:root{--color-bg: #f6f7f9;--color-surface: #ffffff;--color-border: #e3e6eb;--color-primary: #0f5c4c;--color-primary-dark: #0b463a;--color-danger: #c0392b;--color-text: #1c2126;--color-text-muted: #6b7280;--radius: 10px}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Inter,system-ui,sans-serif;background:var(--color-bg);color:var(--color-text)}h1,h2,h3{margin:0 0 8px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px;margin-bottom:16px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--color-border);font-size:14px}th{color:var(--color-text-muted);font-weight:600}button{background:var(--color-primary);color:#fff;border:none;border-radius:8px;padding:8px 16px;font-size:14px;cursor:pointer}button:hover{background:var(--color-primary-dark)}button.secondary{background:transparent;color:var(--color-primary);border:1px solid var(--color-border)}input,select{border:1px solid var(--color-border);border-radius:8px;padding:8px 10px;font-size:14px;width:100%}label{display:block;font-size:13px;color:var(--color-text-muted);margin-bottom:4px}.field{margin-bottom:12px}.balance-positive{color:var(--color-danger);font-weight:700}.balance-clear{color:var(--color-primary);font-weight:700}.modal-backdrop{position:fixed;inset:0;background:#0f14198c;display:flex;align-items:center;justify-content:center;padding:24px;z-index:1000}.modal{background:var(--color-surface);border-radius:var(--radius);padding:24px;width:100%;max-width:800px;max-height:calc(100vh - 48px);overflow-y:auto;box-shadow:0 24px 60px #0000004d}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.modal-header h3{margin:0}.modal-close{background:transparent;color:var(--color-text-muted);border:none;font-size:22px;line-height:1;padding:2px 8px;cursor:pointer;border-radius:6px}.modal-close:hover{background:var(--color-bg);color:var(--color-text)}