:root{--navy:#152D4F;--navy-dark:#0d1e35;--white:#fff;--bg:#f4f7fa;--text:#172334;--muted:#687789;--border:#dce4ec;--danger:#c43d3d;--info:#2b6da8;--radius:12px}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Poppins,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}.auth-page{display:grid;place-items:center;min-height:100vh;padding:24px;background:linear-gradient(135deg,var(--navy-dark),var(--navy))}.auth-card{width:min(430px,100%);background:#fff;border-radius:var(--radius);padding:38px;box-shadow:0 20px 60px rgba(0,0,0,.2)}.brand-mark{width:44px;height:44px;border-radius:10px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:800}.auth-card h1{margin:18px 0 5px;font-size:27px}.muted{color:var(--muted);line-height:1.5}label{display:block;font-size:13px;font-weight:600;margin:18px 0 7px}input{width:100%;padding:12px 13px;border:1px solid var(--border);border-radius:9px;font:inherit}input:focus{outline:0;border-color:var(--navy);box-shadow:0 0 0 3px rgba(21,45,79,.1)}.btn{border:0;border-radius:9px;padding:12px 16px;font:600 13px Arial,sans-serif;cursor:pointer}.btn-primary{background:var(--navy);color:#fff}.btn-secondary{background:#eef2f6;color:var(--navy)}.btn-block{width:100%;margin-top:20px}.alert{padding:12px;border-radius:9px;margin:18px 0;font-size:13px}.alert-error{background:#fff0f0;color:var(--danger)}.alert-info{background:#eef6ff;color:var(--info)}.auth-links{display:flex;justify-content:space-between;gap:12px;margin-top:18px;font-size:13px;color:var(--navy)}.app-shell{display:flex;min-height:100vh}.sidebar{width:245px;background:var(--navy-dark);color:#fff;padding:20px 14px}.sidebar-brand{display:flex;gap:10px;align-items:center;padding:6px 8px 25px}.sidebar-brand small{display:block;color:#aebccd;font-size:10px;margin-top:2px}.sidebar nav{display:grid;gap:4px}.nav-item{padding:11px 12px;border-radius:8px;color:#c6d0dc;font-size:13px}.nav-item:hover,.nav-item.active{background:#203e63;color:#fff}.main-area{flex:1}.topbar{height:78px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px}.topbar h1{margin:2px 0;font-size:23px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.2px;color:var(--muted)}.user-menu a{color:var(--navy);font-weight:600;font-size:13px}.content{padding:28px;max-width:1200px}.panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:18px}.panel h3{margin-top:0}.security-row{display:flex;justify-content:space-between;gap:15px;align-items:center;border-top:1px solid var(--border);padding:14px 0}.security-row small{display:block;color:var(--muted);margin-top:4px;max-width:700px;word-break:break-word}@media(max-width:650px){.app-shell{display:block}.sidebar{width:100%}.topbar{padding:0 18px}.content{padding:18px}.security-row{align-items:flex-start;flex-direction:column}.auth-links{flex-direction:column;text-align:center}}