:root{--blue:#003f7d;--bright:#0075ff;--cyan:#00d9ff;--bg:#f6f8fc;--card:#fff;--text:#081b33;--muted:#748093;--line:#e6edf5;--green:#2fbf5b}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:"Segoe UI",Tahoma,Arial,sans-serif;color:var(--text)}a{color:var(--bright);text-decoration:none}.wrap{max-width:1260px;margin:0 auto;padding:24px 16px}.top{text-align:center;margin-bottom:18px}.logo{width:230px;max-width:78%;height:auto}.nav{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:10px 0 22px}.nav a,.btn{border:0;background:var(--blue);color:#fff;padding:11px 16px;border-radius:12px;font-weight:800;display:inline-block}.nav a.secondary,.btn.secondary{background:#fff;color:var(--blue);border:1px solid var(--line)}.card{background:var(--card);border:1px solid #edf2f8;border-radius:22px;padding:22px;box-shadow:0 12px 38px rgba(0,35,90,.07);margin-bottom:18px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}.muted{color:var(--muted)}input,select,textarea{border:1px solid #d8e1ec;border-radius:12px;padding:11px 14px;background:#fff;font-size:15px;max-width:100%}.table-wrap{overflow:auto}.score-table{width:100%;border-collapse:separate;border-spacing:0 8px;min-width:900px}.score-table th{cursor:pointer;text-align:center;font-size:13px;color:#4c5f74;padding:9px;background:#eef4fb;white-space:nowrap}.score-table th:first-child{border-radius:12px 0 0 12px}.score-table th:last-child{border-radius:0 12px 12px 0}.score-table td{background:#fff;padding:10px;text-align:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);white-space:nowrap}.score-table td:first-child{border-left:1px solid var(--line);border-radius:12px 0 0 12px}.score-table td:last-child{border-right:1px solid var(--line);border-radius:0 12px 12px 0}.score-table tbody tr:hover td{background:#f7fbff}.total-cell{font-weight:900;color:var(--blue)}.q{display:block;font-size:11px;color:var(--muted)}.summary{display:grid;grid-template-columns:repeat(4,minmax(160px,1fr));gap:14px;margin:14px 0}.summary .box{background:#f8fbff;border:1px solid var(--line);border-radius:16px;padding:14px}.summary .num{font-size:30px;font-weight:300;color:var(--blue)}.profile-grid{display:grid;grid-template-columns:300px 1fr;gap:22px}.profile-card{text-align:center}.avatar{width:135px;height:135px;border-radius:50%;object-fit:cover;border:8px solid #fff;box-shadow:0 4px 28px rgba(0,0,0,.09);background:#eef5ff}.avatar.initials{display:flex;align-items:center;justify-content:center;font-size:44px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--blue),var(--cyan));margin:auto}.name{font-size:28px;font-weight:900;color:var(--blue);margin-top:14px}.dashboard-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.metric{display:block;min-height:135px}.metric-title{font-size:22px;font-weight:900;color:var(--blue)}.metric-value{font-size:48px;font-weight:300;text-align:right;margin-top:15px;color:var(--bright)}.score-head{display:flex;justify-content:space-between;align-items:center}.score-number{font-size:52px;font-weight:300;color:var(--blue)}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.notice{background:#e9f7ef;color:#17633a;padding:14px 18px;border-radius:12px;margin-bottom:18px}.error{background:#ffecec;color:#8a1f1f;padding:14px 18px;border-radius:12px;margin-bottom:18px}.footer{text-align:center;margin:28px;color:var(--muted)}.chart-card{position:relative}.chart-card canvas{width:100%!important;height:420px!important;max-height:none}canvas{max-height:420px}.admin-table img{width:50px;height:50px;border-radius:50%;object-fit:cover}@media(max-width:850px){.chart-card canvas{height:360px!important}.profile-grid,.dashboard-cards,.grid2,.form-grid,.summary{grid-template-columns:1fr}.score-head{display:block}.score-number{text-align:left}.wrap{padding:14px 8px}.logo{width:190px}}
/* Admin dashboard polish */
.admin-body{background:linear-gradient(135deg,#f6f9ff 0%,#eef4fb 100%)}
.admin-shell{max-width:1320px;margin:0 auto;padding:22px;display:grid;grid-template-columns:270px 1fr;gap:22px;min-height:100vh}
.admin-sidebar{background:#fff;border:1px solid #e8eef7;border-radius:26px;padding:20px;box-shadow:0 16px 45px rgba(0,35,90,.08);position:sticky;top:22px;height:calc(100vh - 44px);display:flex;flex-direction:column}
.admin-brand{display:block;text-align:center;padding:10px 10px 18px;border-bottom:1px solid var(--line)}
.admin-brand img{width:180px;max-width:100%;height:auto}
.admin-menu{display:grid;gap:8px;margin-top:18px}
.admin-menu a{display:flex;align-items:center;gap:10px;padding:13px 14px;border-radius:15px;color:#12395f;font-weight:800;border:1px solid transparent}
.admin-menu a:hover{background:#f3f8ff;border-color:#dceafd;color:var(--blue)}
.admin-menu a.active{background:var(--blue);color:#fff;box-shadow:0 10px 20px rgba(0,63,125,.18)}
.admin-sidebar-footer{margin-top:auto;display:grid;gap:10px}.btn.full{width:100%;text-align:center}.btn.danger{background:#e94747;color:#fff}.btn.danger:hover{filter:brightness(.96)}
.admin-main{display:block}.admin-hero{background:#fff;border:1px solid #e8eef7;border-radius:28px;padding:28px 30px;box-shadow:0 16px 45px rgba(0,35,90,.08);display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:20px}.admin-hero h1{font-size:36px;line-height:1.1;margin:4px 0 8px;color:#061b35}.eyebrow{margin:0;color:var(--bright);font-weight:900;letter-spacing:.08em;text-transform:uppercase;font-size:12px}.admin-hero-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.admin-stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}.admin-stat-card{background:#fff;border:1px solid #e8eef7;border-radius:22px;padding:20px;box-shadow:0 12px 30px rgba(0,35,90,.06)}.admin-stat-card span{display:block;color:var(--muted);font-weight:800;margin-bottom:8px}.admin-stat-card strong{font-size:38px;color:var(--blue);font-weight:400}.admin-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.admin-action-card{background:#fff;border:1px solid #e8eef7;border-radius:24px;padding:22px;box-shadow:0 12px 32px rgba(0,35,90,.065);display:flex;gap:16px;color:var(--text);min-height:145px;transition:.15s ease}.admin-action-card:hover{transform:translateY(-3px);box-shadow:0 18px 45px rgba(0,35,90,.12);border-color:#cfe2ff}.admin-action-card h3{font-size:21px;margin:3px 0 8px;color:var(--blue)}.admin-action-card p{margin:0;color:var(--muted);line-height:1.55}.admin-icon{width:52px;height:52px;min-width:52px;border-radius:18px;background:#edf6ff;display:flex;align-items:center;justify-content:center;font-size:25px}
@media(max-width:980px){.admin-shell{grid-template-columns:1fr;padding:14px}.admin-sidebar{position:relative;height:auto}.admin-menu{grid-template-columns:repeat(2,1fr)}.admin-hero{display:block}.admin-hero-actions{justify-content:flex-start;margin-top:16px}.admin-stat-grid,.admin-card-grid{grid-template-columns:1fr}}
@media(max-width:560px){.admin-menu{grid-template-columns:1fr}.admin-hero h1{font-size:28px}.admin-action-card{display:block}.admin-icon{margin-bottom:12px}}

