:root{
  --dark:#1a2b3c;--mid:#2d4a6b;--accent:#3a7bd5;--accent-l:#e8f1fb;
  --amber:#b36200;--amber-l:#fff3e0;--red:#a32d2d;--red-l:#fdf0f0;
  --green:#1a6b3a;--green-l:#eaf5ee;--border:#d0dae6;--bg:#f4f6fa;
  --surface:#fff;--text:#1a2b3c;--muted:#6b7a8d;
  --font:'Segoe UI',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
html,body{height:100%;font-family:var(--font);background:var(--bg);color:var(--text);font-size:13px;}
.shell{display:grid;grid-template-columns:220px 1fr;grid-template-rows:52px 1fr;height:100vh;overflow:hidden;}
.topbar{grid-column:1/-1;background:var(--dark);display:flex;align-items:center;padding:0 16px;gap:10px;z-index:20;box-shadow:0 2px 8px rgba(0,0,0,.3);}
.logo{color:white;font-size:15px;font-weight:700;letter-spacing:-.4px;}.logo span{color:#3a7bd5;}
.version{font-size:9px;background:rgba(255,255,255,.1);color:rgba(255,255,255,.45);padding:2px 7px;border-radius:8px;}
.proj-btn{display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:7px;padding:5px 11px;cursor:pointer;color:rgba(255,255,255,.85);font-size:11px;min-width:140px;max-width:200px;}
.proj-btn:hover{background:rgba(255,255,255,.12);}
.save-badge{font-size:10px;padding:2px 8px;border-radius:10px;font-weight:600;}
.pills{margin-left:auto;display:flex;gap:4px;}
.pill{font-size:11px;padding:4px 12px;border-radius:20px;border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.6);background:none;cursor:pointer;font-family:var(--font);}
.pill:hover{color:white;}
.pill.active{background:var(--accent);border-color:var(--accent);color:white;}
.sidebar{background:var(--dark);overflow-y:auto;display:flex;flex-direction:column;}
.sb-inner{padding:12px 0;flex:1;}
.sb-stats{display:grid;grid-template-columns:1fr 1fr;gap:5px;padding:0 12px 8px;}
.sb-stat{background:rgba(255,255,255,.06);border-radius:8px;padding:8px 10px;}
.sb-n{font-size:22px;font-weight:700;color:white;line-height:1;}
.sb-l{font-size:10px;color:rgba(255,255,255,.4);margin-top:2px;}
.sb-lbl{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.28);padding:10px 12px 4px;}
.sb-item{display:flex;align-items:center;gap:7px;padding:5px 12px;cursor:pointer;color:rgba(255,255,255,.6);font-size:11px;}
.sb-item:hover{background:rgba(255,255,255,.06);color:white;}
.sb-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0;}
.sb-cnt{margin-left:auto;font-size:10px;background:rgba(255,255,255,.12);padding:1px 6px;border-radius:8px;}
.sb-bottom{padding:10px 12px;border-top:1px solid rgba(255,255,255,.07);}
.sb-btn{width:100%;font-size:11px;color:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.1);border-radius:6px;padding:6px;cursor:pointer;background:none;font-family:var(--font);text-align:center;margin-bottom:4px;}
.sb-btn:hover{background:rgba(255,255,255,.07);}
.main{overflow:hidden;display:flex;flex-direction:column;}
.view{display:none;flex-direction:column;height:100%;overflow:hidden;}
.view.active{display:flex;}
.scroll{flex:1;overflow-y:auto;padding:20px;}
.cfg-bar{background:var(--surface);border-bottom:1px solid var(--border);padding:9px 16px;display:flex;align-items:center;gap:12px;flex-shrink:0;flex-wrap:wrap;}
.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:14px;}
label.lbl{display:block;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:4px;}
input,select,textarea{width:100%;padding:8px 11px;border:1px solid var(--border);border-radius:7px;font-size:12px;font-family:var(--font);color:var(--text);background:var(--surface);}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(58,123,213,.08);}
textarea{resize:vertical;}
.g2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px;}
.g3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin-bottom:12px;}
.btn{padding:9px 18px;font-size:12px;font-weight:700;background:var(--accent);color:white;border:none;border-radius:8px;cursor:pointer;font-family:var(--font);display:inline-flex;align-items:center;gap:6px;}
.btn:hover:not(:disabled){background:#2d6bc4;}
.btn:disabled{opacity:.5;cursor:not-allowed;}
.btn-full{width:100%;justify-content:center;}
.btn-ghost{padding:6px 12px;font-size:11px;background:transparent;border:1px solid var(--border);border-radius:7px;cursor:pointer;font-family:var(--font);color:var(--text);}
.btn-ghost:hover{background:var(--bg);}
.btn-edit{padding:4px 10px;font-size:11px;font-weight:600;background:var(--accent-l);border:1px solid #b8d4f5;border-radius:6px;cursor:pointer;color:var(--accent);font-family:var(--font);}
