:root{--bg: #07071a;--bg2: #0e0e2a;--bg3: #13132e;--surface: rgba(255,255,255,.04);--border: rgba(255,255,255,.09);--text: #e4e4f0;--muted: #7878a0;--accent: #7c5ef1;--accent2: #b47cf1;--green: #22d68a;--red: #e55;--gold: #f5c542;--radius: 14px;--trans: .18s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Apple SD Gothic Neo,Malgun Gothic,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh}button{cursor:pointer;border:none;background:none;font-family:inherit;font-size:inherit;color:inherit;transition:all var(--trans)}input{font-family:inherit;font-size:inherit;color:var(--text)}.app{display:flex;flex-direction:column;min-height:100vh}.main-content{max-width:960px;margin:0 auto;padding:32px 20px 80px;width:100%;display:flex;flex-direction:column;gap:36px}.site-header{position:sticky;top:0;z-index:100;display:flex;align-items:center;gap:12px;padding:14px 24px;background:#07071ad9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.header-logo{display:flex;align-items:center;gap:8px}.logo-icon{font-size:1.3rem}.logo-text{font-size:1.15rem;font-weight:800;background:linear-gradient(135deg,var(--accent2),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.logo-badge{font-size:.72rem;color:var(--muted);border:1px solid var(--border);border-radius:50px;padding:2px 8px}.header-actions{margin-left:auto;display:flex;gap:8px}.btn-share{padding:7px 16px;border-radius:50px;background:linear-gradient(135deg,var(--accent),#5b3de8);color:#fff;font-weight:700;font-size:.82rem}.btn-share:hover{opacity:.85;transform:translateY(-1px)}.btn-share.copied{background:var(--green)}.btn-clear{padding:7px 16px;border-radius:50px;border:1px solid var(--border);color:var(--muted);font-size:.82rem}.btn-clear:hover{border-color:var(--red);color:var(--red)}.lang-toggle{display:flex;border:1px solid var(--border);border-radius:50px;overflow:hidden}.lang-btn{padding:6px 13px;font-size:.8rem;color:var(--muted);background:none}.lang-btn:hover{color:var(--text);background:var(--surface)}.lang-btn.active{background:var(--accent);color:#fff}.hero-empty{text-align:center;padding:60px 20px;display:flex;flex-direction:column;align-items:center;gap:16px}.hero-emoji{font-size:3.5rem}.hero-title{font-size:1.7rem;font-weight:800;background:linear-gradient(135deg,var(--accent2),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-sub{font-size:1rem;color:var(--muted);line-height:1.7}.empty-hint{text-align:center;padding:32px;background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--muted)}.empty-hint-icon{font-size:1.8rem}.item-manager{display:flex;flex-direction:column;gap:16px}.add-form{display:flex;gap:10px;align-items:center;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;flex-wrap:wrap}.form-input{padding:9px 13px;background:var(--bg3);border:1px solid var(--border);border-radius:10px;font-size:.88rem;outline:none;transition:border-color var(--trans),box-shadow var(--trans)}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #7c5ef126}.form-input.input-error{border-color:var(--red)}.form-input.emoji-input{width:52px;text-align:center;font-size:1.1rem;padding:9px 6px}.form-input.flex-grow{flex:1;min-width:120px}.form-input.price-input{width:150px}.btn-add{padding:9px 20px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#5b3de8);color:#fff;font-weight:700;font-size:.88rem;white-space:nowrap}.btn-add:hover{opacity:.88;transform:translateY(-1px)}.form-error{font-size:.8rem;color:var(--red);padding:0 4px}.preset-section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;display:flex;flex-direction:column;gap:12px}.preset-label{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.cat-pills{display:flex;flex-wrap:wrap;gap:7px}.cat-pill{padding:5px 13px;border-radius:50px;border:1px solid