:root {
  --bg: #f4fbfc;
  --panel: #ffffff;
  --panel-soft: #f8feff;
  --line: #d9eef2;
  --text: #164e63;
  --muted: #5f7f88;
  --accent: #0891b2;
  --accent-soft: #ecfeff;
  --accent-strong: #0e7490;
  --danger: #dc2626;
  --shadow: 0 10px 26px rgba(8,145,178,.08);
  --radius-xl: 24px;
  --radius-md: 14px;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body { margin: 0; color: var(--text); background: linear-gradient(180deg, #f9feff 0%, #eefbfd 100%); font-family: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; }
button, input, select, textarea, pre, code { font-family: inherit; }
button { cursor: pointer; }
.app-shell { display: grid; grid-template-columns: 248px minmax(0,1fr); gap: 20px; min-height: 100vh; padding: 20px; }
.sidebar { display: grid; grid-template-rows: auto auto 1fr; gap: 18px; padding: 20px; border-radius: var(--radius-xl); background: rgba(255,255,255,.92); border: 1px solid rgba(217,238,242,.92); backdrop-filter: blur(14px); box-shadow: var(--shadow); }
.brand-block { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 14px; background: #164e63; color: #fff; font-size: 14px; font-weight: 700; }
.brand-kicker, .section-label { margin: 0; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; font-size: 11px; }
.brand-block h1 { margin: 4px 0 0; font-size: 18px; line-height: 1.2; font-weight: 700; }
.side-nav { display: grid; gap: 8px; }
.nav-item { display: grid; grid-template-columns: 12px 1fr; gap: 12px; align-items: center; width: 100%; padding: 14px; border-radius: 16px; border: 1px solid transparent; background: transparent; color: var(--text); text-align: left; transition: .18s ease; }
.nav-item:hover, .nav-item.is-active { background: var(--panel); border-color: var(--line); box-shadow: 0 4px 14px rgba(8,145,178,.05); }
.nav-dot { width: 8px; height: 8px; border-radius: 999px; background: #b9d8de; }
.nav-item.is-active .nav-dot { background: var(--accent); }
.nav-item strong, .nav-item small { display: block; }
.nav-item strong { font-size: 14px; }
.nav-item small { color: var(--muted); font-size: 12px; line-height: 1.45; }
.status-card, .surface-card, .hero-card { border-radius: var(--radius-xl); border: 1px solid rgba(217,238,242,.95); background: rgba(255,255,255,.94); box-shadow: var(--shadow); }
.status-card { align-self: end; padding: 16px; }
.status-banner { margin-top: 8px; padding: 12px 14px; border-radius: 14px; font-size: 13px; }
.status-banner.pending { background: #fefce8; color: #a16207; }
.status-banner.ok { background: #f0fdf4; color: #15803d; }
.status-banner.error { background: #fef2f2; color: var(--danger); }
.main-shell { display: grid; gap: 18px; align-content: start; }
.panel { display: none; }
.panel.is-active { display: grid; gap: 18px; }
.hero-card { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(320px,.8fr); gap: 18px; padding: 24px; }
.hero-copy h2 { margin: 8px 0 10px; font-size: 34px; line-height: 1.08; }
.lead-text { margin: 0; color: var(--muted); line-height: 1.7; max-width: 720px; }
.hero-metrics { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.metric-card { display: grid; gap: 6px; padding: 16px; border-radius: 18px; border: 1px solid var(--line); background: var(--panel-soft); }
.workspace-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; align-items: stretch; }
.surface-card { padding: 22px; height: 100%; display: grid; align-content: start; }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.card-head.compact { margin-bottom: 14px; }
.card-head h3 { margin: 6px 0 0; font-size: 22px; font-weight: 700; }
.stack-grid { display: grid; gap: 18px; }
.section-block { display: grid; gap: 14px; padding: 18px; border-radius: 18px; border: 1px solid var(--line); background: #fff; }
.section-block--soft { background: var(--panel-soft); }
.field-stack { display: grid; gap: 16px; }
.two-column-fields { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
label { display: grid; gap: 8px; }
label > span { color: var(--muted); font-size: 13px; }
input, select { width: 100%; min-height: 48px; padding: 0 14px; border-radius: var(--radius-md); border: 1px solid var(--line); background: #fff; color: var(--text); outline: none; font-size: 14px; }
.path-input-wrap { display: grid; grid-template-columns: 1fr 52px; gap: 10px; align-items: center; }
.path-display-input { min-height: 46px; border-radius: 12px; border: 1px solid var(--line); background: #fff; color: var(--text); font-size: 14px; }
.folder-trigger { width: 52px; height: 46px; border-radius: 12px; border: 1px solid var(--line); background: #fff; display: grid; place-items: center; color: var(--accent-strong); }
.checkbox-group { display: flex; flex-wrap: wrap; gap: 10px 14px; }
.checkbox-group.stacked { display: grid; gap: 10px; margin-top: 12px; }
.checkbox-group label, .toggle-row { display: inline-flex !important; align-items: center; gap: 8px; color: var(--text) !important; font-size: 14px; }
.checkbox-group input, .toggle-row input { width: auto; min-height: auto; }