.btn-edit:hover{background:#d0e6f8;}
.btn-del{padding:4px 8px;font-size:11px;background:transparent;border:1px solid #f5c0c0;border-radius:6px;cursor:pointer;color:var(--red);font-family:var(--font);}
.btn-del:hover{background:var(--red-l);}
.err{background:var(--red-l);border:1px solid #f5c0c0;border-radius:7px;padding:8px 12px;color:var(--red);font-size:12px;margin-bottom:10px;}
.spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:white;border-radius:50%;animation:spin .6s linear infinite;flex-shrink:0;}
@keyframes spin{to{transform:rotate(360deg);}}
.api-banner{border:1.5px solid #f6a623;border-radius:10px;padding:12px 14px;margin-bottom:14px;display:flex;align-items:center;gap:10px;background:#fff8ee;font-size:12px;}
.api-banner.ok{border-color:#4caf50;background:#f0faf0;}
.result-card{background:#f9fff9;border:1.5px solid #b7dfca;border-radius:10px;padding:14px;margin-bottom:14px;animation:fadeIn .2s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}
.pill-row{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:10px;}
.pill2{font-size:10px;font-weight:600;padding:2px 8px;border-radius:20px;display:inline-block;}
.rc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;}
.rc-f .rfl{font-size:9px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600;margin-bottom:1px;}
.rc-f .rfv{font-size:11px;}
/* Photo */
.photo-thumb{width:56px;height:56px;border-radius:6px;object-fit:cover;border:1px solid var(--border);cursor:pointer;}
.photo-ph{width:56px;height:56px;border-radius:6px;border:1.5px dashed var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--muted);font-size:18px;background:var(--bg);}
.photo-ph:hover{border-color:var(--accent);color:var(--accent);}
/* Table */
.toolbar{padding:9px 16px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px;flex-shrink:0;flex-wrap:wrap;}
.toolbar-title{font-size:13px;font-weight:700;}
.tbl-wrap{flex:1;overflow:auto;}
table{width:100%;border-collapse:separate;border-spacing:0;font-size:11px;}
thead th{background:var(--dark);color:white;padding:8px 10px;text-align:left;font-size:9px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;white-space:nowrap;position:sticky;top:0;z-index:3;}
tbody tr{background:var(--surface);}
tbody tr:nth-child(even){background:#fafbfc;}
tbody tr:hover td{background:#f0f5ff!important;}
tbody td{padding:7px 10px;border-bottom:1px solid #eef1f5;white-space:nowrap;max-width:150px;overflow:hidden;text-overflow:ellipsis;vertical-align:middle;}
th.fcol,td.fcol{position:sticky;left:0;z-index:2;min-width:130px;}
th.fcol{z-index:4;}
td.fcol{background:var(--surface);border-right:2px solid var(--border);}
tbody tr:nth-child(even) td.fcol{background:#fafbfc;}
tbody tr:hover td.fcol{background:#f0f5ff!important;}
.tbl-photo{width:48px;height:48px;border-radius:5px;object-fit:cover;border:1px solid var(--border);cursor:pointer;}
.tbl-photo-ph{width:48px;height:48px;border-radius:5px;border:1.5px dashed var(--border);display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px;cursor:pointer;background:var(--bg);}
.tbl-photo-ph:hover{border-color:var(--accent);}
.chip{font-size:9px;font-weight:700;padding:2px 6px;border-radius:8px;display:inline-block;}
.st-sel{font-size:10px;font-weight:700;padding:2px 6px;border-radius:8px;border:none;cursor:pointer;font-family:var(--font);}
.tbl-bar{background:var(--dark);padding:4px 16px;font-size:10px;color:rgba(255,255,255,.45);display:flex;gap:18px;flex-shrink:0;}
.tbl-bar span{color:rgba(255,255,255,.65);}
/* Natspec */
.ns-group{font-size:11px;font-weight:700;color:white;background:var(--dark);padding:7px 12px;border-radius:6px;margin:14px 0 5px;}
.ns-row{display:flex;align-items:stretch;border:1px solid var(--border);border-radius:7px;margin-bottom:3px;overflow:hidden;background:var(--surface);cursor:pointer;transition:all .12s;}
.ns-row:hover,.ns-row.used{border-color:var(--accent);background:var(--accent-l);}
.ns-code{width:64px;flex-shrink:0;background:var(--bg);padding:9px;font-weight:700;font-size:11px;color:var(--accent);border-right:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-family:monospace;}
.ns-row.used .ns-code{background:var(--accent);color:white;}
.ns-body{flex:1;padding:8px 12px;}
.ns-t{font-weight:600;font-size:12px;}
.ns-d{font-size:11px;color:var(--muted);margin-top:2px;}
/* Spec output */
.spec-draft{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:14px;}
.spec-ns-block{margin-bottom:20px;}
