:root{color:#25252d;background:#f6f7fb;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--purple: #6c5ce7;--purple-dark: #5748cc;--purple-soft: #eeebff;--ink: #25252d;--muted: #777987;--line: #e8e8ee;--card: #ffffff;--sidebar: #fbfbfd;--green: #1f9d84;--shadow: 0 12px 38px rgba(41, 38, 67, .07)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:#f6f7fb}button,input,select{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid rgba(108,92,231,.25);outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;clip-path:inset(50%)}.app-shell{display:flex;min-height:100vh}.file-sidebar{position:fixed;inset:0 auto 0 0;z-index:30;display:flex;width:286px;flex-direction:column;border-right:1px solid var(--line);background:var(--sidebar);padding:24px 18px 18px}.sidebar-brand{display:flex;align-items:center;gap:11px;padding:0 6px}.sidebar-brand strong{display:block;font-family:Inter,ui-sans-serif,sans-serif;font-size:17px;letter-spacing:-.35px}.sidebar-brand small{display:block;margin-top:1px;color:#9495a1;font-size:10.5px;letter-spacing:.04em}.brand-mark{display:flex;width:36px;height:36px;align-items:flex-end;justify-content:center;gap:3px;border-radius:11px;background:var(--purple);box-shadow:0 7px 16px #6c5ce742;padding-bottom:9px}.brand-mark span{width:4px;border-radius:4px;background:#fff}.brand-mark span:nth-child(1){height:9px;opacity:.72}.brand-mark span:nth-child(2){height:16px}.brand-mark span:nth-child(3){height:12px;opacity:.86}.sidebar-close{display:none!important;margin-left:auto}.primary-button,.secondary-button,.danger-button{display:inline-flex;min-height:40px;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:0 15px;border:0;font-weight:700;font-size:13px;cursor:pointer;transition:.16s ease}.primary-button{color:#fff;background:var(--purple);box-shadow:0 6px 16px #6c5ce730}.primary-button:hover{background:var(--purple-dark);transform:translateY(-1px)}.secondary-button{color:#4e4e5a;border:1px solid #dedee6;background:#fff}.secondary-button:hover{border-color:#cbc7ef;color:var(--purple-dark);background:#faf9ff}.danger-button{color:#fff;background:#df5362}.danger-button:hover{background:#cb4352}.add-workbook{width:100%;margin-top:28px}.library-heading{display:flex;align-items:center;gap:7px;margin:28px 5px 12px;color:#575862;font-size:12px;font-weight:800;letter-spacing:.07em;text-transform:uppercase}.count-badge{display:inline-flex;min-width:20px;height:20px;align-items:center;justify-content:center;border-radius:7px;color:var(--purple);background:var(--purple-soft);font-size:10px}.search-box{display:flex;height:38px;align-items:center;gap:8px;margin-bottom:10px;border:1px solid #e5e5eb;border-radius:10px;color:#9697a2;background:#fff;padding:0 10px}.search-box:focus-within{border-color:#beb6f2;box-shadow:0 0 0 3px #6c5ce714}.search-box input{width:100%;min-width:0;border:0;outline:0;color:var(--ink);background:transparent;font-size:12px}.search-box button{display:inline-flex;border:0;color:#9899a5;background:none;padding:2px;cursor:pointer}.file-list{min-height:0;flex:1;overflow-y:auto;margin-right:-5px;padding-right:5px}.file-list-item{position:relative;display:grid;width:100%;grid-template-columns:38px minmax(0,1fr) 24px;align-items:center;gap:9px;border:1px solid transparent;border-radius:11px;background:transparent;padding:9px 6px 9px 9px;text-align:left;cursor:pointer;transition:.15s ease}.file-list-item+.file-list-item{margin-top:3px}.file-list-item:hover{background:#f3f2fa}.file-list-item.is-active{border-color:#ded9fb;background:#f0edff}.file-type-icon{display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;border-radius:10px;color:#258c74;background:#e4f5ef}.file-list-item.is-active .file-type-icon{color:#fff;background:var(--purple)}.file-copy{display:block;min-width:0}.file-copy