:root{--color-primary: #1d9e75;--color-primary-dark: #0f6e56;--color-primary-light: #e8f5e9;--color-danger: #e24b4a;--color-warning: #ff9800;--color-text: #1a1a2e;--color-text-muted: #6b7280;--color-border: #e5e7eb;--color-bg: #f9fafb;--color-surface: #ffffff;--color-sidebar-bg: #0f6e56;--color-sidebar-text: rgba(255, 255, 255, .85);--color-sidebar-active: rgba(255, 255, 255, .15);--color-sidebar-hover: rgba(255, 255, 255, .08);--radius: 8px;--radius-lg: 12px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font);font-size:14px;line-height:1.5;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:var(--font)}input,select,textarea{font-family:var(--font)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:14px;font-weight:500;border:none;transition:background .15s,opacity .15s}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark)}.btn-secondary{background:var(--color-primary-light);color:var(--color-primary-dark)}.btn-secondary:hover:not(:disabled){background:#d4edda}.btn-danger{background:#fef2f2;color:var(--color-danger)}.btn-danger:hover:not(:disabled){background:#fee2e2}.btn-ghost{background:transparent;color:var(--color-text-muted);border:1px solid var(--color-border)}.btn-ghost:hover:not(:disabled){background:var(--color-bg)}.btn-sm{padding:5px 10px;font-size:12px}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.form-label{font-size:13px;font-weight:500;color:var(--color-text-muted)}.form-input{padding:9px 12px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:14px;background:var(--color-surface);color:var(--color-text);transition:border-color .15s,box-shadow .15s;width:100%}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #1d9e7526}.error-msg{background:#fef2f2;color:var(--color-danger);border:1px solid #fecaca;border-radius:var(--radius);padding:10px 14px;font-size:13px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-title{font-size:22px;font-weight:700;color:var(--color-text)}.page-subtitle{font-size:13px;color:var(--color-text-muted);margin-top:2px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;padding:10px 14px;font-size:12px;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--color-border);background:var(--color-bg)}td{padding:12px 14px;border-bottom:1px solid var(--color-border);font-size:14px}tr:last-child td{border-bottom:none}tr:hover td{background:var(--color-bg)}.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.loading-center{display:flex;align-items:center;justify-content:center;padding:60px}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:99px;font-size:12px;font-weight:500}.badge-draft{background:#f3f4f6;color:#6b7280}.badge-sent{background:#eff6ff;color:#2563eb}.badge-paid{background:#f0fdf4;color:#16a34a}.badge-active{background:var(--color-primary-light);color:var(--color-primary-dark)}.badge-inactive{background:#f3f4f6;color:#6b7280}.badge-reminded{background:#fff7ed;color:#c2410c}.badge-final-notice{background:#fef2f2;color:#dc2626}.badge-collections{background:#7f1d1d;color:#fff}.badge-partially-paid{background:#fef9c3;color:#92400e}.empty-state{text-align:center;padding:48px 24px;color:var(--color-text-muted)}.empty-state p{margin-top:8px;font-size:13px}select.form-input{-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'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:32px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal{background:var(--color-surface);border-radius:var(--radius-lg);padding:28px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-md)}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-title{font-size:18px;font-weight:700}.modal-close{background:none;border:none;font-size:20px;color:var(--color-text-muted);cursor:pointer;line-height:1;padding:4px}.modal-close:hover{color:var(--color-text)}.divider{height:1px;background:var(--color-border);margin:20px 0}.text-muted{color:var(--color-text-muted);font-size:13px}.text-sm{font-size:12px}.font-medium{font-weight:500}.font-semibold{font-weight:600}@keyframes fadeInCard{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}