:root{--accent: #b45309;--accent-dark: #92400e;--accent-soft: #fef3e2;--bg: #faf9f7;--ink: #1c1917;--muted: #78716c;--card: #ffffff;--border: #e7e5e4;--danger: #b91c1c;--danger-soft: #fee2e2;--ok: #15803d;--info-soft: #e0f2fe;--radius: 10px;--shadow: 0 1px 3px rgba(28, 25, 23, .08), 0 4px 14px rgba(28, 25, 23, .05)}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}h1,h2,h3{line-height:1.2;margin:0 0 .5em}a{color:var(--accent-dark);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1180px;margin:0 auto;padding:0 20px}.btn{display:inline-block;border:1px solid transparent;border-radius:8px;padding:9px 18px;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none!important;transition:background .15s,border-color .15s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--ink);border-color:var(--border)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent-dark)}.btn-ghost.danger:hover{border-color:var(--danger);color:var(--danger)}.btn-lg{padding:13px 26px;font-size:17px}.btn-sm{padding:6px 12px;font-size:13px}.link-btn{background:none;border:none;padding:0;color:var(--accent-dark);font:inherit;cursor:pointer;text-decoration:underline}.logo{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.02em}.logo:hover{text-decoration:none}.logo-mark{color:var(--accent);margin-right:4px}.landing-header{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.landing-nav{display:flex;align-items:center;justify-content:space-between;height:64px}.landing-nav nav{display:flex;align-items:center;gap:22px}.landing-nav nav a{color:var(--ink);font-weight:500}.hero{text-align:center;padding:90px 0 70px}.hero h1{font-size:clamp(32px,5vw,52px);letter-spacing:-.03em;margin-bottom:18px}.hero-sub{font-size:19px;color:var(--muted);max-width:640px;margin:0 auto 30px}.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.hero-note{margin-top:18px;font-size:14px;color:var(--muted)}.features,.how,.pricing{padding:60px 0}.features h2,.how h2,.pricing h2{text-align:center;font-size:30px;margin-bottom:40px;letter-spacing:-.02em}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.feature-card h3{font-size:17px;margin-bottom:8px}.feature-card p{color:var(--muted);font-size:15px;margin:0}.how{background:var(--card);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;list-style:none;padding:0;margin:0}.steps li{display:flex;flex-direction:column;gap:6px}.steps strong{font-size:18px}.steps span{color:var(--muted)}.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;align-items:start}.plan-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;text-align:center;position:relative;box-shadow:var(--shadow)}.plan-highlight{border-color:var(--accent);border-width:2px}.plan-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:3px 12px;border-radius:99px}.plan-price{font-size:38px;font-weight:800;margin:10px 0 18px}.plan-price span{font-size:14px;font-weight:500;color:var(--muted)}.plan-card ul{list-style:none;padding:0;margin:0 0 22px;color:var(--muted);display:flex;flex-direction:column;gap:8px}.landing-footer{border-top:1px solid var(--border);padding:26px 0;color:var(--muted);font-size:14px}.landing-footer .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}.auth-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;padding:20px}.auth-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:34px;width:100%;max-width:400px;display:flex;flex-direction:column;gap:14px}.auth-card h1{font-size:24px;margin:0}.auth-sub{color:var(--muted);font-size:14px;margin:-6px 0 0}.auth-card label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600}.auth-card input{border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:15px}.auth-card input:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}.auth-switch{text-align:center;font-size:14px;color:var(--muted);margin:4px 0 0}.form-error{color:var(--danger);font-size:14px;margin:0}.hint{color:var(--muted);font-size:13px;margin:0}.page-loading{padding:80px 20px;text-align:center;color:var(--muted)}.app-header{background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:60px}.app-header-right{display:flex;align-items:center;gap:14px}.user-email{color:var(--muted);font-size:14px}.plan-chip{font-size:12px;font-weight:700;padding:3px 10px;border-radius:99px;background:var(--accent-soft);color:var(--accent-dark)}.banner{border-radius:8px;padding:12px 16px;font-size:14px;margin:12px 0}.banner-error{background:var(--danger-soft);color:var(--danger)}.banner-info{background:var(--info-soft);color:#075985}.app-main{padding:34px 20px 60px}.dash-top{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:8px}.dash-top h1{font-size:26px;margin:0}.new-project{display:flex;gap:10px}.new-project input{border:1px solid