:root{color-scheme:light;--bg:#f5f6fa;--text:#1c2333;--muted:#5a6478;--faint:#8a93a8;--card-bg:#fff;--card-border:#e3e6ee;--card-shadow:0 1px 3px rgba(20,30,60,.05);--line:#e3e6ee;--row-line:#edf0f6;--input-border:#cfd5e3;--accent:#3b6ef5;--accent-strong:#2f5ce0;--accent-soft-bg:#eef2fd;--accent-soft-hover:#dfe7fc;--btn-disabled:#a9bce8;--focus-ring:#3b6ef5;--green:#1e7a3c;--magenta:#402020;--green-bg:#e9f8ef;--red:#b3261e;--error-bg:#fdecec;--error-border:#f5c2c2;--error-text:#8f1f1f;--prk:#284c28;--pya:#ef2c20;--sam:#d81b60;--mag:#e31e24;--mon:#ff6b00}:root[data-theme=dark]{color-scheme:dark;--bg:#070b14;--text:#e6ebf5;--muted:#9aa3b8;--faint:#6f7890;--card-bg:rgba(15,21,36,.88);--card-border:rgba(94,129,255,.22);--card-shadow:0 0 0 1px rgba(94,129,255,.06),0 0 22px rgba(77,140,255,.14),inset 0 0 30px rgba(77,140,255,.04);--line:rgba(94,129,255,.18);--row-line:rgba(94,129,255,.12);--input-border:rgba(94,129,255,.3);--accent:#4d7cff;--accent-strong:#6c8fff;--accent-soft-bg:rgba(77,124,255,.14);--accent-soft-hover:rgba(77,124,255,.22);--btn-disabled:#33406b;--focus-ring:#4dc9ff;--green:#3dffa0;--magenta:#c04070;--green-bg:rgba(61,255,160,.1);--red:#ff5470;--error-bg:rgba(255,84,112,.08);--error-border:rgba(255,84,112,.35);--error-text:#ff8fa3;--prk:#284c28;--pya:#b11;--sam:#eee;--mon:#ff8c33}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.45;transition:background-color .25s ease,color .25s ease}:root[data-theme=dark] body{background:radial-gradient(1100px 560px at 85% -10%,rgba(77,124,255,.16),transparent 60%),radial-gradient(900px 520px at -10% 110%,rgba(255,77,216,.1),transparent 60%),var(--bg)}.container{max-width:880px;margin:0 auto;padding:28px 16px 72px}header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}header h1{margin:0 0 4px;font-size:30px;letter-spacing:-.5px}:root[data-theme=dark] header h1{color:#bfe9ff;text-shadow:0 0 8px rgba(77,201,255,.9),0 0 26px rgba(77,140,255,.55),0 0 60px rgba(124,58,237,.35)}.subtitle{margin:0 0 24px;color:var(--muted);font-size:15px}.theme-toggle{flex:0 0 auto;margin-top:4px;border-radius:999px;border:1px solid var(--input-border);background:var(--card-bg);color:var(--text);padding:7px 14px;font-size:13px;font-family:inherit;cursor:pointer;transition:box-shadow .2s ease,border-color .2s ease}:root[data-theme=dark] .theme-toggle:hover{border-color:var(--focus-ring);box-shadow:0 0 14px rgba(77,201,255,.45)}.header-actions{display:flex;align-items:center;gap:8px;margin-top:4px}.logout-btn{border-radius:999px;border:1px solid var(--input-border);background:transparent;color:var(--muted);padding:7px 14px;font-size:13px;font-family:inherit;cursor:pointer;transition:color .15s,border-color .15s}.logout-btn:hover{color:var(--red);border-color:var(--red)}.card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:14px;padding:20px;margin-bottom:20px;box-shadow:var(--card-shadow)}.card label.field-label{display:block;font-weight:600;margin-bottom:8px;font-size:14px}textarea{width:100%;min-height:96px;resize:vertical;border:1px solid var(--input-border);border-radius:10px;padding:10px 12px;font-size:15px;font-family:inherit;color:inherit;background:transparent}textarea:focus{outline:2px solid var(--focus-ring);border-color:transparent}:root[data-theme=dark] textarea:focus{box-shadow:0 0 0 3px rgba(77,201,255,.2),0 0 18px rgba(77,201,255,.4)}.stores{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.store-label{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--input-border);border-radius:999px;padding:7px 14px;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;font-size:14px;background:var(--card-bg)}.store-label:hover{border-color:var(--accent)}:root[data-theme=dark] .store-label:hover{box-shadow:0 0 12px rgba(77,201,255,.35)}.store-label input{margin:0;accent-color:var(--accent)}.store-hint{font-size:11px;color:var(--faint)}.btn{margin-top:18px;width:100%;border:none;border-radius:12px;background:var(--accent);color:#fff;font-size:16px;font-weight:600;padding:13px 