:root{--bg: #0f172a;--surface: #1e293b;--border: #334155;--text: #e2e8f0;--muted: #94a3b8;--primary: #6366f1;--primary-hover: #4f46e5;--error: #f87171;--success: #4ade80}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}#root{min-height:100vh}.centered{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.5rem}.auth-card{width:100%;max-width:380px}.brand{margin:0;font-size:1.5rem;font-weight:700;letter-spacing:-.02em}.muted{color:var(--muted)}.small{font-size:.8rem}.form{display:flex;flex-direction:column;gap:1rem;margin-top:1rem}.form.row{flex-direction:row;align-items:center}.form.row input{flex:1}.field{display:flex;flex-direction:column;gap:.35rem;font-size:.85rem;color:var(--muted)}input{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:.6rem .75rem;color:var(--text);font-size:.95rem;width:100%}input:focus{outline:none;border-color:var(--primary)}.btn{background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:.6rem 1rem;font-size:.9rem;cursor:pointer;white-space:nowrap}.btn:hover{border-color:var(--muted)}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}.btn.primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.btn:disabled{opacity:.6;cursor:not-allowed}.link{background:none;border:none;color:var(--primary);cursor:pointer;padding:0;font-size:inherit}.link:hover{text-decoration:underline}.toggle{margin-top:1.25rem;text-align:center;font-size:.9rem;color:var(--muted)}.error{color:var(--error);font-size:.85rem;margin:0}.success{color:var(--success);font-size:.85rem;margin:0}.app{max-width:720px;margin:0 auto;padding:1rem}.topbar{display:flex;align-items:center;justify-content:space-between;padding:1rem 0;border-bottom:1px solid var(--border);margin-bottom:1.5rem}.topbar-right{display:flex;align-items:center;gap:1rem}.email{font-size:.85rem}.content{display:flex;flex-direction:column;gap:1.5rem}.content h2{margin:0 0 .5rem;font-size:1.1rem}.store-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}.store-item{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;background:var(--bg);border:1px solid var(--border);border-radius:8px}.store-name{font-weight:500}.store-item.clickable{cursor:pointer;transition:border-color .15s ease}.store-item.clickable:hover{border-color:var(--primary)}.store-item.clickable:focus-visible{outline:none;border-color:var(--primary)}.back-link{align-self:flex-start;font-size:.9rem}.upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1rem}.upload-box{display:flex;flex-direction:column;gap:.4rem;padding:1rem;background:var(--bg);border:1px dashed var(--border);border-radius:8px}.upload-title{font-weight:600;font-size:.95rem}.upload-box input[type=file]{font-size:.8rem;color:var(--muted);background:none;border:none;padding:0}.summary-list{list-style:none;margin:.5rem 0 0;padding:0;display:flex;flex-direction:column;gap:.5rem;font-size:.9rem}.summary-list li{padding:.6rem .75rem;background:var(--bg);border:1px solid var(--border);border-radius:8px}.dash-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.dash-filter{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.select,.date-input{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:.45rem .6rem;color:var(--text);font-size:.85rem}.select:focus,.date-input:focus{outline:none;border-color:var(--primary)}.custom-range{display:flex;align-items:center;gap:.4rem}.profit-headline{display:flex;align-items:flex-end;justify-content:space-between;gap:1.5rem;margin-top:1rem;padding:1.25rem;background:var(--bg);border:1px solid var(--border);border-radius:10px;flex-wrap:wrap}.profit-big{font-size:2.25rem;font-weight:700;letter-spacing:-.02em;line-height:1.1}.profit-big.pos{color:var(--success)}.profit-big.neg{color:var(--error)}.profit-note{margin:.5rem 0 0;max-width:30rem}.margin-pill{text-align:right}.margin-value{font-size:1.5rem;font-weight:700}.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.75rem;margin-top:1rem}.metric-card{padding:.85rem 1rem;background:var(--bg);border:1px solid var(--border);border-radius:8px}.metric-label{font-size:.78rem;color:var(--muted);margin-bottom:.25rem}.metric-value{font-size:1.15rem;font-weight:600}.month-picker{margin:.5rem 0 1.25rem}.month-picker-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:.75rem}.uploading-for{font-size:.9rem;color:var(--primary)}.month-year-group{margin-bottom:1rem}.month-year-heading{font-size:.8rem;font-weight:600;letter-spacing:.04em;color:var(--muted);margin:0 0 .5rem}.month-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:.5rem}.month-chip{display:flex;align-items:center;justify-content:center;gap:.35rem;padding:.55rem .6rem;font-size:.85rem;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:8px;cursor:pointer;transition:border-color .15s ease,background .15s ease}.month-chip:hover{border-color:var(--primary)}.month-chip.selected{border-color:var(--primary);background:#6366f126;font-weight:600}.month-chip.uploaded{color:var(--muted);background:transparent;border-style:dashed;cursor:pointer;opacity:.65}.month-chip.uploaded:hover{opacity:1;border-color:var(--muted)}.month-chip .check{color:var(--success);font-weight:700}.month-hint{margin-top:.6rem}.upload-locked{opacity:.5;pointer-events:none}.collapse-header{display:flex;align-items:center;gap:.6rem;width:100%;background:none;border:none;padding:0;cursor:pointer;text-align:left;color:var(--text)}.collapse-caret{color:var(--muted);font-size:.9rem}.collapse-title{margin:0}.collapse-counts{margin-left:auto}.collapse-body{margin-top:.5rem}.ledger-form{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:1rem}.ledger-form input[type=text]{flex:1 1 160px;width:auto}.toggle-group{display:inline-flex;gap:.25rem}.checkbox-field{display:inline-flex;align-items:center;gap:.4rem;font-size:.85rem;color:var(--muted)}.checkbox-field input{width:auto}.tag{display:inline-block;margin-left:.5rem;padding:.05rem .4rem;font-size:.7rem;border-radius:999px;background:var(--surface);border:1px solid var(--border);color:var(--muted);vertical-align:middle}.refund-row{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.review-heading{font-size:.95rem;margin:1.25rem 0 .5rem}.review-heading .link{font-size:.95rem;font-weight:600}.review-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}.review-item{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem 1rem;background:var(--bg);border:1px solid var(--border);border-radius:8px}.review-main{display:flex;flex-direction:column;gap:.2rem;min-width:0}.review-actions{display:flex;align-items:center;gap:.5rem;flex-shrink:0}.confirm-group{display:flex;align-items:center;gap:.35rem}.amount-input{width:90px;padding:.45rem .5rem}@media (max-width: 480px){.email{display:none}.upload-grid{grid-template-columns:1fr}.review-item{flex-direction:column;align-items:stretch}.review-actions{flex-wrap:wrap}}