var(--border);color:var(--muted);font-size:.8rem}.cat-pill:hover{color:var(--text);border-color:#fff3}.cat-pill.active{background:var(--accent);border-color:var(--accent);color:#fff}.preset-grid{display:flex;flex-wrap:wrap;gap:7px}.preset-chip{display:flex;align-items:center;gap:5px;padding:5px 12px;background:var(--bg3);border:1px solid var(--border);border-radius:50px;font-size:.82rem;color:var(--text)}.preset-chip:hover{border-color:var(--accent);background:#7c5ef11a;transform:translateY(-1px)}.preset-price{color:var(--gold);font-size:.73rem;font-weight:600}.preset-empty{font-size:.82rem;color:var(--muted);padding:6px 2px}.item-list-wrap{display:flex;flex-direction:column;gap:8px}.item-list-label{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}.item-list{list-style:none;display:flex;flex-direction:column;gap:6px}.item-row{display:flex;align-items:center;gap:10px;background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:10px 14px;transition:border-color var(--trans)}.item-row:hover{border-color:#ffffff26}.item-emoji{font-size:1.35rem;flex-shrink:0}.item-name{flex:1;font-weight:600;font-size:.92rem}.item-price{color:var(--gold);font-weight:700;font-size:.9rem;min-width:90px;text-align:right}.item-actions{display:flex;gap:4px;margin-left:8px}.btn-icon{width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.85rem}.btn-edit:hover{background:#7c5ef133}.btn-delete:hover{background:#e5555533}.btn-save:hover{background:#22d68a33}.btn-cancel:hover{background:#e5555526}.edit-input{padding:6px 10px;background:var(--bg3);border:1px solid var(--accent);border-radius:8px;font-size:.88rem;outline:none;color:var(--text)}.edit-input.emoji-input{width:46px;text-align:center;font-size:1.1rem;padding:6px 4px}.edit-input.flex-grow{flex:1;min-width:80px}.edit-input.price-edit{width:120px}.compare-section{display:flex;flex-direction:column;gap:20px}.compare-header{display:flex;flex-direction:column;gap:12px}.compare-title{font-size:1.15rem;font-weight:700}.base-selector{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.base-label{font-size:.8rem;color:var(--muted);white-space:nowrap}.base-pills{display:flex;flex-wrap:wrap;gap:7px}.base-pill{padding:5px 13px;border-radius:50px;border:1px solid var(--border);background:var(--surface);color:var(--muted);font-size:.8rem}.base-pill:hover{color:var(--text);border-color:#fff3}.base-pill.active{background:var(--accent);border-color:var(--accent);color:#fff}.compare-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.compare-card{background:var(--bg2);border:1px solid var(--border);border-radius:18px;padding:20px 22px;display:flex;flex-direction:column;gap:14px;animation:cardIn .3s ease both;transition:border-color var(--trans),transform var(--trans),box-shadow var(--trans)}.compare-card:hover{border-color:#7c5ef166;transform:translateY(-3px);box-shadow:0 10px 28px #7c5ef121}@keyframes cardIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.ratio-bar{height:4px;background:var(--border);border-radius:2px;overflow:hidden}.ratio-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:2px;min-width:4px}.card-sentence{font-size:.97rem;line-height:1.65;font-weight:500;word-break:keep-all}.card-equals{color:var(--muted);font-weight:400}.card-approx{color:var(--muted);font-size:.87rem}.card-result{color:var(--accent2)}.card-prices{display:flex;align-items:center;gap:10px;font-size:.8rem;padding-top:4px;border-top:1px solid var(--border)}.card-price{color:var(--gold);font-weight:600}.card-divider{color:var(--muted)}.site-footer{margin-top:auto;text-align:center;padding:20px;font-size:.78rem;color:var(--muted);border-top:1px solid var(--border)}@media (max-width: 600px){.site-header{padding:12px 16px}.logo-badge{display:none}.main-content{padding:20px 14px 60px;gap:24px}.add-form{padding:12px 14px;gap:8px}.form-input.price-input{width:120px}.compare-grid{grid-template-columns:1fr}.base-selector{flex-direction:column;align-items:flex-start}.item-price{min-width:70px;font-size:.83rem}}