strong,.file-copy small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-copy strong{color:#3f4049;font-size:12.5px;font-weight:700}.file-copy small{margin-top:4px;color:#999aa5;font-size:10px}.file-menu{display:inline-flex;width:24px;height:28px;align-items:center;justify-content:center;border-radius:7px;color:#a1a1ab;opacity:0;transition:.15s ease}.file-list-item:hover .file-menu,.file-list-item.is-active .file-menu,.file-menu:focus-visible{opacity:1}.file-menu:hover{color:#d84d5d;background:#fff}.sidebar-empty{display:flex;align-items:center;gap:10px;margin-top:8px;border:1px dashed #dddde5;border-radius:11px;color:#9a9ba6;padding:15px}.sidebar-empty p{margin:0;font-size:11px;line-height:1.45}.sidebar-empty.compact{justify-content:center;text-align:center}.storage-panel{border:1px solid #e7e7ed;border-radius:12px;background:#fff;padding:13px}.storage-copy{display:flex;align-items:center;justify-content:space-between;color:#696a75;font-size:10.5px}.storage-copy span{display:flex;align-items:center;gap:6px}.storage-copy strong{color:#4f5059}.storage-track{height:5px;overflow:hidden;margin:10px 0 8px;border-radius:99px;background:#ededf2}.storage-track span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#7767e9,#9d8ff4);transition:width .25s ease}.storage-panel p{margin:0;color:#aaaab3;font-size:9.5px}.main-content{width:calc(100% - 286px);min-height:100vh;margin-left:286px}.topbar{position:sticky;top:0;z-index:20;display:flex;height:70px;align-items:center;justify-content:flex-end;gap:12px;border-bottom:1px solid rgba(229,229,236,.92);background:#f6f7fbe6;padding:0 clamp(22px,4vw,60px);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.privacy-pill{display:inline-flex;align-items:center;gap:6px;color:#6f707b;font-size:11px;font-weight:600}.privacy-pill svg{color:var(--green)}.privacy-dot{width:7px;height:7px;border:2px solid #ccece4;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px #e7f7f2;margin-right:2px}.topbar-add{display:none}.icon-button{display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;border:1px solid #e2e2e9;border-radius:10px;background:#fff;cursor:pointer}.mobile-menu{display:none}.content-scroll{min-height:calc(100vh - 70px);padding:36px clamp(22px,4vw,60px) 64px}.welcome-state{width:min(920px,100%);margin:4vh auto 0;text-align:center}.welcome-copy{width:min(670px,100%);margin:0 auto}.welcome-badge{display:inline-flex;align-items:center;gap:7px;border:1px solid #dcd8f8;border-radius:99px;color:#6255bd;background:#f3f1ff;padding:7px 11px;font-size:10px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.welcome-copy h1{margin:20px 0 15px;font-family:Inter,ui-sans-serif,sans-serif;font-size:clamp(38px,5vw,60px);line-height:1.06;letter-spacing:-2.5px}.welcome-copy h1 span{color:var(--purple)}.welcome-copy>p{width:min(570px,100%);margin:0 auto;color:var(--muted);font-size:15px;line-height:1.7}.drop-zone{position:relative;width:min(670px,100%);margin:34px auto 0;overflow:hidden;border:1.5px dashed #c8c2ec;border-radius:20px;background:radial-gradient(circle at 50% 0%,rgba(108,92,231,.08),transparent 45%),#fff;box-shadow:0 20px 50px #2e2b4812;padding:36px 24px 30px;transition:.18s ease}.drop-zone:before,.drop-zone:after{position:absolute;width:110px;height:110px;border:1px solid rgba(108,92,231,.08);border-radius:50%;content:""}.drop-zone:before{top:-60px;left:-34px}.drop-zone:after{right:-48px;bottom:-71px}.drop-zone.is-dragging{border-color:var(--purple);background:#f5f3ff;box-shadow:0 20px 55px #6c5ce724;transform:translateY(-2px) scale(1.005)}.drop-illustration{position:relative;width:92px;height:77px;margin:0 auto 18px}.back-sheet,.front-sheet{position:absolute;width:57px;height:67px;border-radius:10px}.back-sheet{top:5px;left:13px;border:1px