@font-face{font-family:Space Grotesk;font-style:normal;font-weight:400 700;font-display:swap;src:url(/fonts/SpaceGrotesk.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Mono;font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/IBMPlexMono-Medium.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--bg-0:#f4f4f5;--bg-1:#fafafa;--ink:#18181b;--ink-soft:#52525b;--brand:#27272a;--brand-2:#3f3f46;--accent:#f59e0b;--panel:#fff;--line:#e4e4e7;--ok:#27272a;--danger:#b91c1c;--shadow:0 12px 30px #18181b17;--radius:16px;color:var(--ink);-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased;font-family:Space Grotesk,Segoe UI,sans-serif;font-size:16px;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}body{background:radial-gradient(80rem 30rem at -10% -20%, #d4d4d8 0%, transparent 60%), radial-gradient(60rem 25rem at 110% -10%, #e4e4e7 0%, transparent 60%), linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 45%, #f9f9fb 100%);min-height:100svh;padding:env(safe-area-inset-top,0px) env(safe-area-inset-right,0px) 0px env(safe-area-inset-left,0px)}.app{width:min(980px,100%);padding:20px;padding-bottom:calc(68px + env(safe-area-inset-bottom,0px));margin:0 auto}.hero{color:#fff;border-radius:calc(var(--radius) + 4px);box-shadow:var(--shadow);background:linear-gradient(140deg,#18181b,#27272a 60%,#1c1917);padding:16px 20px;position:relative;overflow:hidden}.hero:after{content:"";pointer-events:none;background:radial-gradient(circle,#f59e0b2e 0%,#fff0 65%);border-radius:50%;width:170px;height:170px;position:absolute;inset:auto -30px -48px auto}.hero h1{font-size:clamp(1.3rem,3.5vw,1.8rem);line-height:1.15}.layout{grid-template-columns:1fr;gap:14px;margin-top:14px;display:grid}.layout--single{grid-template-columns:1fr!important}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.panel-inner{padding:16px}.mode-toggle{gap:8px;margin-bottom:14px;display:flex}.mode-btn{border:1px solid var(--line);color:var(--ink-soft);font:inherit;cursor:pointer;background:#fff;border-radius:11px;flex:1;min-height:44px;padding:10px 12px;font-size:.9rem;font-weight:700;transition:all .18s}.mode-btn.active{color:var(--brand);background:#f4f4f5;border-color:#a1a1aa}.section-label{text-transform:uppercase;letter-spacing:.07em;color:var(--ink-soft);margin-bottom:8px;font-size:.78rem;font-weight:700}.material-desc{color:var(--ink-soft);margin-top:8px;margin-bottom:4px;font-size:.82rem;font-style:italic}.tabs{flex-wrap:wrap;gap:8px;margin-bottom:4px;display:flex}.tab{border:1px solid var(--line);color:var(--ink-soft);font:inherit;cursor:pointer;background:#fff;border-radius:11px;flex:60px;min-height:48px;padding:13px 8px;font-size:.9rem;font-weight:600;transition:all .18s}.tab.active{color:var(--brand);background:#f4f4f5;border-color:#a1a1aa;transform:translateY(-1px)}.fields-grid{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}.field{flex-direction:column;display:flex}.field.full{grid-column:1/-1}.field label{color:var(--ink-soft);margin-bottom:6px;font-size:.9rem;font-weight:600;display:block}.field input[type=number],.field input[type=text],.field input[type=email],.field input[type=tel]{width:100%;font:inherit;color:var(--ink);background:#fafafa;border:1px solid #d4d4d8;border-radius:10px;min-height:50px;padding:14px;font-size:1.05rem;transition:border-color .15s,outline .15s}.field input:focus{border-color:#a1a1aa;outline:2px solid #a1a1aa}.zones-list{flex-direction:column;gap:10px;margin-top:14px;display:flex}.zone-card{border:1px solid var(--line);background:#fafafa;border-radius:12px;padding:12px}.zone-header{align-items:center;gap:8px;margin-bottom:10px;display:flex}.zone-name-input{font:inherit;color:var(--ink);background:#fff;border:1px solid #d4d4d8;border-radius:8px;flex:1;min-height:44px;padding:8px 12px;font-size:.95rem}.zone-name-input:focus{border-color:#a1a1aa;outline:2px solid #a1a1aa}.zone-remove{color:var(--danger);cursor:pointer;background:#fff5f5;border:1px solid #fca5a5;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:1.2rem;transition:background .15s;display:flex}.zone-remove:active{background:#fee2e2}.btn-add-zone{color:var(--ink-soft);font:inherit;cursor:pointer;background:0 0;border:2px