/* v-next: student photo thumbnails and admin helper styles */
.table-photo{width:48px;height:48px;border-radius:50%;object-fit:cover;display:inline-flex;align-items:center;justify-content:center;background:#eef4fb;color:#003B73;font-weight:800;border:3px solid #fff;box-shadow:0 4px 14px rgba(0,0,0,.08)}
.table-photo.initials{font-size:18px}
.link-button{background:transparent;border:0;color:#006fff;cursor:pointer;padding:0;font:inherit;text-decoration:underline}
.template-box{margin-top:22px;padding:18px;border:1px solid #e6edf5;border-radius:18px;background:#f8fbff}
.template-box .btn{margin:6px 6px 6px 0}
.admin-note{font-size:13px;color:#68728a;margin-top:6px}

.pill{display:inline-block;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}
.status-active{background:#dcfce7;color:#166534}
.status-inactive{background:#fee2e2;color:#991b1b}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 8px}
.tabs a{padding:9px 14px;border-radius:999px;background:#eef3f8;color:#003b73;text-decoration:none;font-weight:700}
.tabs a.active{background:#003b73;color:#fff}
.form-grid .full{grid-column:1/-1}
textarea{width:100%;box-sizing:border-box;border:1px solid #ccd6e0;border-radius:10px;padding:10px;font-family:inherit}

.table-avatar{width:46px;height:46px;border-radius:50%;object-fit:cover;border:3px solid #fff;box-shadow:0 4px 14px rgba(0,0,0,.08);background:#eef4fb}
.mini-avatar{width:46px;height:46px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:#eef4fb;color:#003B73;font-weight:800;border:3px solid #fff;box-shadow:0 4px 14px rgba(0,0,0,.08)}

/* Unit test pass/fail analysis */
.result-pill{display:inline-block;padding:6px 12px;border-radius:999px;font-weight:900;font-size:12px;white-space:nowrap}
.result-pill.pass{background:#dcfce7;color:#166534;border:1px solid #86efac}
.result-pill.fail{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}
.pass-text{color:#166534!important}.fail-text{color:#991b1b!important}