solid #d9d6ed;background:#efedf9;transform:rotate(-9deg)}.front-sheet{top:0;left:23px;display:flex;align-items:center;justify-content:center;color:var(--purple);border:1px solid #ddd9f7;background:#fff;box-shadow:0 9px 20px #3430501a}.upload-orbit{position:absolute;right:0;bottom:0;display:flex;width:34px;height:34px;align-items:center;justify-content:center;border:3px solid white;border-radius:50%;color:#fff;background:var(--purple);box-shadow:0 5px 12px #6c5ce73b}.drop-zone h2{margin:0;font-family:Inter,ui-sans-serif,sans-serif;font-size:19px;letter-spacing:-.3px}.drop-zone>p{margin:7px 0 17px;color:#8b8c97;font-size:12px}.drop-zone>small{display:block;margin-top:15px;color:#aaaab4;font-size:9.5px}.welcome-hint{margin:14px 0 0;color:#8d8e99;font-size:11px}.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px;text-align:left}.feature-row>div{border-top:1px solid #e3e3e9;padding:20px 6px 0}.feature-icon{display:flex;width:38px;height:38px;align-items:center;justify-content:center;border-radius:11px}.feature-icon.purple,.metric-icon.purple{color:var(--purple);background:var(--purple-soft)}.feature-icon.green,.metric-icon.green{color:#1e967d;background:#e2f6f0}.feature-icon.amber,.metric-icon.amber{color:#c47d11;background:#fff2d9}.metric-icon.blue{color:#4283d6;background:#e5f0ff}.feature-row h3{margin:12px 0 5px;font-size:13px}.feature-row p{margin:0;color:#858691;font-size:11px;line-height:1.55}.workspace{width:min(1260px,100%);margin:0 auto}.workbook-header{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.workbook-title-wrap{display:flex;align-items:center;gap:14px;min-width:0}.workbook-icon{display:flex;width:50px;height:50px;flex:0 0 auto;align-items:center;justify-content:center;border-radius:14px;color:#218c72;background:#e2f4ee}.eyebrow,.section-kicker{color:#9596a2;font-size:9.5px;font-weight:800;letter-spacing:.13em}.workbook-header h1{overflow:hidden;max-width:min(620px,55vw);margin:3px 0 2px;font-family:Inter,ui-sans-serif,sans-serif;font-size:clamp(25px,3vw,34px);letter-spacing:-1.1px;text-overflow:ellipsis;white-space:nowrap}.workbook-header p{margin:0;color:#8b8c97;font-size:11px}.sheet-tabs{display:flex;gap:3px;overflow-x:auto;overflow-y:hidden;margin-top:26px;border-bottom:1px solid #dfdfe6;scrollbar-width:none}.sheet-tabs::-webkit-scrollbar{display:none}.sheet-tabs button{position:relative;flex:0 0 auto;border:0;color:#888994;background:none;padding:11px 15px 13px;font-size:11px;font-weight:700;cursor:pointer}.sheet-tabs button:after{position:absolute;right:10px;bottom:-1px;left:10px;height:2px;border-radius:2px 2px 0 0;background:transparent;content:""}.sheet-tabs button.is-active{color:var(--purple)}.sheet-tabs button.is-active:after{background:var(--purple)}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}.metric-card{display:flex;align-items:center;gap:12px;min-width:0;border:1px solid var(--line);border-radius:14px;background:#fff;padding:16px;box-shadow:0 4px 14px #28273d06}.metric-icon{display:flex;width:39px;height:39px;flex:0 0 auto;align-items:center;justify-content:center;border-radius:11px}.metric-card strong,.metric-card span{display:block}.metric-card strong{overflow:hidden;font-family:Inter,ui-sans-serif,sans-serif;font-size:19px;line-height:1.15;text-overflow:ellipsis}.metric-card div>span{margin-top:3px;color:#8d8e99;font-size:10.5px}.card{border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 6px 22px #2b294309}.chart-card{margin-top:16px;padding-bottom:15px}.card-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 22px}.card-header h2{margin:4px 0 0;font-family:Inter,ui-sans-serif,sans-serif;font-size:17px;letter-spacing:-.35px}.chart-header p{margin:4px 0 0;color:#9697a1;font-size:10.5px}.chart-type-switcher{display:inline-flex;gap:3px;border:1px