:root{--bg: #f1f3f6;--card: #ffffff;--ink: #1f2937;--muted: #6b7280;--accent: #136f63;--accent-2: #0b4f6c;--danger: #c0392b;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(160deg,#f1f3f6,#d7e5f0)}.page{min-height:100vh;padding:24px}.card{background:var(--card);border-radius:14px;padding:20px;box-shadow:0 12px 30px #00000014}.auth-page{display:grid;place-items:center}.auth-card{width:100%;max-width:430px}.auth-toggle{display:grid;grid-template-columns:1fr 1fr;margin:12px 0;gap:10px}.auth-toggle button.active{background:var(--accent-2)}.form-grid{display:grid;gap:10px}.field-label{display:flex;flex-direction:column;gap:6px;font-size:.92rem;color:var(--ink)}.checkbox-label{display:flex;align-items:center;gap:10px;font-size:.92rem;color:var(--ink)}.checkbox-label input{width:auto}input,select,textarea,button{border:1px solid #d1d5db;border-radius:10px;padding:10px;font:inherit}button{border:0;background:var(--accent);color:#fff;cursor:pointer}button:hover{opacity:.9}button.danger{background:var(--danger)}.error{color:#b91c1c}.message{color:#065f46}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.tab-switcher{display:flex;gap:10px;margin-bottom:14px}.tab-button{background:#9ca3af;color:#fff;min-width:120px}.tab-button.active{background:var(--accent-2)}.table-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.filter-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end;padding:12px 0 14px;border-bottom:1px solid #e5e7eb;margin-bottom:12px}.filter-item{flex:1 1 150px;min-width:120px;display:flex;flex-direction:column;gap:4px;font-size:.8rem;color:var(--muted);height:60px}.filter-item-date{flex:1 1 140px}.filter-item input,.filter-item select{width:100%;flex:1 1 150px;padding:8px 10px;font-size:.88rem}.btn-clear-filter{background:#9ca3af;color:#fff;padding:8px 14px;font-size:.85rem;white-space:nowrap;flex:0 0 auto}.stat-card .amount{font-size:1.8rem;margin:0;font-weight:700}.content-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:14px;margin-bottom:14px}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid #e5e7eb}.summary-list{list-style:none;margin:0;padding:0}.summary-list li{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid #e5e7eb}.action-cell{display:flex;gap:6px;flex-wrap:wrap}.btn-mark-paid{background:#136f63;color:#fff;font-size:.8rem;padding:6px 10px}.btn-is-paid{background:#065f46;color:#fff;font-size:.8rem;padding:6px 10px;cursor:default}.btn-attach{background:#0b4f6c;color:#fff;font-size:.8rem;padding:6px 10px}.attachment-row td{background:#f0f7ff;padding:14px 20px}.attachment-panel{display:flex;flex-direction:column;gap:10px}.attachment-list{display:flex;flex-direction:column;gap:6px}.attachment-item{display:flex;align-items:center;gap:12px;padding:6px 0;border-bottom:1px solid #dbeafe}.attach-name{flex:1;font-weight:500}.attach-size{color:#6b7280;font-size:.85rem}.attachment-item button{padding:4px 10px;font-size:.8rem}.upload-label{display:flex;align-items:center;gap:10px;font-size:.9rem;padding-top:6px;border-top:1px solid #dbeafe}.upload-label input[type=file]{padding:4px;border:1px dashed #9ca3af;border-radius:8px;cursor:pointer}@media (max-width: 900px){.content-grid,.stats-grid{grid-template-columns:1fr}}