18px;cursor:pointer}.btn:hover{background:var(--accent-strong)}.btn:disabled{background:var(--btn-disabled);cursor:default}:root[data-theme=dark] .btn{background:linear-gradient(135deg,#2f5ce0,#7a3cff 60%,#d84dff 130%);box-shadow:0 0 14px rgba(99,102,241,.6),0 0 40px rgba(124,58,237,.35)}:root[data-theme=dark] .btn:hover{box-shadow:0 0 20px rgba(99,102,241,.85),0 0 60px rgba(124,58,237,.5)}:root[data-theme=dark] .btn:disabled{background:var(--btn-disabled);box-shadow:none}.btn-row{display:flex;gap:10px}.btn-row .btn{margin-top:18px;flex:1 1 auto}.btn-secondary{background:var(--accent-soft-bg);color:var(--accent-strong)}.btn-secondary:hover{background:var(--accent-soft-hover)}.btn-secondary:disabled{background:var(--accent-soft-bg);color:var(--faint)}.price-change{display:inline-block;margin-top:2px;font-size:12px;font-weight:600}.price-change.down{color:var(--green)}.price-change.up{color:var(--red)}:root[data-theme=dark] .price-change.down{text-shadow:0 0 8px rgba(61,255,160,.7)}:root[data-theme=dark] .price-change.up{text-shadow:0 0 8px rgba(255,84,112,.7)}.status-line{margin-top:8px;padding-top:8px;border-top:1px solid var(--line);font-size:12px}.loading{text-align:center;color:var(--muted);padding:18px 0;font-size:15px}.error-box{background:var(--error-bg);border:1px solid var(--error-border);color:var(--error-text);border-radius:10px;padding:12px 14px;margin-bottom:16px;font-size:14px}.result h2{margin:0 0 4px;font-size:19px}:root[data-theme=dark] .result h2{color:#bfe9ff;text-shadow:0 0 10px rgba(77,201,255,.6)}.result .meta{color:var(--faint);font-size:12.5px;margin-bottom:12px}.offer-row{display:flex;align-items:center;gap:12px;padding:10px 4px;border-top:1px solid var(--row-line);font-size:14.5px}.offer-row:first-of-type{border-top:none}.rank{flex:0 0 26px;height:26px;border-radius:50%;background:var(--accent-soft-bg);color:var(--accent);font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center}:root[data-theme=dark] .rank{color:#7fd8ff;box-shadow:0 0 10px rgba(77,201,255,.35);text-shadow:0 0 6px rgba(77,201,255,.8)}.offer-main{flex:1 1 auto;min-width:0}.offer-name{font-weight:500}.offer-vol{color:var(--faint);font-size:12.5px}.offer-price{flex:0 0 auto;text-align:right}.price-value{font-weight:700;font-size:15px}:root[data-theme=dark] .price-value{color:#d6f4ff;text-shadow:0 0 8px rgba(77,201,255,.5)}.unit-badge{display:inline-block;margin-top:2px;background:var(--green-bg);color:var(--green);border-radius:6px;padding:1px 7px;font-size:12px;font-weight:600}:root[data-theme=dark] .unit-badge{box-shadow:0 0 10px rgba(61,255,160,.3);text-shadow:0 0 6px rgba(61,255,160,.7)}.store-chip{flex:0 0 auto;border-radius:999px;padding:4px 11px;font-size:12.5px;font-weight:600;color:#fff}.store-perekrestok{background:var(--prk)}.store-pyaterochka{background:var(--pya)}.store-samokat{background:var(--sam)}.store-magnit{background:var(--mag)}.store-monetka{background:var(--mon)}.store-lenta{background:#fff;color:#0057ff}:root[data-theme=dark] .store-perekrestok{box-shadow:0 0 12px rgba(77,200,94,.6)}:root[data-theme=dark] .store-pyaterochka{box-shadow:0 0 12px rgba(255,166,77,.6)}:root[data-theme=dark] .store-samokat{color:var(--magenta);box-shadow:0 0 12px hsla(0,0%,100%,.6)}:root[data-theme=dark] .store-magnit{box-shadow:0 0 12px rgba(227,30,36,.6)}:root[data-theme=dark] .store-monetka{box-shadow:0 0 12px rgba(255,140,51,.6)}:root[data-theme=dark] .store-lenta{box-shadow:0 0 12px rgba(0,87,255,.6)}.empty{color:var(--muted);padding:10px 4px;font-size:14px}footer.note{margin-top:26px;color:var(--faint);font-size:12.5px}.lists-bar{margin-bottom:12px}.list-select,.lists-bar{display:flex;align-items:center;gap:6px}.list-select{flex:1 1 auto;min-width:0;border:1px solid var(--input-border);border-radius:8px;padding:6px 10px;font-size:14px;font-family:inherit;color:inherit;background:transparent;cursor:pointer;justify-content:space-between;text-align:left}.list-select:focus{outline:2px