:root{--bg: #f5f6fa;--panel: #ffffff;--ink: #1f2433;--muted: #7b8194;--brand: #4f46e5;--border: #e7e9f0;--warn: #b45309;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}.muted{color:var(--muted)}.centered{min-height:100vh;display:grid;place-items:center}.brand{font-weight:800;font-size:22px;letter-spacing:-.3px}.brand span{color:var(--brand)}.brand.big{font-size:34px}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:40px;width:360px;text-align:center;box-shadow:0 10px 30px #1f24330f}.btn-primary{display:inline-block;margin-top:16px;background:var(--brand);color:#fff;text-decoration:none;padding:11px 18px;border-radius:10px;font-weight:600}.btn-link{color:var(--muted);text-decoration:none;margin-left:14px;font-size:14px}.btn-link:hover{color:var(--ink)}.topbar{height:60px;background:var(--panel);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px}.user{display:flex;align-items:center;font-size:14px}.content{max-width:1100px;margin:0 auto;padding:24px}.controls{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}.controls label{display:flex;flex-direction:column;font-size:12px;color:var(--muted);gap:6px}.controls select{padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:#fff;font-size:15px;min-width:220px}.range-tabs{display:flex;gap:6px}.range-tabs button{border:1px solid var(--border);background:#fff;border-radius:8px;padding:8px 12px;cursor:pointer;font-size:13px;color:var(--muted)}.range-tabs button.active{background:var(--brand);border-color:var(--brand);color:#fff}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:20px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px 18px}.card.warn{border-color:#fde68a;background:#fffbeb}.card-value{font-size:26px;font-weight:700}.card.warn .card-value{color:var(--warn)}.card-label{margin-top:4px;font-size:13px;color:var(--muted)}.panel{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:16px 16px 8px;margin-bottom:18px}.panel h3{margin:4px 6px 14px;font-size:15px;font-weight:600}.error{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;padding:12px 14px;border-radius:10px;margin-bottom:16px}.empty{padding:24px;text-align:center}