:root{--card2:rgba(255,255,255,.035);--input:rgba(255,255,255,.04);--work-bg:#eef2f7;--work-border:#d7dee9;--work-card:#ffffff;--work-card-border:#d8e0ea;--work-soft:#4b6365;--work-text:#102a2c;--work-chip:#f6faf9;--work-shadow:0 12px 24px rgba(15,23,42,.08);--thumb-border:#e5eaf1}
.tool-app *{box-sizing:border-box}
.hero{max-width:1360px;margin:0 auto;padding:34px 20px 16px}
.hero h1{margin:0 0 10px;font-size:clamp(2rem,3vw,3rem);line-height:1.05;font-weight:900;letter-spacing:-.03em;-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{margin:0;max-width:940px;color:var(--soft);line-height:1.8;font-size:1rem}
.top-row{max-width:1360px;margin:0 auto 16px;padding:0 20px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.info-card,.upload-card,.toolbar-card,.summary-card,.workspace-shell,.modal-card{border:1px solid var(--border);background:var(--card);border-radius:22px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow)}
.info-card{padding:22px}
.info-title{margin:0 0 10px;font-size:1.14rem}
.info-text{margin:0;color:var(--soft);line-height:1.75}
.info-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.info-tags span{padding:8px 12px;border-radius:999px;border:1px solid var(--border);background:rgba(255,255,255,.04);color:var(--text);font-size:.78rem;font-weight:800}
.upload-card{padding:18px}
.upload-inner{min-height:220px;border:1.5px dashed rgba(99,102,241,.36);border-radius:20px;display:flex;align-items:center;justify-content:center;text-align:center;padding:28px 18px;flex-direction:column;gap:10px;background:radial-gradient(circle at top left, rgba(37,99,235,.13), transparent 36%),
    radial-gradient(circle at bottom right, rgba(124,58,237,.11), transparent 38%),
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));transition:border-color .22s ease, transform .18s ease, box-shadow .22s ease}
.upload-inner.dragover{border-color:rgba(99,102,241,.75);box-shadow:0 0 0 4px rgba(99,102,241,.12), 0 20px 40px rgba(37,99,235,.12);transform:translateY(-2px)}
.upload-icon{width:72px;height:72px;display:grid;place-items:center;border-radius:20px;font-size:2rem;border:1px solid var(--border);background:linear-gradient(135deg, rgba(37,99,235,.16), rgba(124,58,237,.16))}
.upload-inner h2{margin:2px 0 0;font-size:1.22rem}
.upload-inner p{margin:0;color:var(--soft)}
.upload-note{margin-top:6px;color:var(--soft);font-size:.82rem}
.btn-primary,.btn-outline,.btn-ghost,.btn-danger,.btn-chip,.mini-btn,.insert-btn,.ghost-light{border:none;cursor:pointer;transition:.18s ease;font-weight:800;font-family:inherit}
.btn-primary{min-height:46px;padding:0 16px;border-radius:14px;color:#fff;background:linear-gradient(90deg,var(--accent1),var(--accent2));box-shadow:0 12px 26px rgba(37,99,235,.18)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-outline,.btn-ghost,.btn-chip{min-height:44px;padding:0 15px;border-radius:14px;color:var(--text);border:1px solid var(--border);background:rgba(255,255,255,.04)}
.btn-ghost{background:rgba(255,255,255,.03)}
.btn-danger{min-height:44px;padding:0 15px;border-radius:14px;color:#fecaca;border:1px solid rgba(239,68,68,.28);background:rgba(239,68,68,.08)}
.btn-outline:hover,.btn-ghost:hover,.btn-chip:hover,.mini-btn:hover,.insert-btn:hover,.ghost-light:hover{transform:translateY(-1px)}
.btn-danger:hover{background:rgba(239,68,68,.14)}
.btn-chip{min-height:38px;padding:0 14px;border-radius:12px;font-size:.88rem}
.ghost-light{min-height:40px;padding:0 14px;border-radius:12px;color:var(--work-text);border:1px solid var(--work-card-border);background:#fff}
.toolbar-wrap{max-width:1360px;margin:0 auto 16px;padding:0 20px}
.toolbar-card{padding:14px;position:sticky;top:72px;z-index:40}
