:root{--bg:#07131f;--panel:#0d1d2b;--panel2:#12283a;--line:#244258;--text:#edf7ff;--muted:#8ea8ba;--accent:#7cf0c8;--accent2:#8da8ff;--danger:#ff7d91;--shadow:0 22px 60px rgba(0,0,0,.28)}
:root.light{--bg:#eef4f7;--panel:#fff;--panel2:#f4f8fa;--line:#d5e0e6;--text:#102432;--muted:#607887;--shadow:0 18px 45px rgba(20,43,58,.12)}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 85% 5%,rgba(124,240,200,.12),transparent 24%),var(--bg);color:var(--text);font:15px/1.45 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:100vh}button,input{font:inherit}.topbar{position:sticky;top:0;z-index:10;display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;padding:18px 28px;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.topbar h1{font-size:20px;margin:2px 0}.back{color:var(--text);text-decoration:none;padding:11px 14px;border:1px solid var(--line);border-radius:14px}.actions{display:flex;gap:10px}.actions button,.editor-toolbar button,.ghost{border:1px solid var(--line);background:var(--panel2);color:var(--text);border-radius:12px;padding:10px 14px;cursor:pointer}.actions #newBlank,.editor-toolbar #saveWorkbook{background:var(--accent);color:#052018;border-color:transparent;font-weight:800}main{max-width:1500px;margin:auto;padding:26px}.hero{display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:center;padding:34px;border:1px solid var(--line);background:linear-gradient(135deg,var(--panel),color-mix(in srgb,var(--panel2) 80%,var(--accent2)));border-radius:28px;box-shadow:var(--shadow)}.hero h2{font-size:clamp(28px,4vw,52px);line-height:1.04;margin:8px 0 14px;max-width:900px}.hero p{color:var(--muted);max-width:760px}.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.hero-metrics div{padding:22px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.035)}.hero-metrics strong{display:block;font-size:30px}.hero-metrics span,.eyebrow{color:var(--muted);font-size:11px;letter-spacing:.14em;text-transform:uppercase}.filters{display:flex;gap:10px;overflow:auto;padding:26px 0 10px}.filters button{white-space:nowrap;border:1px solid var(--line);background:var(--panel);color:var(--text);padding:10px 15px;border-radius:999px;cursor:pointer}.filters button.active{background:var(--accent);color:#052018;border-color:transparent}.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin:26px 0 15px}.section-head h2{margin:2px 0}.section-head input{min-width:280px;background:var(--panel);border:1px solid var(--line);color:var(--text);padding:12px 14px;border-radius:13px}.template-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.template-card{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:22px;background:var(--panel);box-shadow:0 10px 28px rgba(0,0,0,.13);transition:.2s}.template-card:hover{transform:translateY(-4px);border-color:var(--accent)}.preview{height:170px;padding:18px;background:linear-gradient(135deg,var(--tone),var(--panel2));display:flex;align-items:end}.mini-sheet{width:100%;background:rgba(255,255,255,.9);color:#17232a;padding:12px;border-radius:11px;box-shadow:0 12px 25px rgba(0,0,0,.18)}.mini-bars{display:flex;align-items:end;height:65px;gap:7px}.mini-bars i{display:block;flex:1;background:#365cd6;border-radius:5px 5px 0 0}.template-body{padding:18px}.template-body h3{margin:2px 0 7px}.template-body p{color:var(--muted);min-height:44px}.template-body footer{display:flex;justify-content:space-between;align-items:center}.template-body button{border:0;background:var(--accent);color:#052018;border-radius:10px;padding:9px 12px;font-weight:800;cursor:pointer}.badge{font-size:11px;padding:5px 8px;border-radius:999px;background:var(--panel2);color:var(--muted)}.recent-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}.recent-card{border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:18px;cursor:pointer}.recent-card:hover{border-color:var(--accent2)}.recent-card strong{display:block;margin:6px 0}.recent-card span{color:var(--muted);font-size:12px}.empty{padding:40px;border:1px dashed var(--line);border-radius:18px;color:var(--muted);text-align:center;grid-column:1/-1}dialog{width:min(96vw,1400px);height:min(92vh,980px);padding:0;border:1px solid var(--line);border-radius:24px;background:var(--bg);color:var(--text);box-shadow:var(--shadow)}dialog::backdrop{background:rgba(2,9,15,.75);backdrop-filter:blur(8px)}.dialog-shell{height:100%;display:flex;flex-direction:column}.dialog-head{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid var(--line)}.dialog-head button{background:none;border:0;color:var(--text);font-size:22px;cursor:pointer}.title-input{display:block;width:min(70vw,700px);border:0;background:transparent;color:var(--text);font-size:24px;font-weight:800;padding:3px 0}.editor-toolbar{display:flex;gap:9px;flex-wrap:wrap;padding:14px 22px;border-bottom:1px solid var(--line)}.editor-toolbar .danger{color:var(--danger)}.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:16px 22px}.summary-grid article{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:15px}.summary-grid span{display:block;color:var(--muted);font-size:12px}.summary-grid strong{font-size:23px}.sheet-wrap{overflow:auto;padding:0 22px 24px;flex:1}table{width:100%;border-collapse:separate;border-spacing:0;min-width:900px;background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden}th,td{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:9px;text-align:left}th{position:sticky;top:0;background:var(--panel2);z-index:2}td input,td select{width:100%;border:0;background:transparent;color:var(--text);padding:8px;outline:none}td input:focus{background:color-mix(in srgb,var(--accent) 12%,transparent);border-radius:7px}tfoot td{font-weight:800;background:var(--panel2)}.row-delete{border:0;background:none;color:var(--danger);cursor:pointer}@media(max-width:850px){.topbar{grid-template-columns:1fr auto}.topbar>div:nth-child(2){display:none}.hero{grid-template-columns:1fr}.hero-metrics{grid-template-columns:repeat(3,1fr)}.summary-grid{grid-template-columns:repeat(2,1fr)}.section-head{align-items:stretch;flex-direction:column}.section-head input{min-width:0;width:100%}}@media(max-width:520px){main{padding:14px}.topbar{padding:13px}.actions #newBlank{font-size:0}.actions #newBlank:after{content:'＋';font-size:18px}.hero{padding:22px}.hero-metrics{grid-template-columns:1fr}.summary-grid{grid-template-columns:1fr}.template-grid{grid-template-columns:1fr}}
@media print{body{background:white;color:black}.topbar,.hero,.filters,.section-head,.template-grid,.recent-grid,.editor-toolbar,.dialog-head button{display:none!important}dialog{position:static;width:100%;height:auto;border:0;box-shadow:none;background:white;color:black}.summary-grid article,table{border-color:#bbb;background:white}th,tfoot td{background:#eee;color:black}td input,td select{color:black}}