:root{--bg: #f7f8fa;--surface: #ffffff;--text: #111827;--muted: #6b7280;--accent: #0066ff;--accent-soft: #e8f0ff;--border: #e5e7eb;--ok: #059669;--warn: #d97706;--danger: #dc2626;--radius: 12px;--font: "IBM Plex Sans", system-ui, sans-serif;--shadow: 0 1px 2px rgba(16, 24, 40, .06)}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{font-family:var(--font);color:var(--text);background:radial-gradient(1200px 600px at 10% -10%,#dbeafe 0%,transparent 55%),radial-gradient(900px 500px at 100% 0%,#f1f5f9 0%,transparent 50%),var(--bg);-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}button,input,select{font:inherit}.shell{max-width:440px;margin:0 auto;padding:16px 16px 88px;min-height:100vh}.shell.admin{max-width:1100px;padding-bottom:32px}.brand{font-size:28px;font-weight:700;letter-spacing:-.03em;margin:24px 0 4px}.sub{color:var(--muted);margin:0 0 24px;font-size:15px}.card-list{display:flex;flex-direction:column;gap:12px}.invoice{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);display:block;color:inherit}.invoice:active{transform:scale(.995)}.invoice h3{margin:0 0 4px;font-size:17px}.meta{color:var(--muted);font-size:13px}.amount{font-size:22px;font-weight:600;margin-top:10px}.badge{display:inline-block;font-size:12px;font-weight:500;padding:2px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent)}.badge.ok{background:#d1fae5;color:var(--ok)}.badge.warn{background:#fef3c7;color:var(--warn)}.badge.danger{background:#fee2e2;color:var(--danger)}.form{display:flex;flex-direction:column;gap:12px}.form label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}.form input,.form select{border:1px solid var(--border);border-radius:10px;padding:12px 14px;background:var(--surface);color:var(--text)}.btn{border:none;border-radius:10px;padding:12px 16px;background:var(--accent);color:#fff;font-weight:600;cursor:pointer}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn.ghost{background:transparent;color:var(--accent);padding:8px 0}.error{color:var(--danger);font-size:14px}.nav{position:fixed;left:0;right:0;bottom:0;background:#ffffffeb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--border);display:flex;justify-content:space-around;padding:10px 8px calc(10px + env(safe-area-inset-bottom));max-width:440px;margin:0 auto}.nav a{color:var(--muted);font-size:12px;font-weight:500;padding:6px 12px}.nav a.active{color:var(--accent)}.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.topbar h1{margin:0;font-size:22px;letter-spacing:-.02em}.qr{width:100%;max-width:220px;display:block;margin:16px auto;background:#fff;border:1px solid var(--border);border-radius:8px}.row{display:flex;gap:8px;flex-wrap:wrap}.admin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.table{width:100%;border-collapse:collapse;font-size:14px;background:var(--surface);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}.table th,.table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}.table th{background:#f9fafb;color:var(--muted);font-weight:500}.resident{padding:10px 0;border-bottom:1px solid var(--border)}.resident:last-child{border-bottom:none}@media(min-width:900px){.shell:not(.admin){max-width:520px}.nav{max-width:520px}}