.toolbar-top{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.toolbar-left,.toolbar-right{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.toolbar-field{min-width:220px;display:flex;flex-direction:column;gap:6px}
.toolbar-field label{font-size:.76rem;font-weight:800}
.toolbar-field input,.toolbar-field select{width:100%;min-height:44px;border-radius:14px;border:1px solid var(--border);background:var(--input);color:var(--text);padding:11px 12px;font-size:.9rem;outline:none}
.toolbar-field input:focus,.toolbar-field select:focus{border-color:var(--accent1);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.action-strip{display:flex;flex-wrap:wrap;gap:10px;padding:10px;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06)}
.toolbar-meta{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}
.toolbar-badges{display:flex;flex-wrap:wrap;gap:8px}
.toolbar-badges span{padding:5px 10px;border-radius:999px;border:1px solid var(--border);background:rgba(255,255,255,.03);font-size:.72rem}
.toolbar-note{color:var(--soft);font-size:.78rem;line-height:1.6}
.progress-row{width:100%;display:flex;align-items:center;gap:12px;margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}
.progress-bar{flex:1;height:7px;border-radius:999px;overflow:hidden;background:rgba(148,163,184,.2)}
.progress-bar>div{width:0%;height:100%;background:linear-gradient(90deg,var(--accent1),var(--accent2));transition:width .22s ease}
#progressText{min-width:180px;text-align:right;color:var(--soft);font-size:.78rem}
.summary-wrap{max-width:1360px;margin:0 auto 16px;padding:0 20px;display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.summary-card{padding:15px 16px}
.summary-card small{display:block;margin-bottom:6px;color:var(--soft);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase}
.summary-card strong{display:block;font-size:1.02rem}
.workspace{max-width:1360px;margin:0 auto 40px;padding:0 20px}
.workspace-shell{padding:16px}
.workspace-panel{border-radius:24px;background:var(--work-bg);border:1px solid var(--work-border);padding:14px}
.workspace-topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.workspace-topbar h3{margin:0;color:var(--work-text);font-size:1.08rem}
.workspace-topbar p{margin:4px 0 0;color:var(--work-soft);font-size:.84rem}
.light-stats{display:flex;gap:8px;flex-wrap:wrap}
.light-stats span{padding:8px 12px;border-radius:999px;background:#fff;color:var(--work-soft);border:1px solid var(--work-card-border);font-size:.78rem;font-weight:700}
.pages-grid{display:grid;grid-template-columns:repeat(4, minmax(0,1fr));gap:16px;align-items:start}
.page-card-wrap{position:relative}
.page-card{width:100%;background:var(--work-card);border:1px solid var(--work-card-border);border-radius:18px;padding:10px;box-shadow:var(--work-shadow);transition:.18s ease}
.page-card:hover{transform:translateY(-2px)}
.page-card.selected{border-color:#4fb3b9;box-shadow:0 0 0 3px rgba(59,130,246,.14), 0 14px 28px rgba(15,23,42,.09)}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}
.card-check{display:flex;align-items:center;gap:8px}
.card-check input{width:18px;height:18px;accent-color:#0b6e75}
.card-actions{display:flex;gap:6px}
.mini-btn{width:31px;height:31px;border-radius:9px;color:#2f4a4c;border:1px solid var(--work-card-border);background:#fff;display:grid;place-items:center;font-size:.88rem}
.mini-btn:hover{background:#f6faf9}
.thumb-outer{border-radius:14px;background:#f6faf9;border:1px solid var(--thumb-border);padding:10px}
.thumb-box{width:100%;height:252px;border-radius:10px;overflow:hidden;border:1px solid #e8edf3;background:#fff;display:flex;align-items:center;justify-content:center}
