*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f172a;--bg-card: #1e293b;--bg-input: #334155;--bg-hover: #2d3a4f;--bg-header: #1e293b;--text: #f1f5f9;--text-dim: #94a3b8;--accent: #38bdf8;--accent-hover: #7dd3fc;--green: #4ade80;--green-bg: #14532d33;--red: #f87171;--red-bg: #7f1d1d33;--blue-bg: #1e3a5f66;--orange: #fb923c;--orange-bg: #7c2d1233;--radius: 12px;--shadow: 0 4px 24px rgba(0, 0, 0, .3);--border: rgba(255,255,255,.06)}[data-theme=light]{--bg: #f1f5f9;--bg-card: #ffffff;--bg-input: #e2e8f0;--bg-hover: #e2e8f0;--bg-header: #ffffff;--text: #0f172a;--text-dim: #64748b;--accent: #0284c7;--accent-hover: #0369a1;--green: #16a34a;--green-bg: #dcfce7;--red: #dc2626;--red-bg: #fee2e2;--blue-bg: #dbeafe;--orange: #ea580c;--orange-bg: #ffedd5;--shadow: 0 4px 24px rgba(0, 0, 0, .08);--border: 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20px;color:var(--text-dim)}.empty-state p{margin-top:8px;font-size:.95rem}.debt-card{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--bg-card);border-radius:var(--radius);margin-bottom:10px;cursor:pointer;transition:background .2s;text-decoration:none;color:inherit}.debt-card:hover{background:var(--bg-hover)}.debt-card.selectable{border:2px solid transparent}.debt-card.selected{border-color:var(--accent)}.debt-card-left{display:flex;align-items:center;gap:14px;flex:1;min-width:0}.debt-avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;flex-shrink:0}.debt-avatar.credit{background:var(--green-bg);color:var(--green)}.debt-avatar.debit{background:var(--red-bg);color:var(--red)}.debt-info{min-width:0}.debt-info h3{font-size:.95rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.debt-info p{font-size:.8rem;color:var(--text-dim);margin-top:2px}.debt-card-right{text-align:right;flex-shrink:0}.debt-card-right .amount{font-size:1.05rem}.tabs{display:flex;gap:4px;margin:20px 0;background:var(--bg-card);border-radius:10px;padding:4px}.tab{flex:1;text-align:center;padding:10px;border-radius:8px;font-weight:600;font-size:.875rem;color:var(--text-dim);cursor:pointer;transition:all .2s}.tab.active{background:var(--accent);color:#fff}.fab{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.5rem;box-shadow:0 4px 16px #38bdf866;z-index:50;transition:transform .2s}.fab:hover{transform:scale(1.08)}.detail-header{margin-bottom:24px}.detail-amount{text-align:center;margin:20px 0}.detail-amount .total{font-size:2.5rem;font-weight:800}.detail-amount 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