:root{--bg:#f7f8fb;--panel:#ffffff;--panel-muted:#f0f3f7;--text:#111827;--muted:#5b6472;--line:#d9dee7;--brand:#1769e0;--brand-dark:#0f4fa9;--ok:#0f8a5f;--warn:#a86100;--danger:#b42318;--shadow:0 18px 45px rgba(16,24,40,0.08)}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.page{min-height:100vh}.shell{width:min(1180px,calc(100% - 32px));margin:0 auto}.topbar{justify-content:space-between;gap:24px;padding:20px 0}.brand,.topbar{display:flex;align-items:center}.brand{gap:10px;font-weight:750}.brand-mark{display:grid;width:32px;height:32px;place-items:center;border-radius:8px;background:var(--text);color:#fff;font-size:13px}.nav{display:flex;gap:18px;color:var(--muted);font-size:14px}.button,.nav{align-items:center}.button{display:inline-flex;min-height:44px;justify-content:center;border:1px solid transparent;border-radius:8px;padding:0 16px;background:var(--brand);color:#fff;cursor:pointer;font-weight:650;transition:background .18s ease,border-color .18s ease}.button:hover{background:var(--brand-dark)}.button.secondary{border-color:var(--line);background:var(--panel);color:var(--text)}.button.secondary:hover{border-color:#b8c0cc;background:#f9fafb}.hero{display:grid;grid-template-columns:minmax(0,.9fr) minmax(460px,1.1fr);grid-gap:46px;gap:46px;align-items:center;padding:56px 0 42px}.eyebrow{margin:0 0 12px;color:var(--brand);font-size:14px;font-weight:750}.hero h1{margin:0;max-width:680px;font-size:clamp(42px,7vw,72px);line-height:.98;letter-spacing:0}.lead{max-width:620px;margin:22px 0 0;color:var(--muted);font-size:19px;line-height:1.55}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.proof{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px;margin-top:32px}.proof-item{border-left:2px solid var(--line);padding-left:12px}.proof-value{font-size:22px;font-weight:760}.proof-label{margin-top:4px;color:var(--muted);font-size:13px}.product-frame{overflow:hidden;border:1px solid var(--line);border-radius:10px;background:var(--panel);box-shadow:var(--shadow)}.product-toolbar{display:flex;align-items:center;gap:7px;border-bottom:1px solid var(--line);padding:12px 14px;background:#fbfcfe}.dot{width:10px;height:10px;border-radius:999px;background:#c6ccd7}.product-grid{display:grid;min-height:420px;grid-template-columns:280px minmax(0,1fr)}.mail-list{border-right:1px solid var(--line);background:#f8fafc;padding:14px}.mail-item{border:1px solid transparent;border-radius:8px;padding:12px}.mail-item.active{border-color:#bdd6ff;background:#eef5ff}.mail-subject{font-size:14px;font-weight:730}.mail-date,.mail-sender{margin-top:5px;color:var(--muted);font-size:12px}.note-pane{padding:22px}.note-header{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;border-bottom:1px solid var(--line);padding-bottom:18px}.note-title{margin:0;font-size:22px}.status{border-radius:999px;padding:6px 10px;background:#fff7e8;color:var(--warn);font-size:12px;font-weight:750}.note-box{margin-top:18px;border:1px solid var(--line);border-radius:8px;padding:16px;min-height:180px;background:#fff;color:#243041;line-height:1.6}.section{padding:46px 0}.section h2{margin:0;font-size:34px}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:14px;gap:14px;margin-top:24px}.feature{border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:20px}.feature h3{margin:0 0 8px;font-size:17px}.feature p{margin:0;color:var(--muted);line-height:1.55}.app-shell{display:grid;min-height:100vh;grid-template-columns:245px minmax(0,1fr)}.sidebar{border-right:1px solid var(--line);background:#fff;padding:22px}.sidebar-nav{display:grid;grid-gap:8px;gap:8px;margin-top:30px}.sidebar-link{border-radius:8px;padding:11px 12px;color:var(--muted);font-weight:650}.sidebar-link.active{background:#eef5ff;color:var(--brand)}.main{padding:28px}.dashboard-header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.dashboard-header h1{margin:0;font-size:34px}.dashboard-header p{margin:8px 0 0;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:12px;gap:12px;margin-top:24px}.stat{border:1px solid var(--line);border-radius:8px;background:#fff;padding:18px}.stat-value{font-size:28px;font-weight:780}.stat-label{margin-top:4px;color:var(--muted);font-size:13px}.workspace{display:grid;grid-template-columns:minmax(280px,.9fr) minmax(0,1.1fr);grid-gap:16px;gap:16px;margin-top:18px}.panel{border:1px solid var(--line);border-radius:8px;background:#fff}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:16px}.panel-title{margin:0;font-size:16px}.search{width:100%;min-height:44px;border:1px solid var(--line);border-radius:8px;padding:0 12px}.notes{display:grid;grid-gap:8px;gap:8px;padding:12px}.note-list-item{border:1px solid var(--line);border-radius:8px;padding:12px}.note-list-item.selected{border-color:#bdd6ff;background:#f3f8ff}.note-meta{color:var(--muted);font-size:12px}.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.tag{border-radius:999px;background:var(--panel-muted);padding:4px 8px;color:#364152;font-size:12px}.editor{display:grid;grid-gap:12px;gap:12px;padding:16px}.field{display:grid;grid-gap:7px;gap:7px}.field label{color:var(--muted);font-size:13px;font-weight:700}.input,.textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:12px;color:var(--text)}.textarea{min-height:220px;resize:vertical}.login-page{display:grid;min-height:100vh;place-items:center;background:var(--bg);padding:24px}.login-card{width:min(420px,100%);border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:36px;box-shadow:var(--shadow)}.login-title{margin:0 0 24px;font-size:26px}.login-form{display:grid;grid-gap:16px;gap:16px}.login-switch{margin:20px 0 0;color:var(--muted);font-size:14px;text-align:center}.field-label{color:var(--muted);font-size:13px;font-weight:700}.form-error{margin:0;color:var(--danger);font-size:14px}.link-btn{border:none;background:none;cursor:pointer;color:var(--brand);font:inherit;font-size:14px;padding:0;text-decoration:underline}.link-btn.danger{color:var(--danger)}.link-btn.small{font-size:13px}.sidebar{display:flex;flex-direction:column}.sidebar-footer{margin-top:auto;padding-top:16px;display:grid;grid-gap:8px;gap:8px;border-top:1px solid var(--line)}.sidebar-export{display:flex;gap:12px}.empty-state{padding:16px;color:var(--muted);font-size:14px;margin:0}.empty-detail{display:grid;place-items:center;min-height:300px;color:var(--muted);font-size:14px}.status-filter{border:1px solid var(--line);border-radius:8px;padding:6px 10px;font:inherit;font-size:13px;background:var(--panel);color:var(--text);cursor:pointer}@media (max-width:920px){.app-shell,.hero,.product-grid,.workspace{grid-template-columns:1fr}.hero{padding-top:26px}.product-grid{min-height:auto}.feature-grid,.proof,.stats{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--line)}.sidebar-nav{display:flex;overflow-x:auto}}@media (max-width:620px){.nav{display:none}.main{padding:18px}.dashboard-header{display:grid}}