dashed #d4d4d8;border-radius:12px;width:100%;min-height:48px;padding:12px;font-size:.95rem;font-weight:700;transition:border-color .15s,color .15s}.btn-add-zone:hover,.btn-add-zone:focus{border-color:var(--brand);color:var(--brand)}.zone-breakdown{border:1px solid var(--line);border-radius:12px;margin-top:14px;overflow:hidden}.zone-breakdown-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:8px;padding:9px 12px;font-size:.88rem;display:flex}.zone-breakdown-row:last-child{border-bottom:none}.zone-breakdown-name{color:var(--ink-soft);white-space:nowrap;font-weight:600;overflow:hidden}.zone-breakdown-vol{color:var(--ink);flex-shrink:0;font-family:IBM Plex Mono,monospace;font-size:.85rem}.zone-breakdown-total{background:#f4f4f5;font-size:.92rem;font-weight:700}.actions{flex-wrap:wrap;gap:8px;display:flex}.btn-primary{font:inherit;cursor:pointer;color:#fff;background:linear-gradient(135deg,#18181b,#3f3f46);border:none;border-radius:12px;min-height:52px;padding:14px;font-size:1.05rem;font-weight:700;transition:transform .15s,opacity .15s}.btn-primary.btn-full{flex:1}.btn-primary:active{opacity:.9;transform:scale(.98)}.btn-secondary{font:inherit;cursor:pointer;color:#374151;background:#f4f4f5;border:1px solid #d4d4d8;border-radius:12px;min-height:52px;padding:14px 20px;font-size:1.05rem;font-weight:700;transition:transform .15s}.btn-secondary:active{transform:scale(.98)}.tip{color:var(--ink-soft);background:#fafafa;border:1px dashed #d4d4d8;border-radius:10px;padding:10px 12px;font-size:.9rem;line-height:1.45}.tip.is-error{color:var(--danger);background:#fff5f5;border-color:#fca5a5}.tip.is-ok{color:var(--brand);background:#f4f4f5;border-color:#a1a1aa}.result-card{background:linear-gradient(170deg,#f4f4f5,#fff);border:1px solid #a1a1aa;border-radius:14px;margin-bottom:12px;padding:14px}.result-head{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.result-head-right{align-items:center;gap:8px;display:flex}.result-head h2{font-size:1rem}.unit-note{color:var(--brand-2);font-family:IBM Plex Mono,monospace;font-size:.8rem}.result-main{margin-top:8px;font-size:clamp(2rem,5vw,2.6rem);font-weight:700;line-height:1.1}.result-unit{color:var(--ink-soft);font-size:1.1rem;font-weight:500}.stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:10px;display:grid}.stat{background:#fff;border:1px solid #e4e4e7;border-radius:10px;padding:10px}.stat .k{color:#6b7280;text-transform:uppercase;letter-spacing:.04em;font-size:.78rem}.stat .v{color:var(--ink);margin-top:4px;font-size:1.4rem;font-weight:700;line-height:1.1}.customer-price-card{background:#fff;border:1px solid #d4d4d8;border-radius:12px;margin-top:10px;padding:12px}.customer-price-k{color:#6b7280;text-transform:uppercase;letter-spacing:.04em;font-size:.78rem}.customer-price-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.customer-price-v{color:var(--ink);margin-top:4px;font-size:1.6rem;font-weight:700;line-height:1.1}.footer-note{color:#64748b;margin-top:10px;font-size:.8rem}.disclaimer-note{color:var(--ink-soft);margin-top:6px;font-size:.78rem;font-style:italic}.btn-share{border:1px solid var(--brand);font:inherit;cursor:pointer;color:var(--brand);white-space:nowrap;background:0 0;border-radius:8px;padding:5px 12px;font-size:.82rem;font-weight:700;transition:background .15s,color .15s}.btn-share:active{background:var(--brand);color:#fff}.view-tabs{z-index:100;-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line);padding:8px 16px;padding-bottom:calc(8px + env(safe-area-inset-bottom,0px));background:#ffffffeb;justify-content:center;gap:8px;display:flex;position:fixed;bottom:0;left:0;right:0}.view-tab{max-width:160px;color:var(--ink-soft);font:inherit;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:11px;flex-direction:column;flex:1;align-items:center;gap:2px;padding:6px 8px;font-size:.8rem;font-weight:600;transition:all .18s;display:flex}.view-tab-icon{font-size:1.25rem;line-height:1}.view-tab-label{line-height:1.2}.view-tab.active{color:var(--brand);background:#f4f4f5;border-color:#a1a1aa}.history-empty{text-align:center;color:var(--ink-soft);padding:40px 