:root{--bg: #000000;--bg-elevated: #0a0a0a;--bg-hover: #111111;--border: #1a1a1a;--border-strong: #2a2a2a;--text: #ffffff;--text-secondary: #888888;--text-tertiary: #555555;--accent: #ff2d2d;--accent-hover: #ff4444;--accent-pressed: #cc2424;--accent-soft: rgba(255, 45, 45, .08);--success: #4ade80;--radius: 8px;--radius-lg: 12px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--transition: .18s cubic-bezier(.2, .8, .2, 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var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:border-color var(--transition)}.card:hover{border-color:var(--border-strong)}.card-header{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}.card-title{font-size:14px;font-weight:600;letter-spacing:-.01em;display:flex;align-items:center;gap:10px}.card-title .index{font-family:var(--font-mono);font-size:11px;color:var(--text-tertiary);font-weight:500}.card-badge{font-family:var(--font-mono);font-size:11px;color:var(--text-secondary);background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:3px 10px;font-weight:500}.card-body{padding:22px}@media (max-width: 640px){.card-body{padding:18px}}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-secondary);font-weight:500}.input,.select{width:100%;height:42px;padding:0 14px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:14px;transition:border-color var(--transition),background var(--transition);font-variant-numeric:tabular-nums}.input:hover,.select:hover{border-color:var(--border-strong)}.input:focus,.select:focus{border-color:var(--accent);background:var(--bg)}.input::placeholder{color:var(--text-tertiary)}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%23888' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}.select option{background:var(--bg-elevated);color:var(--text)}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media (max-width: 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.currency{font-size:12px;color:var(--text-secondary);margin-left:2px;font-weight:500}.balance-settled{padding:32px 16px;text-align:center;border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-secondary)}.balance-settled .check{width:32px;height:32px;margin:0 auto 10px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center}.balance-settled .title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:2px}.expense-table{width:100%;border-collapse:collapse}.expense-table th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-tertiary);font-weight:500;padding:12px 22px;border-bottom:1px solid var(--border);background:var(--bg-elevated)}.expense-table td{padding:16px 22px;border-bottom:1px solid var(--border);font-size:13.5px;vertical-align:middle}.expense-table tr:last-child td{border-bottom:none}.expense-table tr{transition:background var(--transition)}.expense-table tbody tr:hover{background:#ffffff04}.expense-date{font-family:var(--font-mono);font-size:12px;color:var(--text-secondary);white-space:nowrap}.expense-desc{font-weight:500;color:var(--text)}.expense-payer{display:inline-flex;align-items:center;gap:8px;color:var(--text-secondary)}.expense-amount{font-family:var(--font-mono);font-weight:600;text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.expense-amount .currency{color:var(--text-secondary);font-weight:500;margin-left:2px;font-size:12px}.expense-splits{display:flex;flex-wrap:wrap;gap:4px;max-width:280px}.split-tag{font-family:var(--font-mono);font-size:11px;color:var(--text-secondary);background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:2px 7px;white-space:nowrap}.col-actions{width:50px;text-align:right}.col-amount{text-align:right}.col-splits{width:280px}.col-payer{width:160px}.col-date{width:110px}.table-scroll{overflow-x:auto}@media (max-width: 760px){.expense-table thead{display:none}.expense-table,.expense-table tbody,.expense-table tr,.expense-table td{display:block}.expense-table tr{border-bottom:1px solid var(--border);padding:12px 16px;position:relative}.expense-table td{padding:4px 0;border:none}.expense-table td.col-actions{position:absolute;top:14px;right:14px;width:auto}.expense-amount{text-align:left;font-size:16px;margin-top:4px}.col-splits,.col-payer,.col-date{width:auto}.expense-amount:before{content:"Total ";color:var(--text-tertiary);font-size:11px;text-transform:uppercase;letter-spacing:.08em;margin-right:6px;font-family:var(--font-sans);font-weight:500}}.toast-wrap{position:fixed;bottom:24px;left:50%;transform:translate(-50%);z-index:100;pointer-events:none}.toast{background:var(--bg-elevated);border:1px solid var(--border-strong);border-radius:var(--radius);padding:10px 16px;font-size:13px;color:var(--text);box-shadow:0 12px 40px #0006;display:flex;align-items:center;gap:10px;animation:toast-in .24s cubic-bezier(.2,.8,.2,1)}.toast.error{border-color:var(--accent)}.toast .dot{width:8px;height:8px;border-radius:50%;background:var(--success)}.toast.error .dot{background:var(--accent)}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.loading-bar{position:fixed;top:64px;left:0;right:0;height:2px;background:var(--border);overflow:hidden;z-index:40;opacity:0;transition:opacity .2s}.loading-bar.is-loading{opacity:1}.loading-bar:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,transparent,var(--accent),transparent);animation:loading 1s infinite}@keyframes loading{0%{transform:translate(-100%)}to{transform:translate(100%)}}.footer{border-top:1px solid var(--border);padding:20px 0;text-align:center;color:var(--text-tertiary);font-size:12px;font-family:var(--font-mono)}.footer a{color:var(--text-secondary);transition:color var(--transition)}.footer a:hover{color:var(--accent)}.person-list::-webkit-split-list::-webkit-scrollbar,.split-list::-webkit-scrollbar,.table-scroll::-webkit-scrollbar{width:8px;height:8px}.person-list::-webkit-scrollbar-thumb,.split-list::-webkit-scrollbar-thumb,.table-scroll::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}.person-list::-webkit-scrollbar-track,.split-list::-webkit-scrollbar-track,.table-scroll::-webkit-scrollbar-track{background:transparent}