:root{--bg: #fafafa;--bg-elev: #ffffff;--text: #111111;--text-secondary: #666666;--text-tertiary: #999999;--border: #e6e6e6;--accent: #1a1a1a;--success: #2d7a3e;--warning: #b87b1e;--danger: #b03030;--info-bg: #f0f4f8}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--text);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;border:.5px solid var(--border);background:var(--bg-elev);padding:7px 14px;border-radius:6px;color:var(--text)}button:hover{border-color:var(--text-secondary)}button.primary{background:var(--accent);color:var(--bg-elev);border-color:var(--accent)}button.primary:hover{background:var(--text)}button.danger{background:var(--danger);color:var(--bg-elev);border-color:var(--danger)}input,select,textarea{font:inherit;border:.5px solid var(--border);background:var(--bg-elev);padding:7px 10px;border-radius:6px;width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--text)}.serif{font-family:Georgia,Times New Roman,serif;font-style:italic}.layout{min-height:100vh;display:grid;grid-template-columns:200px 1fr}.sidebar{background:var(--bg-elev);border-right:.5px solid var(--border);padding:20px 12px}.sidebar .brand{font-size:14px;font-weight:600;margin-bottom:24px;padding:0 8px}.sidebar .brand-sub{font-size:10px;color:var(--text-tertiary);margin-top:2px}.nav-item{display:block;padding:7px 10px;font-size:13px;color:var(--text-secondary);border-radius:6px;cursor:pointer}.nav-item:hover{background:var(--bg);text-decoration:none}.nav-item.active{background:var(--bg);color:var(--text);font-weight:500}.main{padding:24px 32px;max-width:1200px}.h1{font-size:20px;font-weight:500;margin-bottom:4px}.h2{font-size:14px;font-weight:500;margin-bottom:12px}.muted{color:var(--text-secondary);font-size:12px}.card{background:var(--bg-elev);border:.5px solid var(--border);border-radius:10px;padding:16px}.kpi{background:var(--bg-elev);border:.5px solid var(--border);border-radius:8px;padding:12px 14px}.kpi-label{font-size:11px;color:var(--text-secondary)}.kpi-value{font-size:22px;font-weight:500;line-height:1.2}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}table{width:100%;border-collapse:collapse;font-size:13px}table th{text-align:left;font-size:11px;color:var(--text-tertiary);font-weight:500;letter-spacing:.5px;padding:8px 10px;border-bottom:.5px solid var(--border)}table td{padding:9px 10px;border-bottom:.5px solid var(--border);vertical-align:middle}.badge{display:inline-block;font-size:10px;padding:2px 7px;border-radius:8px;background:var(--bg);color:var(--text-secondary)}.badge.success{background:#e8f3ec;color:var(--success)}.badge.warning{background:#faefdc;color:var(--warning)}.badge.danger{background:#f9e6e6;color:var(--danger)}.center-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{width:100%;max-width:400px;background:var(--bg-elev);border:.5px solid var(--border);border-radius:12px;padding:28px}.field{margin-bottom:14px}.field label{display:block;font-size:11px;color:var(--text-tertiary);letter-spacing:.5px;margin-bottom:6px;text-transform:uppercase}.error{background:#f9e6e6;color:var(--danger);padding:10px;border-radius:6px;font-size:12px;margin-bottom:12px}.success-box{background:#e8f3ec;color:var(--success);padding:10px;border-radius:6px;font-size:12px;margin-bottom:12px}