:root{--bg: #f4f6f9;--surface: #ffffff;--text: #1a2332;--muted: #6b7a90;--primary: #2563eb;--primary-hover: #1d4ed8;--success: #059669;--danger: #dc2626;--warning: #d97706;--border: #e2e8f0;--radius: 12px;--shadow: 0 1px 3px rgba(0,0,0,.08);--nav-h: 56px;--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}button,input,select,textarea{font:inherit}.container{max-width:1200px;margin:0 auto;padding:16px;padding-bottom:calc(16px + var(--safe-bottom))}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border:none;border-radius:8px;cursor:pointer;font-weight:500;background:var(--primary);color:#fff;min-height:44px}.btn:hover{background:var(--primary-hover)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:#e2e8f0;color:var(--text)}.btn-danger{background:var(--danger)}.btn-block{width:100%}.btn-sm{padding:6px 12px;min-height:36px;font-size:14px}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:14px;font-weight:500;margin-bottom:6px;color:var(--muted)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;min-height:44px}.form-group textarea{min-height:80px;resize:vertical}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}th{font-weight:600;color:var(--muted);font-size:12px;text-transform:uppercase}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:500}.badge-income{background:#d1fae5;color:#065f46}.badge-expense{background:#fee2e2;color:#991b1b}.badge-paid{background:#dbeafe;color:#1e40af}.badge-expected{background:#fef3c7;color:#92400e}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}.stat-card{background:var(--surface);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}.stat-card .label{font-size:12px;color:var(--muted);margin-bottom:4px}.stat-card .value{font-size:20px;font-weight:700}.stat-card .value.positive{color:var(--success)}.stat-card .value.negative{color:var(--danger)}.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}.filters input,.filters select{padding:8px 12px;border:1px solid var(--border);border-radius:8px;min-height:40px}.layout{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--surface);border-bottom:1px solid var(--border);padding:0 16px;height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.header h1{font-size:18px;font-weight:700}.header .user{font-size:13px;color:var(--muted)}.nav{display:flex;gap:4px;overflow-x:auto;padding:8px 16px;background:var(--surface);border-bottom:1px solid var(--border);-webkit-overflow-scrolling:touch}.nav a{white-space:nowrap;padding:8px 14px;border-radius:8px;color:var(--muted);font-size:14px;font-weight:500}.nav a.active,.nav a:hover{background:#eff6ff;color:var(--primary)}.main{flex:1}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.login-card{width:100%;max-width:400px;background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.login-card h1{margin-bottom:8px;font-size:22px}.login-card p{color:var(--muted);margin-bottom:20px;font-size:14px}.mobile-fab{position:fixed;right:16px;bottom:calc(16px + var(--safe-bottom));width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:28px;box-shadow:0 4px 12px #2563eb66;cursor:pointer;z-index:50}.op-list{list-style:none}.op-item{background:var(--surface);border-radius:var(--radius);padding:14px;margin-bottom:10px;box-shadow:var(--shadow);cursor:pointer}.op-item .top{display:flex;justify-content:space-between;align-items:start;gap:8px}.op-item .amount{font-weight:700;font-size:16px}.op-item .meta{font-size:13px;color:var(--muted);margin-top:6px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:flex-end;justify-content:center;z-index:200;padding:0}.modal{background:var(--surface);border-radius:16px 16px 0 0;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;padding:20px}@media (min-width: 640px){.modal-overlay{align-items:center;padding:16px}.modal{border-radius:var(--radius);max-height:85vh}}.tabs{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.tab{padding:8px 16px;border-radius:8px;border:1px solid var(--border);background:#fff;cursor:pointer;font-size:14px}.tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}.error{color:var(--danger);font-size:14px;margin-top:8px}.success{color:var(--success);font-size:14px;margin-top:8px}.checkbox-grid{display:grid;gap:8px}.checkbox-grid label{display:flex;align-items:center;gap:8px;font-size:14px}@media (max-width: 640px){.hide-mobile{display:none!important}th:nth-child(n+4),td:nth-child(n+4){display:none}}