:root{--nav:#123b8f;--nav2:#0b2d73;--accent:#1d6cff;--bg:#f4f7fc;--text:#172033;--muted:#68758a;--card:#fff;--border:#e4e9f2;--shadow:0 10px 30px rgba(18,59,143,.08)}*{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}.portal-shell{min-height:100vh;display:flex}.student-sidebar{width:270px;position:fixed;inset:0 auto 0 0;background:linear-gradient(180deg,var(--nav),var(--nav2));color:#fff;z-index:1000;display:flex;flex-direction:column;box-shadow:8px 0 28px rgba(0,0,0,.08)}.brand{text-align:center;padding:25px 18px 18px;border-bottom:1px solid rgba(255,255,255,.12)}.brand-logo{height:58px;width:58px;margin:0 auto 10px;border-radius:16px;background:#fff;display:grid;place-items:center;overflow:hidden}.brand-logo img{max-width:100%;max-height:100%}.brand-title{font-size:23px;font-weight:800;letter-spacing:.5px}.brand-sub{font-size:10px;letter-spacing:2px;opacity:.72;margin-top:2px}.student-mini{margin:16px 14px;padding:12px;border-radius:14px;background:rgba(255,255,255,.10);display:flex;gap:10px;align-items:center}.mini-avatar{width:40px;height:40px;border-radius:50%;background:#fff;color:var(--nav);display:grid;place-items:center;font-weight:800}.student-mini strong{display:block;font-size:13px;line-height:1.2}.student-mini small{display:block;font-size:10px;opacity:.75;margin-top:3px}.side-nav{padding:4px 12px;overflow:auto}.nav-item{display:flex;align-items:center;gap:12px;color:rgba(255,255,255,.82);padding:11px 12px;border-radius:10px;margin:3px 0;font-size:14px;transition:.18s}.nav-item span{width:23px;text-align:center;font-size:17px}.nav-item b{font-weight:600}.nav-item:hover{background:rgba(255,255,255,.09);color:#fff}.nav-item.active{background:#fff;color:var(--nav);box-shadow:0 5px 18px rgba(0,0,0,.12)}.nav-item.logout{margin-top:10px;background:rgba(220,53,69,.16)}.side-foot{margin-top:auto;padding:16px;font-size:11px;text-align:center;opacity:.62}.side-foot small{font-size:10px}.portal-main{margin-left:270px;min-height:100vh;flex:1}.topbar{height:86px;background:#fff;border-bottom:1px solid var(--border);padding:15px 34px;display:flex;align-items:center;justify-content:space-between}.eyebrow{font-size:10px;color:var(--accent);font-weight:800;letter-spacing:1.4px}.topbar h1{font-size:22px;margin:3px 0 0;font-weight:750}.top-user{font-size:12px;color:var(--muted);font-weight:600}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#16a34a;margin-right:6px}.content-area{padding:28px 34px;max-width:1500px}.portal-footer{padding:22px 34px;color:#8a95a7;font-size:11px}.mobile-toggle{display:none;border:0;background:#eef3ff;border-radius:8px;margin-right:8px;padding:5px 8px}.hero{background:linear-gradient(135deg,#123b8f,#1d6cff);color:#fff;border-radius:20px;padding:28px;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero:after{content:'';position:absolute;width:210px;height:210px;border-radius:50%;background:rgba(255,255,255,.08);right:-60px;top:-90px}.hero h2{font-size:28px;margin:0 0 6px;font-weight:800}.hero p{margin:0;opacity:.86}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:20px}.stat,.cardx{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}.stat{padding:18px}.stat .icon{font-size:23px}.stat small{display:block;color:var(--muted);margin-top:7px}.stat strong{font-size:25px;display:block;margin-top:2px}.cardx{padding:22px;margin-top:20px}.cardx h3{font-size:17px;font-weight:800;margin:0 0 15px}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.info{background:#f8faff;border:1px solid #e8eef9;border-radius:12px;padding:13px}.info small{display:block;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.5px}.info strong{display:block;margin-top:4px;font-size:14px;word-break:break-word}.table-wrap{overflow:auto}.table{margin:0}.table thead th{background:#f6f8fc;color:#5d6a7e;font-size:11px;text-transform:uppercase;letter-spacing:.4px;white-space:nowrap}.table td{vertical-align:middle;font-size:13px}.badge-soft{display:inline-block;padding:5px 9px;border-radius:999px;background:#eaf2ff;color:#1756b6;font-size:11px;font-weight:700}.empty{padding:38px;text-align:center;color:var(--muted);background:#fafbfe;border:1px dashed #d9e0ec;border-radius:14px}.btn-brand{background:var(--accent);color:#fff;border:0;border-radius:10px;padding:9px 14px;font-weight:700}.btn-brand:hover{background:#1558cf;color:#fff}.profile-head{display:flex;gap:18px;align-items:center}.profile-photo{width:90px;height:90px;border-radius:18px;object-fit:cover;border:4px solid #eef3ff;background:#eef3ff}.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top,#e9f1ff,#f5f7fb 55%)}.login-box{width:min(430px,92vw);background:#fff;border:1px solid var(--border);border-radius:22px;padding:32px;box-shadow:0 20px 60px rgba(20,50,110,.13)}.login-logo{display:block;width:78px;height:78px;object-fit:contain;margin:0 auto 14px}.login-title{text-align:center;font-size:25px;font-weight:800}.login-sub{text-align:center;color:var(--muted);font-size:12px;margin-bottom:24px}.form-control,.form-select{border-radius:10px;padding:10px 12px;border-color:#dfe5ef}.id-card{width:min(620px,100%);margin:auto;background:#fff;border:1px solid #dce3ef;border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}.id-card .id-top{padding:20px;background:linear-gradient(135deg,#123b8f,#1d6cff);color:#fff;text-align:center}.id-body{display:grid;grid-template-columns:150px 1fr;gap:22px;padding:24px}.id-photo{width:145px;height:170px;object-fit:cover;border-radius:12px;background:#eef2f8}.test-card{height:100%;border:1px solid var(--border);border-radius:15px;padding:18px;background:#fff;box-shadow:var(--shadow)}@media(max-width:1100px){.grid{grid-template-columns:repeat(2,1fr)}.info-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:900px){.student-sidebar{transform:translateX(-100%);transition:.25s}.menu-open .student-sidebar{transform:translateX(0)}.portal-main{margin-left:0}.mobile-toggle{display:inline-block}.topbar{padding:12px 18px}.content-area{padding:20px 18px}}@media(max-width:600px){.grid,.info-grid{grid-template-columns:1fr}.top-user{display:none}.id-body{grid-template-columns:1fr;text-align:center}.id-photo{margin:auto}.hero h2{font-size:22px}.cardx{padding:16px}}