.thumb-box img{max-width:100%;max-height:100%;display:block}
.thumb-fallback{text-align:center;padding:12px;color:#3f5a5c;font-size:.8rem;font-weight:700}
.page-meta{margin-top:10px}
.page-name{display:block;width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--work-card-border);background:#fff;color:var(--work-text);font-size:.82rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.page-sub{display:flex;justify-content:space-between;gap:8px;margin-top:8px;color:var(--work-soft);font-size:.74rem}
.page-kind{padding:4px 8px;border-radius:999px;border:1px solid var(--work-card-border);background:var(--work-chip);color:#3f5a5c;font-weight:700}
.insert-btn{position:absolute;right:-17px;top:50%;transform:translateY(-50%);width:34px;height:34px;border-radius:999px;border:1px dashed #c5d0dd;background:#fff;color:#3f5a5c;font-size:1.15rem;display:grid;place-items:center;box-shadow:0 8px 18px rgba(15,23,42,.08);z-index:3}
.insert-btn:hover{border-color:#93c5fd;color:#0b6e75;box-shadow:0 0 0 5px rgba(37,99,235,.10), 0 10px 22px rgba(15,23,42,.08)}
.start-add{margin-bottom:14px;display:flex;justify-content:flex-start}
.start-add button{min-height:38px;padding:0 14px;border-radius:12px;border:1px dashed #c5d0dd;background:#fff;color:#3f5a5c;font-weight:800}
.empty-state{min-height:340px;border:1px dashed #c6d4d2;border-radius:20px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;gap:10px;background:linear-gradient(180deg,#f6faf9,#eef2f1)}
.empty-state .big{font-size:2.2rem}
.empty-state h3{margin:0;font-size:1.15rem;color:var(--work-text)}
.empty-state p{margin:0;color:var(--work-soft);max-width:560px;line-height:1.7;padding:0 16px}
.bottom-bar{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:14px 16px;border:1px solid var(--work-card-border);border-radius:18px;background:#fff}
.bottom-summary{display:flex;flex-wrap:wrap;gap:10px;color:var(--work-soft);font-size:.86rem}
.bottom-summary span{padding:7px 11px;border-radius:999px;border:1px solid var(--work-card-border);background:#f6faf9}
.bottom-actions{display:flex;gap:10px;flex-wrap:wrap}
.overlay{position:fixed;inset:0;background:rgba(15,23,42,.22);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;padding:20px;z-index:120}
.overlay.show{display:flex}
.modal-card{width:min(100%,360px);padding:18px;background:#fff;border:1px solid #dbe3ee;border-radius:22px;box-shadow:0 24px 60px rgba(15,23,42,.18)}
.modal-card h3{margin:0 0 14px;text-align:center;color:#102a2c;font-size:1.08rem}
.modal-actions{display:grid;gap:10px}
.modal-actions button{min-height:40px;border-radius:12px;border:1px solid #d8e1eb;background:#f6faf9;color:#102a2c;font-weight:800}
.modal-actions button:hover{background:#eef2f7}
.modal-actions .cancel-btn{background:#fff}
.modal-actions .cancel-btn:hover{background:#f6faf9}
.sortable-ghost{opacity:.35}
.sortable-drag{transform:rotate(2deg)}
@media (max-width:1200px){
.pages-grid{grid-template-columns:repeat(3, minmax(0,1fr))}
}
@media (max-width:920px){
.top-row{grid-template-columns:1fr}
.toolbar-card{top:64px}
.summary-wrap{grid-template-columns:repeat(3,1fr)}
.pages-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
}
@media (max-width:760px){
.toolbar-card{position:relative;top:auto}
.toolbar-top{flex-direction:column;align-items:stretch}
.toolbar-left,.toolbar-right{width:100%}
.action-strip{width:100%}
}
@media (max-width:560px){
.summary-wrap{grid-template-columns:repeat(2,1fr)}
.pages-grid{grid-template-columns:1fr}
.thumb-box{height:300px}
.insert-btn{right:-10px}
}
@media (max-width:420px){
.summary-wrap{grid-template-columns:1fr}
}

/* page overrides */