var(--border);border-radius:8px;padding:9px 12px;font-size:14px;width:260px}.plan-note{color:var(--muted);font-size:14px}.empty-state{background:var(--card);border:1px dashed var(--border);border-radius:var(--radius);padding:50px;text-align:center;color:var(--muted);margin-top:20px}.project-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px;margin-top:20px}.project-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;display:flex;flex-direction:column;gap:14px}.project-card:hover{border-color:var(--accent)}.project-link{color:inherit;display:flex;flex-direction:column;gap:4px}.project-link:hover{text-decoration:none}.project-link h3{margin:0;font-size:17px}.project-date{font-size:13px;color:var(--muted)}.project-card .btn{align-self:flex-end}.editor-header{background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:16px;padding:10px 24px;position:sticky;top:0;z-index:10;flex-wrap:wrap}.back{font-weight:600;white-space:nowrap}.project-name{border:1px solid transparent;border-radius:8px;padding:8px 10px;font-size:17px;font-weight:700;flex:1;min-width:160px;background:transparent}.project-name:hover,.project-name:focus{border-color:var(--border);background:var(--bg);outline:none}.save-state{font-size:13px;color:var(--muted);white-space:nowrap}.save-clean{color:var(--ok)}.save-error{color:var(--danger)}.mode-tabs{display:flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}.mode-tabs button{border:none;background:transparent;padding:8px 16px;font-size:14px;font-weight:600;cursor:pointer;color:var(--muted)}.mode-tabs button.active{background:var(--accent);color:#fff}.editor-body{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:20px;padding-top:24px;padding-bottom:10px;align-items:start}@media(max-width:900px){.editor-body{grid-template-columns:1fr}}.side-col{display:flex;flex-direction:column;gap:20px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card h2{font-size:16px;margin-bottom:14px}.edit-table{width:100%;border-collapse:collapse;margin-bottom:12px}.edit-table th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding:4px 6px;border-bottom:1px solid var(--border)}.edit-table td{padding:4px 6px;border-bottom:1px solid var(--bg)}.edit-table td.center{text-align:center}.edit-table input.txt{width:100%;min-width:110px;border:1px solid var(--border);border-radius:6px;padding:6px 8px;font-size:14px}input.num{border:1px solid var(--border);border-radius:6px;padding:6px 8px;font-size:14px}input.num:focus,.edit-table input.txt:focus,.new-project input:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}.row-del{border:none;background:none;color:var(--muted);cursor:pointer;font-size:14px;padding:4px}.row-del:hover{color:var(--danger)}.params{display:flex;flex-direction:column;gap:12px;margin-bottom:10px}.params label{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;font-weight:600}.results{padding-top:10px;padding-bottom:60px}.results-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin:18px 0 6px}.results-head h2{font-size:22px;margin:0}.results-actions{display:flex;gap:10px}.stats-row{display:flex;flex-wrap:wrap;gap:14px;margin:14px 0 20px}.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:12px 20px;display:flex;flex-direction:column;min-width:110px}.stat-value{font-size:22px;font-weight:800;letter-spacing:-.02em}.stat-label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.panel-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:22px}.panel-title{font-size:14px;color:var(--muted);margin-bottom:12px}.panel-title strong{color:var(--ink)}.plan-svg{width:100%;height:auto;display:block}.offcut-list{font-size:13px;color:var(--muted);margin:10px 0 0}@media print{.no-print{display:none!important}body{background:#fff}.results{padding:0;max-width:none}.panel-card{box-shadow:none;border:1px solid #999;break-inside:avoid;page-break-inside:avoid}.stat{border:1px solid #999}}.legal-page{min-height:100vh;display:flex;flex-direction:column}.legal-content{flex:1;width:100%;max-width:760px;padding-top:48px;padding-bottom:64px}.legal-content h1{font-size:clamp(28px,4vw,38px);letter-spacing:-.02em;margin-bottom:6px}.legal-updated{color:var(--muted);font-size:14px;margin:0 0 32px}.legal-content h2{font-size:20px;letter-spacing:-.01em;margin:36px 0 12px}.legal-content p{margin:0 0 14px;font-size:15px}.legal-content ul{margin:0 0 16px;padding-left:20px;display:flex;flex-direction:column;gap:8px;font-size:15px}.legal-content ul li{padding-left:2px}.legal-identity{margin:0 0 16px}.legal-identity div{display:flex;flex-wrap:wrap;gap:4px 12px;padding:7px 0;border-bottom:1px solid var(--border);font-size:15px}.legal-identity dt{min-width:190px;margin:0;font-weight:600}.legal-identity dd{margin:0;color:var(--muted)}