20px}.history-empty-icon{margin-bottom:12px;font-size:3rem}.history-empty-title{color:var(--ink);margin-bottom:4px;font-size:1.1rem;font-weight:700}.history-empty-sub{font-size:.9rem}.history-panel{flex-direction:column;gap:12px;display:flex}.history-header{justify-content:space-between;align-items:center;display:flex}.history-header h2{font-size:1.05rem}.btn-clear{font:inherit;cursor:pointer;color:var(--danger);background:#fff5f5;border:1px solid #fca5a5;border-radius:8px;padding:5px 12px;font-size:.82rem;font-weight:600;transition:background .15s}.btn-clear:active{background:#fee2e2}.history-list{flex-direction:column;gap:10px;display:flex}.history-entry{border:1px solid var(--line);background:#fafafa;border-radius:12px;padding:12px 14px}.history-entry-top{justify-content:space-between;align-items:center;margin-bottom:4px;display:flex}.history-shape{text-transform:uppercase;letter-spacing:.06em;color:var(--brand);background:#f4f4f5;border-radius:5px;padding:2px 7px;font-size:.78rem;font-weight:700}.history-time{color:var(--ink-soft);font-family:IBM Plex Mono,monospace;font-size:.78rem}.history-volume{margin-bottom:6px;font-size:1.6rem;font-weight:700;line-height:1.1}.history-unit{color:var(--ink-soft);font-size:1rem;font-weight:500}.history-stats{color:var(--ink-soft);flex-wrap:wrap;gap:6px 14px;font-size:.85rem;display:flex}.history-cost{color:var(--ink);font-weight:700}.history-waste{color:var(--ink-soft);margin-top:4px;font-family:IBM Plex Mono,monospace;font-size:.78rem}.history-entry-actions{border-top:1px solid var(--line);gap:8px;margin-top:10px;padding-top:10px;display:flex}.history-action-btn{font:inherit;cursor:pointer;border-radius:8px;flex:1;padding:7px 10px;font-size:.82rem;font-weight:700;transition:background .15s,transform .1s}.history-action-btn:active{transform:scale(.97)}.history-action-share{border:1px solid var(--brand);color:var(--brand);background:0 0}.history-action-share:active{background:var(--brand);color:#fff}.history-action-remove{color:var(--danger);background:#fff5f5;border:1px solid #fca5a5}.history-action-remove:active{background:#fee2e2}.settings-panel{flex-direction:column;gap:22px;display:flex}.settings-section{flex-direction:column;gap:8px;display:flex}.settings-label{color:var(--ink);text-transform:uppercase;letter-spacing:.06em;font-size:.8rem;font-weight:700}.settings-label-unit{text-transform:none;letter-spacing:0;color:var(--ink-soft);font-weight:400}.settings-helper{color:var(--ink-soft);font-family:IBM Plex Mono,monospace;font-size:.82rem}.unit-toggle{grid-template-columns:1fr 1fr;gap:8px;display:grid}.unit-btn{border:1px solid var(--line);color:var(--ink-soft);font:inherit;cursor:pointer;background:#fff;border-radius:11px;flex-direction:column;align-items:center;gap:3px;padding:10px 12px;font-size:.95rem;font-weight:600;transition:all .18s;display:flex}.unit-btn.active{color:var(--brand);background:#f4f4f5;border-color:#a1a1aa}.unit-btn-sub{opacity:.8;font-family:IBM Plex Mono,monospace;font-size:.72rem;font-weight:400}.preset-row{flex-wrap:wrap;gap:6px;display:flex}.preset-btn{border:1px solid var(--line);color:var(--ink-soft);font:inherit;cursor:pointer;background:#fff;border-radius:8px;padding:6px 12px;font-size:.85rem;font-weight:600;transition:all .15s}.preset-btn.active{color:var(--brand);background:#f4f4f5;border-color:#a1a1aa}.preset-btn:active{transform:scale(.97)}.app-info{border-top:1px solid var(--line);text-align:center;flex-direction:column;align-items:center;gap:4px;margin-top:8px;padding-top:20px;display:flex}.app-info-name{color:var(--ink);font-size:.9rem;font-weight:700}.app-info-version{color:var(--ink-soft);font-family:IBM Plex Mono,monospace;font-size:.78rem}.app-info-links{align-items:center;gap:8px;margin-top:6px;display:flex}.app-info-link{color:var(--brand);font-size:.82rem;font-weight:600;text-decoration:none}.app-info-link:hover{text-decoration:underline}.app-info-sep{color:var(--line);font-size:1rem}.app-info-copy{color:#94a3b8;margin-top:4px;font-size:.75rem}@media (width>=880px){.app{padding:30px}.layout{grid-template-columns:1.1fr .9fr}.layout--single{grid-template-columns:1fr}}@media (width<=540px){.fields-grid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.preset-row{gap:4px}.stat .v{font-size:1.6rem}}