solid #e3e3e9;border-radius:10px;background:#f8f8fa;padding:3px}.chart-type-switcher button{display:inline-flex;width:34px;height:31px;align-items:center;justify-content:center;border:0;border-radius:7px;color:#9697a1;background:transparent;cursor:pointer}.chart-type-switcher button:hover{color:var(--purple)}.chart-type-switcher button.is-active{color:var(--purple);background:#fff;box-shadow:0 2px 8px #25243717}.chart-controls{display:flex;align-items:flex-end;gap:13px;border-top:1px solid #eeeeF2;border-bottom:1px solid #eeeeF2;background:#fbfbfc;padding:13px 22px}.chart-controls label{width:min(210px,26%)}.chart-controls label>span{display:block;margin:0 0 6px 2px;color:#8e8f9a;font-size:9px;font-weight:700;text-transform:uppercase}.select-wrap{position:relative}.select-wrap select{width:100%;height:36px;-webkit-appearance:none;-moz-appearance:none;appearance:none;overflow:hidden;border:1px solid #dedee6;border-radius:9px;outline:0;color:#4e4f59;background:#fff;padding:0 32px 0 11px;font-size:11px;font-weight:600;text-overflow:ellipsis;cursor:pointer}.select-wrap select:focus{border-color:#bdb4f1;box-shadow:0 0 0 3px #6c5ce714}.select-wrap svg{position:absolute;top:11px;right:10px;color:#93949f;pointer-events:none}.chart-summary{display:flex;align-items:center;gap:8px;margin-left:auto;padding-bottom:3px}.summary-swatch{width:9px;height:9px;border-radius:3px;background:var(--purple)}.chart-summary strong,.chart-summary small{display:block;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chart-summary strong{color:#5c5d67;font-size:10px}.chart-summary small{margin-top:2px;color:#9a9ba4;font-size:9px}.chart-stage{width:100%;height:330px;padding:17px 18px 0 8px}.chart-empty{display:flex;height:100%;flex-direction:column;align-items:center;justify-content:center;text-align:center}.chart-empty>span{display:flex;width:50px;height:50px;align-items:center;justify-content:center;border-radius:14px;color:#9b91e7;background:#f0edff}.chart-empty h3{margin:12px 0 4px;font-size:13px}.chart-empty p{margin:0;color:#9798a2;font-size:10.5px}.chart-tooltip{min-width:100px;border:1px solid #e4e2ed;border-radius:10px;background:#fffffff5;box-shadow:0 10px 24px #26233b1f;padding:9px 11px}.chart-tooltip span,.chart-tooltip strong{display:block}.chart-tooltip span{overflow:hidden;max-width:180px;color:#888994;font-size:9px;text-overflow:ellipsis;white-space:nowrap}.chart-tooltip strong{margin-top:3px;font-size:12px}.chart-footnote{margin:1px 20px 0;color:#a0a1aa;font-size:9px;text-align:right}.table-card{overflow:hidden;margin-top:16px}.table-header{padding-bottom:16px}.row-count{border-radius:7px;color:#777887;background:#f1f1f5;padding:5px 8px;font-size:9.5px;font-weight:700}.table-scroll{max-height:430px;overflow:auto;border-top:1px solid #ececf1}table{width:100%;border-collapse:separate;border-spacing:0;font-size:11px}th,td{min-width:135px;max-width:260px;overflow:hidden;border-right:1px solid #eeeeF2;border-bottom:1px solid #eeeeF2;padding:11px 13px;text-align:left;text-overflow:ellipsis;white-space:nowrap}th:last-child,td:last-child{border-right:0}th{position:sticky;z-index:2;top:0;color:#656672;background:#f8f8fa;font-size:9.5px;font-weight:800;letter-spacing:.025em}td{color:#5b5c67;background:#fff}tbody tr:hover td{background:#faf9ff}th.row-number,td.row-number{left:0;min-width:52px;width:52px;max-width:52px;color:#a0a1aa;background:#f8f8fa;text-align:center}th.row-number{z-index:3}td.row-number{position:sticky;z-index:1}.table-note,.table-empty{color:#9697a2;background:#fbfbfc;padding:12px 20px;font-size:9.5px;text-align:center}.table-empty{padding:50px 20px}.loading-overlay{position:fixed;z-index:100;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#f6f7fbb3;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.loading-card{display:flex;align-items:center;gap:14px;border:1px