:root{--bg-0:#eef6fb;--bg-1:#f8fcff;--ink:#0f172a;--ink-soft:#475569;--brand:#0f4c81;--brand-2:#1f7ab6;--line:#dbe8f3;--panel:#fff;--danger:#b91c1c;--shadow:0 12px 28px #0f4c811a;--radius:16px;color:var(--ink);-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased;font-family:Avenir Next,Nunito Sans,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%, #1f7ab629 0%, transparent 60%), radial-gradient(60rem 25rem at 110% -10%, #0f4c811a 0%, transparent 60%), linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 45%, #f8fbfe 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(98px + 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,#0b3559,#0f4c81 60%,#1f7ab6);padding:16px 20px}.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-wrap{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.card{padding:16px}.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:80px;min-height:48px;padding:12px 10px;font-size:.9rem;font-weight:600;transition:all .18s}.tab.active{color:var(--brand);background:#edf5fb;border-color:#b7d4ea;transform:translateY(-1px)}.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:#edf5fb;border-color:#b7d4ea}.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]{width:100%;font:inherit;color:var(--ink);background:#fcfeff;border:1px solid #d6e3ef;border-radius:10px;min-height:50px;padding:14px;font-size:1.02rem}.field input:focus{border-color:#b7d4ea;outline:2px solid #b7d4ea}.checkbox-row{color:var(--ink);flex-direction:row;align-items:center;gap:.45rem;margin-top:6px;font-size:.88rem;display:flex}.checkbox-row input{width:1rem;height:1rem;accent-color:var(--brand-2)}.actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.btn-primary,.btn-secondary{font:inherit;cursor:pointer;border:none;border-radius:12px;min-height:52px;padding:14px;font-size:1rem;font-weight:700}.btn-primary{color:#fff;background:linear-gradient(135deg,#0f4c81,#1f7ab6)}.btn-secondary{color:#1e3a56;background:#eef5fb;border:1px solid #d6e3ef}.tip{color:#34536f;background:#f8fbfe;border:1px dashed #d6e3ef;border-radius:10px;padding:10px 12px;font-size:.9rem}.tip.is-error{color:var(--danger);background:#fff5f5;border-color:#fca5a5}.tip.is-warning{color:#92400e;background:#fffbeb;border-color:#fcd34d}.results-card{background:linear-gradient(170deg,#f3f9ff,#fff)}.result-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.result-head h2{font-size:1rem}.btn-share{border:1px solid var(--brand);font:inherit;cursor:pointer;color:var(--brand);background:0 0;border-radius:8px;padding:5px 12px;font-size:.82rem;font-weight:700}.hero-number{text-align:center;flex-direction:column;align-items:center;margin-top:8px;display:flex}.hero-number span{color:var(--brand);font-size:clamp(2rem,5vw,2.6rem);font-weight:800;line-height:1.1}.hero-number small{color:var(--ink-soft);font-weight:600}.stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:10px;display:grid}.stat{background:#fff;border:1px solid #dbe8f3;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:1.05rem;font-weight:700;line-height:1.2}.customer-price-card{background:#fff;border:1px solid #dbe8f3;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:1.55rem;font-weight:700;line-height:1.1}.disclaimer-note{color:#5d7690;margin-top:10px;font-size:.78rem;font-style:italic}.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;padding:16px;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}.history-list{flex-direction:column;gap:10px;display:flex}.history-entry{border:1px solid var(--line);background:#f9fcff;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:#edf5fb;border-radius:5px;padding:2px 7px;font-size:.78rem;font-weight:700}.history-time{color:var(--ink-soft);font-size:.78rem}.history-volume{margin-bottom:6px;font-size:1.45rem;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:#5d7690;margin-top:4px;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}.history-action-share{border:1px solid var(--brand);color:var(--brand);background:0 0}.history-action-remove{color:var(--danger);background:#fff5f5;border:1px solid #fca5a5}.settings-panel{flex-direction:column;gap:22px;padding:16px;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-helper{color:var(--ink-soft);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;display:flex}.unit-btn.active{color:var(--brand);background:#edf5fb;border-color:#b7d4ea}.unit-btn-sub{opacity:.85;font-size:.72rem;font-weight:400}.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;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:#edf5fb;border-color:#b7d4ea}@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}}