.spec-ns-hdr{background:var(--dark);color:white;padding:10px 14px;border-radius:8px 8px 0 0;font-weight:700;font-size:12px;}
.spec-clause-row{padding:8px 14px;border-left:1px solid var(--border);border-right:1px solid var(--border);border-bottom:1px solid #eef1f5;font-size:11px;line-height:1.6;display:flex;align-items:flex-start;gap:8px;}
.spec-clause-row:last-child{border-radius:0 0 8px 8px;border-bottom:1px solid var(--border);}
.spec-clause-row.keep{background:#f9fff9;border-left:3px solid #4caf50;}
.spec-clause-row.review{background:var(--amber-l);border-left:3px solid #f6a623;}
.spec-clause-row.ref{background:var(--accent-l);border-left:3px solid var(--accent);}
.cb{font-size:9px;font-weight:700;padding:2px 6px;border-radius:8px;flex-shrink:0;margin-top:1px;}
.cb-keep{background:#c8e6c9;color:#1b5e20;}
.cb-review{background:#ffe0b2;color:#7a3b00;}
.cb-ref{background:#bbdefb;color:#0d47a1;}
/* Modal */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:100;display:flex;align-items:center;justify-content:center;padding:16px;}
.modal-bg.hidden{display:none;}
.modal{background:var(--surface);border-radius:14px;width:680px;max-width:100%;max-height:92vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 24px 64px rgba(0,0,0,.3);}
.modal-sm{width:480px;}
.modal-hdr{padding:16px 20px 12px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0;}
.modal-hdr h2{font-size:15px;font-weight:700;}
.modal-close{background:none;border:none;font-size:22px;cursor:pointer;color:var(--muted);line-height:1;}
.modal-body{padding:20px;overflow-y:auto;flex:1;}
.modal-footer{padding:12px 20px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end;flex-shrink:0;}
.es{margin-bottom:16px;}
.es-hdr{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--accent);margin-bottom:10px;padding-bottom:5px;border-bottom:1.5px solid var(--accent-l);}
/* Natspec extended fields */
.ns-ext-section{background:var(--bg);border:1px solid var(--border);border-radius:9px;padding:14px;margin-top:4px;}
.ns-ext-title{font-size:11px;font-weight:700;color:var(--dark);margin-bottom:10px;display:flex;align-items:center;gap:6px;}
.ns-ext-badge{font-size:10px;background:var(--accent-l);color:var(--accent);padding:2px 8px;border-radius:10px;font-weight:600;}
.field-review{border-color:#f6a623!important;background:#fffdf5!important;}
.field-review-label{color:#b36200;font-weight:700;}
.proj-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:9px;margin-bottom:6px;cursor:pointer;}
.proj-item:hover,.proj-item.active-p{border-color:var(--accent);background:var(--accent-l);}
.proj-icon{width:36px;height:36px;border-radius:8px;background:var(--accent-l);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;}
.new-form{background:var(--bg);border-radius:10px;padding:16px;margin-top:14px;}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:200;display:flex;align-items:center;justify-content:center;}
.lightbox.hidden{display:none;}
.lightbox img{max-width:90vw;max-height:90vh;border-radius:8px;object-fit:contain;}
.lb-close{position:absolute;top:20px;right:24px;color:white;font-size:32px;cursor:pointer;background:none;border:none;}
/* ── Import modal ── */
.col-map-row{display:grid;grid-template-columns:180px 1fr 140px;gap:10px;align-items:center;padding:7px 0;border-bottom:1px solid #eef1f5;}
.col-map-row:last-child{border-bottom:none;}
.col-map-header{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding:4px 0 8px;}
.preview-table{width:100%;border-collapse:collapse;font-size:11px;margin-top:12px;}
.preview-table th{background:var(--dark);color:white;padding:6px 8px;text-align:left;font-size:9px;font-weight:700;}
.preview-table td{padding:5px 8px;border-bottom:1px solid #eef1f5;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.preview-table tr:nth-child(even) td{background:#fafbfc;}
.import-progress{background:var(--accent-l);border:1px solid #b8d4f5;border-radius:8px;padding:12px 14px;margin-bottom:10px;}
.progress-bar{height:6px;background:#e0e0e0;border-radius:3px;overflow:hidden;margin-top:6px;}
.progress-fill{height:100%;background:var(--accent);border-radius:3px;transition:width .3s;}
.toast{position:fixed;bottom:24px;right:24px;background:var(--dark);color:white;padding:10px 18px;border-radius:9px;font-size:12px;z-index:300;opacity:0;transition:opacity .25s;pointer-events:none;}
.toast.show{opacity:1;}
::-webkit-scrollbar{width:5px;height:5px;}
::-webkit-scrollbar-thumb{background:rgba(0,0,0,.15);border-radius:3px;}