.action-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.action-row--end { margin-top: auto; padding-top: 6px; }
.primary-btn { min-height: 50px; padding: 0 18px; border: none; border-radius: 14px; background: var(--accent); color: #fff; font-size: 14px; font-weight: 700; box-shadow: 0 10px 20px rgba(8,145,178,.18); }
.secondary-btn { margin-top: 14px; }
.upload-zone-wrap { display: grid; gap: 14px; }
.compact-upload-zone { min-height: 188px; }
.upload-zone { border: 1.5px dashed #b9dfe6; border-radius: 24px; background: #fcfeff; display: grid; place-items: center; gap: 10px; padding: 26px; text-align: center; color: var(--text); }
.upload-zone__icon { width: 58px; height: 58px; border-radius: 18px; display: grid; place-items: center; background: #ecfeff; color: var(--accent); font-size: 24px; }
.upload-zone__title { font-size: 17px; font-weight: 700; }
.upload-zone__hint { color: var(--muted); font-size: 13px; max-width: 420px; line-height: 1.6; }
.upload-actions { display: flex; gap: 10px; }
.upload-actions--split > * { flex: 1; }
.dual-actions { display: grid; grid-template-columns: repeat(2, minmax(132px,1fr)); gap: 10px; width: min(100%,320px); }
.dual-actions__btn { width: 100%; }
.local-selection-box { border: 1px solid var(--line); border-radius: 18px; background: var(--panel-soft); padding: 16px; }
.local-selection-result, .result-box { margin: 0; min-height: 140px; overflow: auto; padding: 18px; border-radius: 18px; border: 1px solid var(--line); background: #fbfeff; color: var(--text); line-height: 1.65; }
.result-box { min-height: 240px; max-height: none; white-space: pre-wrap; word-break: break-word; }
.save-toast { position: fixed; left: 50%; top: 50%; transform: translate(-50%, -50%) scale(.96); padding: 18px 28px; border-radius: 18px; background: rgba(22,78,99,.96); color: #fff; font-size: 18px; font-weight: 700; box-shadow: 0 24px 60px rgba(8,145,178,.28); opacity: 0; pointer-events: none; transition: .2s ease; z-index: 1200; display: block; }
.save-toast.is-visible { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.modal-backdrop { position: fixed; inset: 0; display: none; align-items: center; justify-content: center; background: rgba(22,78,99,.16); padding: 24px; z-index: 1000; backdrop-filter: blur(8px); }
.modal-backdrop.is-open { display: flex; }
.modal-card { width: min(680px,100%); max-height: 88vh; display: grid; grid-template-rows: auto 1fr auto; border-radius: 28px; background: rgba(255,255,255,.97); border: 1px solid rgba(217,238,242,.95); box-shadow: 0 24px 60px rgba(8,145,178,.14); overflow: hidden; }
.modal-card--confirm { width: min(560px,100%); }
.confirm-modal-body { display: grid; gap: 12px; padding: 8px 26px 0; }
.confirm-modal-summary { margin: 0; font-size: 18px; font-weight: 700; color: var(--text); }
.confirm-modal-hint { margin: 0; color: var(--muted); line-height: 1.7; font-size: 14px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 24px 26px 14px; }
.modal-head h3 { margin: 0; font-size: 16px; font-weight: 700; }
.modal-close { width: 36px; height: 36px; border: none; border-radius: 10px; background: transparent; color: var(--muted); font-size: 28px; line-height: 1; }
.modal-tree { min-height: 380px; max-height: 56vh; overflow: auto; padding: 4px 26px 8px; display: grid; gap: 6px; align-content: start; }
.modal-tree-row { display: grid; grid-template-columns: 34px minmax(0,1fr); gap: 8px; align-items: center; padding: 2px 0 2px calc(var(--depth) * 14px); }
.modal-folder-btn, .modal-path-btn, .footer-btn { color: var(--text); }
.modal-folder-btn { width: 30px; height: 30px; border: none; background: transparent; padding: 0; font-size: 15px; border-radius: 8px; }
.modal-path-btn { width: 100%; min-height: 32px; border: none; background: transparent; text-align: left; padding: 0 8px; border-radius: 10px; }
.modal-empty { min-height: 180px; display: flex; align-items: center; justify-content: center; color: var(--muted); }
.modal-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 26px 22px; border-top: 1px solid #edf9fb; }
.modal-current { color: var(--muted); font-size: 14px; }
.modal-actions { display: flex; gap: 10px; }
.footer-btn { min-height: 42px; padding: 0 18px; border-radius: 12px; border: 1px solid var(--line); background: #fff; }
.footer-btn--primary { background: var(--accent); border-color: var(--accent); color: #fff; }
@media (max-width: 1280px) { .app-shell, .workspace-grid, .hero-card { grid-template-columns: 1fr; } }
@media (max-width: 820px) { .app-shell { padding: 16px; } .hero-metrics, .two-column-fields, .dual-actions { grid-template-columns: 1fr; } .card-head, .modal-footer, .action-row { display: grid; grid-template-columns: 1fr; } .path-input-wrap { grid-template-columns: 1fr 52px; } .modal-tree-row { grid-template-columns: 30px minmax(0,1fr); padding-left: 0; } .upload-actions { flex-direction: column; } .modal-card--confirm { width: min(100%,560px); } }