solid var(--focus-ring);border-color:transparent}.list-select-arrow{font-size:12px;opacity:.6;flex-shrink:0}.list-select-wrap{position:relative;flex:1 1 auto;min-width:0}.list-select-overlay{position:fixed;inset:0;z-index:998}.list-select-dropdown{position:absolute;top:calc(100% + 4px);left:0;right:0;z-index:999;margin:0;padding:4px 0;list-style:none;background:var(--card-bg);border:1px solid var(--input-border);border-radius:8px;box-shadow:0 4px 16px rgba(0,0,0,.25);max-height:240px;overflow-y:auto}.list-select-option{padding:7px 12px;font-size:14px;cursor:pointer;color:var(--text);transition:background .1s}.list-select-option:hover{background:var(--accent-soft-bg)}.list-select-option.active{font-weight:600;color:var(--accent)}.rename-group{display:flex;align-items:center;gap:4px}.rename-input{width:120px;border:1px solid var(--input-border);border-radius:6px;font-family:inherit;color:inherit;background:transparent}.btn-sm,.rename-input{padding:5px 8px;font-size:13px}.btn-sm{background:var(--accent-soft-bg);color:var(--accent-strong)}.btn-icon,.btn-sm{border:none;border-radius:6px;cursor:pointer}.btn-icon{background:transparent;color:var(--muted);padding:5px 7px;font-size:14px;transition:background .15s}.btn-icon:hover{background:var(--accent-soft-bg)}.store-progress{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.progress-chip{display:inline-flex;align-items:center;border-radius:999px;padding:5px 12px;font-size:13px;font-weight:500;border:1px solid var(--input-border);background:var(--card-bg)}.progress-chip.loading{border-color:var(--accent);color:var(--accent)}.progress-chip.done{border-color:var(--green);color:var(--green)}.progress-chip.error{border-color:var(--red);color:var(--red)}.chart-btn{flex:0 0 auto;border:none;background:transparent;font-size:16px;cursor:pointer;padding:4px;border-radius:6px;opacity:.7;transition:opacity .15s,background .15s}.chart-btn:hover{opacity:1;background:var(--accent-soft-bg)}.chart-container{padding:8px 4px 12px 38px}.chart-empty,.chart-loading{color:var(--faint);font-size:13px;padding:8px 0}.price-chart svg{display:block}@media (max-width:768px){.container{padding:16px 12px 56px}header h1{font-size:24px}.card{padding:14px}textarea{font-size:16px;min-height:80px}.stores{gap:6px}.store-label{padding:6px 10px;font-size:13px}.offer-row{flex-wrap:wrap;gap:8px}.store-chip{order:-1;width:100%;text-align:center;margin-bottom:4px}.offer-price{text-align:left}.chart-container{padding-left:12px}}@media (max-width:480px){.btn-row .btn{width:100%}.lists-bar{flex-wrap:wrap}.list-select{min-width:140px}.store-progress{gap:5px}.progress-chip{padding:4px 8px;font-size:12px}}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:360px;background:var(--card-bg);border:1px solid var(--card-border);border-radius:12px;padding:32px 28px;box-shadow:var(--card-shadow)}.login-title{font-size:24px;font-weight:700;margin:0 0 4px;text-align:center}.login-subtitle{font-size:14px;color:var(--muted);margin:0 0 24px;text-align:center}.login-label{display:block;font-size:13px;font-weight:500;color:var(--muted);margin-bottom:4px}.login-input{width:100%;box-sizing:border-box;padding:10px 12px;font-size:15px;font-family:inherit;color:var(--text);background:transparent;border:1px solid var(--input-border);border-radius:8px;margin-bottom:16px}.login-input:focus{outline:2px solid var(--focus-ring);border-color:transparent}.login-error{background:var(--error-bg);border:1px solid var(--error-border);color:var(--error-text);padding:8px 12px;border-radius:6px;font-size:13px;margin-bottom:16px}.login-btn{width:100%;padding:11px;font-size:15px;font-weight:600;font-family:inherit;color:#fff;background:var(--accent);border:none;border-radius:8px;cursor:pointer;transition:background .15s}.login-btn:hover:not(:disabled){background:var(--accent-strong)}.login-btn:disabled{opacity:.6;cursor:not-allowed}