.tool-app{--soft:var(--zl-muted);--work-bg:var(--zl-surface-2);--work-border:var(--zl-line);--work-card:var(--zl-surface);--work-card-border:var(--zl-line);--work-soft:var(--zl-muted);--work-text:var(--zl-ink);--work-chip:var(--zl-surface-2);--work-shadow:none;--thumb-border:var(--zl-line)}
.tool-app .summary-card,.tool-app .toolbar-card,.tool-app .workspace-shell{backdrop-filter:none;-webkit-backdrop-filter:none;box-shadow:none}
.tool-app .summary-card small{color:var(--zl-muted);font-size:12.5px;letter-spacing:.04em}
.tool-app .summary-card strong{color:var(--zl-ink);font:600 18px var(--zl-font-head)}
.tool-app .toolbar-note,.tool-app #progressText{color:var(--zl-muted);font-size:14px}
.tool-app .workspace-topbar p{font-size:14px}
.tool-app .ghost-light,.tool-app .start-add button{min-height:42px;padding:0 16px;border-radius:999px;border:1.5px solid var(--zl-line-2);background:var(--zl-surface);color:var(--zl-ink);font:500 14.5px var(--zl-font-head)}
.tool-app .ghost-light:hover,.tool-app .start-add button:hover{border-color:var(--zl-accent);transform:none}
.tool-app .ghost-light.danger-light{color:var(--zl-danger)}
.tool-app .action-strip{background:transparent;border:0;padding:0;gap:8px}
.tool-app .mini-btn{width:38px;height:38px;min-height:38px;padding:0;border-radius:10px;color:var(--zl-ink);background:var(--zl-surface);border:1px solid var(--zl-line-2)}
.tool-app .mini-btn svg{display:block;flex:none}
.tool-app .delete-one-btn{color:var(--zl-danger)}
.tool-app .insert-btn{background:var(--zl-surface);color:var(--zl-accent);border:1.5px dashed var(--zl-line-2);box-shadow:none;width:36px;height:36px}
.tool-app .insert-btn:hover{border-color:var(--zl-accent);box-shadow:none}
.tool-app .page-card{box-shadow:none}
.tool-app .page-card:hover{transform:none}
.tool-app .page-card.selected{border-color:var(--zl-accent);box-shadow:0 0 0 2px var(--zl-accent)}
.tool-app .thumb-outer{background:var(--zl-surface-2)}
.tool-app .thumb-box{border-color:var(--zl-line)}
.tool-app .page-name,.tool-app .light-stats span,.tool-app .bottom-bar,.tool-app .bottom-summary span{background:var(--zl-surface);color:var(--zl-ink);border-color:var(--zl-line)}
.tool-app .page-kind{background:var(--zl-tint);color:var(--zl-accent-strong);border:0}
.tool-app .page-sub{font-size:13px}
.tool-app .empty-state{background:var(--zl-surface-2)}
.tool-app .enc-warn{margin:10px 0 0;padding:10px 14px;border-radius:12px;background:var(--zl-warning-soft);color:var(--zl-note-ink);font-size:14.5px;line-height:1.5}
.tool-app .enc-warn[hidden]{display:none}
@media (max-width:640px){.tool-app .mini-btn,.tool-app .insert-btn{width:44px;height:44px;min-height:44px}.tool-app .ghost-light{min-height:44px}}
/* Insert dialog (outside the tool container) */
#insertModal{background:rgba(8,20,21,.55);backdrop-filter:none;-webkit-backdrop-filter:none}
#insertModal .modal-card{background:var(--zl-surface);border:1px solid var(--zl-line);border-radius:20px;box-shadow:var(--zl-shadow);backdrop-filter:none;-webkit-backdrop-filter:none;font-family:var(--zl-font-body)}
#insertModal .modal-title{font:600 18px/1.3 var(--zl-font-head);color:var(--zl-ink);text-align:center;margin:0 0 14px}
#insertModal .modal-actions button{min-height:46px;border-radius:999px;border:1.5px solid var(--zl-line-2);background:var(--zl-surface);color:var(--zl-ink);font:500 15px var(--zl-font-head);cursor:pointer}
#insertModal .modal-actions button:hover{border-color:var(--zl-accent);background:var(--zl-surface)}
#insertModal .modal-actions .cancel-btn{color:var(--zl-muted)}
@media (max-width:640px){.tool-app .summary-wrap{grid-template-columns:1fr 1fr;gap:8px}.tool-app .summary-card{padding:10px 12px}}