }
.s-step-info-name { font-weight: 600; color: var(--text); min-width: 90px; }
.s-step-info-meta { color: var(--dim); font-family: var(--mono); font-size: 11px; }
.s-step-info-io { color: var(--muted); font-size: 11px; font-family: var(--mono); }
.s-io-link { color: var(--accent); cursor: pointer; text-decoration: none; }
.s-io-link:hover { text-decoration: underline; }

/* JSON as readable markdown */
.s-json-preview { max-height: 500px; }
.s-json-md { font-size: 12px; line-height: 1.6; }
.s-jv-row { padding: 1px 0; }
.s-jv-key { font-weight: 600; color: var(--text); text-transform: capitalize; }
.s-jv-str { color: var(--dim); }
.s-jv-num { color: var(--accent); font-family: var(--mono); }
.s-jv-bool { color: var(--yellow); font-family: var(--mono); }
.s-jv-null { color: var(--muted); font-style: italic; }
.s-jv-section { margin: 6px 0; }
.s-jv-nested { padding-left: 16px; border-left: 2px solid var(--border); margin: 2px 0; }
.s-jv-item { padding: 4px 0; border-bottom: 1px solid var(--border); }
.s-jv-item:last-child { border-bottom: none; }

/* Reference upload */
.s-refs-upload { margin-bottom: 10px; }

/* Misc */
.s-spin { display: inline-block; animation: s-spin 1s linear infinite; }
@keyframes s-spin { to { transform: rotate(360deg); } }
.s-empty { text-align: center; padding: 40px; color: var(--muted); font-size: 14px; }
.s-empty-inline { padding: 12px 0; color: var(--muted); font-size: 13px; }

@media (max-width: 700px) {
  .s-header { padding: 12px 16px 0; flex-wrap: wrap; gap: 8px; align-items: flex-start; }
  .s-header-main { width: 100%; }
  .s-header-actions { margin-left: 0; width: 100%; }
  .s-header h1 { font-size: 17px; }
  .s-new-btn { font-size: 12px; padding: 5px 12px; }
  .s-content { padding: 10px 14px; }
  .s-task-hdr { flex-wrap: wrap; gap: 6px; padding: 10px 12px; }
  .s-task-name { width: 100%; }
  .s-task-btns { width: 100%; justify-content: flex-start; }
  .s-task-meta { width: 100%; }
  .s-item-hdr { padding: 10px 12px; }
  .s-item-steps { gap: 4px; }
  .s-item-input-row { align-items: flex-start; }
  .s-pill { font-size: 10px; padding: 2px 8px; }
  .s-pill-run-btn { font-size: 9px; padding: 1px 4px; }
  .s-plan { padding: 10px 12px; }
  .s-plan table { font-size: 11px; }
  .s-plan th, .s-plan td { padding: 3px 6px; }
  .s-step-detail { max-width: 200px; }
  .s-new-form { padding: 12px 14px; }
  .s-overlay { padding: 10px; }
  .s-overlay-hdr { flex-wrap: wrap; gap: 6px; }
  .s-overlay-pre { font-size: 11px; padding: 12px; }
  .s-ref-preview { margin-left: 10px; }
  .s-ref-preview pre { font-size: 11px; }
  .s-item-slides { gap: 4px; }
  .s-item-slide { width: 64px; height: 64px; }
}