:root{--bg:#f6f7fb;--card:#fff;--text:#101828;--muted:#667085;--pri:#7c3aed;--pri2:#4f46e5;--border:#e5e7eb;--success:#16a34a;--danger:#dc2626;--warn:#d97706}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.app{display:flex;min-height:100vh}.sidebar{width:280px;background:#111827;color:#fff;padding:18px;position:fixed;top:0;bottom:0;overflow:auto}.brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}.brand .logo{width:45px;height:45px;background:linear-gradient(135deg,var(--pri),#f59e0b);border-radius:14px;display:grid;place-items:center;font-weight:800}.brand span{display:block;color:#cbd5e1;font-size:12px}.sidebar nav a{display:block;padding:11px 12px;border-radius:12px;color:#d1d5db;margin:3px 0;font-size:14px}.sidebar nav a:hover,.sidebar nav a.active{background:rgba(255,255,255,.12);color:#fff}.main{margin-left:280px;flex:1}.topbar{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:18px 26px;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}.topbar h1{margin:0;font-size:24px}.topbar small,.muted{color:var(--muted)}.profile{text-align:right}.profile span{display:block;font-weight:700}.profile a{color:var(--pri);font-weight:700;font-size:13px}.content{padding:24px}.grid{display:grid;gap:16px}.cards{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:0 10px 25px rgba(16,24,40,.04)}.stat b{font-size:26px}.stat span{display:block;color:var(--muted);font-size:13px;margin-top:4px}.row{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.between{display:flex;justify-content:space-between;gap:12px;align-items:center}.btn{border:0;border-radius:12px;padding:10px 14px;background:var(--pri);color:white;font-weight:700;cursor:pointer;display:inline-block}.btn.secondary{background:#111827}.btn.light{background:#eef2ff;color:#3730a3}.btn.danger{background:var(--danger)}input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:12px;background:#fff}label{font-size:13px;font-weight:700;color:#344054}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px;border-bottom:1px solid var(--border);text-align:left;font-size:14px}.table th{background:#f9fafb;color:#475467}.badge{padding:5px 9px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:12px;font-weight:700}.badge.due{background:#fff7ed;color:#c2410c}.badge.paid{background:#ecfdf3;color:#027a48}.login{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top left,#7c3aed,#111827 42%,#020617)}.login-card{width:min(440px,92vw);background:rgba(255,255,255,.96);border-radius:26px;padding:32px;box-shadow:0 30px 80px rgba(0,0,0,.35)}.login-card h1{margin:0 0 8px}.alert{padding:12px 14px;border-radius:12px;background:#fee2e2;color:#991b1b;margin-bottom:12px}.success{background:#dcfce7;color:#166534}.chartbar{height:12px;background:#ede9fe;border-radius:99px;overflow:hidden}.chartbar span{display:block;height:100%;background:linear-gradient(90deg,var(--pri),#f59e0b)}.menuBtn{display:none;background:#111827;color:#fff;border:0;border-radius:10px;padding:9px 12px}.print-area{background:white;padding:25px;border-radius:14px}.invoice-head{display:flex;justify-content:space-between;border-bottom:2px solid #111827;padding-bottom:15px;margin-bottom:15px}@media(max-width:1050px){.cards{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.sidebar{transform:translateX(-100%);transition:.25s;z-index:20}.open .sidebar{transform:none}.main{margin-left:0}.menuBtn{display:block}.topbar{padding:14px}.content{padding:14px}.cards,.form-grid{grid-template-columns:1fr}.profile{display:none}}