solid #e2e1ec;border-radius:15px;background:#fff;box-shadow:var(--shadow);padding:18px 22px}.loading-card strong{display:block;font-size:13px}.loading-card p{margin:4px 0 0;color:#90919c;font-size:10px}.loader{width:26px;height:26px;border:3px solid #e7e3ff;border-top-color:var(--purple);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;z-index:120;right:22px;bottom:22px;display:grid;width:min(390px,calc(100vw - 44px));grid-template-columns:28px 1fr 24px;align-items:center;gap:9px;border:1px solid #e1e1e7;border-radius:13px;background:#fff;box-shadow:0 18px 45px #26233b2b;padding:11px 12px;animation:toast-in .22s ease-out}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}}.toast>span{display:flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:8px}.toast.is-success>span{color:#1e8d73;background:#e2f5ef}.toast.is-error>span{color:#d84f5e;background:#fdebee}.toast p{margin:0;color:#545560;font-size:11px;line-height:1.4}.toast>button{display:flex;border:0;color:#9c9da7;background:transparent;padding:4px;cursor:pointer}.modal-backdrop{position:fixed;z-index:130;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#1d1c2659;padding:20px;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.confirm-modal{width:min(390px,100%);border-radius:17px;background:#fff;box-shadow:0 24px 70px #1e1c3040;padding:24px}.danger-icon{display:flex;width:42px;height:42px;align-items:center;justify-content:center;border-radius:12px;color:#d64b5b;background:#fdebee}.confirm-modal h2{margin:16px 0 7px;font-family:Inter,ui-sans-serif,sans-serif;font-size:19px}.confirm-modal p{margin:0;color:#797a86;font-size:11px;line-height:1.6}.confirm-modal p strong{color:#53545e}.modal-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:22px}.sidebar-backdrop{display:none}@media(max-width:900px){.file-sidebar{width:280px;transform:translate(-102%);transition:transform .21s ease}.file-sidebar.is-open{transform:translate(0);box-shadow:20px 0 50px #211f3129}.sidebar-close,.mobile-menu,.topbar-add{display:inline-flex!important}.sidebar-backdrop{position:fixed;z-index:25;top:0;right:0;bottom:0;left:0;display:block;border:0;background:#201e2c47}.main-content{width:100%;margin-left:0}.topbar{justify-content:flex-start}.privacy-pill{margin-right:auto}.metric-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.topbar{height:62px;padding:0 15px}.privacy-pill{font-size:9px}.privacy-pill .privacy-dot,.privacy-pill svg{display:none}.topbar-add{width:38px;min-height:38px;padding:0;font-size:0}.content-scroll{min-height:calc(100vh - 62px);padding:26px 14px 42px}.welcome-state{margin-top:2vh}.welcome-copy h1{margin-top:16px;font-size:38px;letter-spacing:-1.8px}.welcome-copy>p{font-size:13px}.drop-zone{margin-top:26px;padding:29px 18px 25px}.feature-row{grid-template-columns:1fr;gap:15px;margin-top:32px}.feature-row>div{display:grid;grid-template-columns:42px 1fr;border:1px solid #e5e5eb;border-radius:12px;background:#fff;padding:13px;text-align:left}.feature-row h3{align-self:end;margin:0 0 2px}.feature-row p{grid-column:2}.workbook-header{align-items:center}.workbook-header>.secondary-button{width:40px;min-width:40px;padding:0;font-size:0}.workbook-icon{width:43px;height:43px}.workbook-header h1{max-width:58vw;font-size:23px}.metric-grid{gap:9px}.metric-card{gap:9px;padding:12px}.metric-icon{width:34px;height:34px}.metric-card strong{font-size:16px}.chart-header{align-items:flex-start;flex-direction:column}.chart-controls{flex-wrap:wrap}.chart-controls label{width:calc(50% - 7px)}.chart-summary{width:100%;margin:2px 0 0}.chart-stage{height:270px;padding-right:8px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}