:root{--bg: #f7f7f5;--surface: #ffffff;--border: #e4e2dd;--text: #1f1e1c;--text-muted: #6b6862;--accent: #2f6b4f;--accent-hover: #24543e;--danger: #a13a3a;--radius: 8px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--accent);text-decoration:none}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--surface);border-right:1px solid var(--border);padding:24px 16px;display:flex;flex-direction:column;gap:4px}.sidebar h1{font-size:18px;margin:0 8px 20px}.sidebar a{display:block;padding:8px 10px;border-radius:var(--radius);color:var(--text);font-size:14px}.sidebar a.active,.sidebar a:hover{background:#eef2ee;color:var(--accent)}.sidebar .subnav a{padding-left:26px;font-size:13px}.sidebar .user-row{margin-top:auto;padding:10px;font-size:13px;color:var(--text-muted)}.main{flex:1;padding:32px 40px;max-width:1100px}.page-title{font-size:22px;margin-bottom:20px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em}.stat-value{font-size:24px;font-weight:600;margin-top:4px}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;color:var(--text-muted);font-weight:500;font-size:12px;text-transform:uppercase;padding:8px;border-bottom:1px solid var(--border)}td{padding:8px;border-bottom:1px solid var(--border)}button,.btn{background:var(--accent);color:#fff;border:none;border-radius:var(--radius);padding:8px 14px;font-size:14px;cursor:pointer}button:hover,.btn:hover{background:var(--accent-hover)}button.secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}button.secondary:hover{background:#f0f0ee}button.danger{background:var(--danger)}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;width:100%;background:var(--surface);color:var(--text)}label{font-size:13px;color:var(--text-muted);display:block;margin-bottom:4px}.field{margin-bottom:14px}.form-row{display:flex;gap:12px}.form-row>div{flex:1}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px}.badge.active{background:#e4f1e8;color:var(--accent)}.badge.on_hold{background:#f6ecd9;color:#92661b}.badge.completed,.badge.draft{background:#eee;color:var(--text-muted)}.badge.sent{background:#dce9f7;color:#2a5c8a}.badge.paid{background:#e4f1e8;color:var(--accent)}.auth-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px}.auth-card{width:360px;max-width:100%}.error-text{color:var(--danger);font-size:13px;margin:8px 0}.muted{color:var(--text-muted);font-size:13px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:8px 16px;flex-wrap:wrap;margin-bottom:16px}@media (max-width: 860px){.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width: 700px){.app-shell{flex-direction:column;min-height:auto}.sidebar{width:100%;flex-direction:row;flex-wrap:wrap;align-items:center;gap:4px 8px;padding:12px 16px;border-right:none;border-bottom:1px solid var(--border)}.sidebar h1{flex:0 0 auto;margin:0 8px 0 0}.sidebar a{padding:6px 8px}.sidebar .subnav{display:contents}.sidebar .subnav a{padding-left:8px}.sidebar .user-row{margin:0 0 0 auto;padding:6px 0}.main{padding:20px 16px;max-width:100%}.grid-4{grid-template-columns:repeat(2,1fr);gap:12px}.form-row{flex-direction:column;gap:0}table{display:block;overflow-x:auto;white-space:nowrap}}@media (max-width: 420px){.grid-4{grid-template-columns:1fr}.card{padding:16px}}