:root{
  --bg:#eef3ff;--surface:#ffffff;--surface2:#f8faff;--text:#14213d;--muted:#6b7280;--primary:#4f46e5;--primary2:#7c3aed;--success:#16a34a;--danger:#dc2626;--warning:#f59e0b;--border:#dfe7ff;--shadow:0 20px 45px rgba(39,52,125,.12);
}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:linear-gradient(135deg,#edf2ff 0%,#f7fbff 45%,#fff7ed 100%);color:var(--text);min-height:100vh}a{text-decoration:none;color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:292px;padding:22px;position:fixed;top:0;bottom:0;left:0;background:rgba(255,255,255,.86);backdrop-filter:blur(18px);border-right:1px solid var(--border);box-shadow:var(--shadow);z-index:1040;overflow:auto}.brand{display:flex;gap:12px;align-items:center;margin-bottom:28px}.brand-logo{width:48px;height:48px;border-radius:17px;background:linear-gradient(135deg,var(--primary),var(--primary2));display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 12px 24px rgba(79,70,229,.35)}.brand-logo.big{width:74px;height:74px;border-radius:26px;margin:auto}.brand h1{font-size:18px;margin:0;font-weight:900}.brand p{font-size:12px;color:var(--muted);margin:4px 0 0}.nav-link{padding:13px 15px;border-radius:16px;color:#28345f!important;font-weight:800}.nav-link:hover,.nav-link.active{background:#eef2ff;color:var(--primary)!important}.nav-link.danger{color:var(--danger)!important}.main{margin-left:292px;width:calc(100% - 292px);padding:22px}.content-area{padding-top:2px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;background:rgba(255,255,255,.82);border:1px solid var(--border);border-radius:24px;padding:18px 20px;box-shadow:var(--shadow);position:sticky;top:14px;z-index:1020;backdrop-filter:blur(14px)}.topbar h2{margin:0;font-size:24px;font-weight:900}.topbar span{color:var(--muted);font-size:13px}.menu-btn{display:none;border:0;background:#eef2ff;padding:10px 13px;border-radius:12px;font-size:20px}.profile-pill{background:#111827;color:#fff;padding:10px 14px;border-radius:999px;font-size:13px;font-weight:700}.panel,.filters-card,.upload-hero,.glass-card{background:rgba(255,255,255,.90);border:1px solid var(--border);border-radius:26px;padding:20px;box-shadow:var(--shadow);margin:20px 0}.panel h3{margin:0 0 16px;font-size:19px;font-weight:900}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.filters-card{display:flex;gap:14px;align-items:end;flex-wrap:wrap}.filters-card label,.panel label,.login-card label{display:block;font-size:12px;color:var(--muted);font-weight:900;text-transform:uppercase;letter-spacing:.05em;margin-bottom:7px}.form-control,.form-select,select,input[type=text],input[type=number],input[type=email],input[type=password],input[type=file]{border:1px solid #d9e2ff;border-radius:15px;background:#fff;color:var(--text);outline:0}.form-control,.form-select{padding:12px 13px}select:focus,input:focus,.form-control:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(79,70,229,.12)}.inline-form{display:flex;gap:14px;align-items:end;flex-wrap:wrap;width:100%}.btn{border-radius:15px;font-weight:900;padding:12px 16px}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));border:0;box-shadow:0 12px 24px rgba(79,70,229,.28)}.btn-soft{background:#eef2ff;color:#2c3e7c;border:0}.btn-soft:hover{background:#e0e7ff;color:#1d2e67}.btn-danger-soft{background:#fee2e2;color:#991b1b;border:0}.kpi{background:linear-gradient(135deg,#fff,#f8fbff);border:1px solid var(--border);border-radius:24px;padding:20px;box-shadow:var(--shadow);position:relative;overflow:hidden;height:100%}.kpi:after{content:"";position:absolute;right:-25px;top:-25px;width:90px;height:90px;background:linear-gradient(135deg,var(--primary),#38bdf8);border-radius:50%;opacity:.12}.kpi span{color:var(--muted);font-weight:900;font-size:13px}.kpi strong{display:block;font-size:34px;margin-top:8px}.table-wrap{overflow:auto;border-radius:18px;border:1px solid #e7ecff}table{width:100%;border-collapse:collapse;background:#fff;min-width:760px}th,td{padding:12px 14px;border-bottom:1px solid #eef2ff;text-align:left;font-size:14px;vertical-align:middle}th{background:#f3f6ff!important;color:#39456f;font-size:12px;text-transform:uppercase;letter-spacing:.04em}tr:hover td{background:#fbfdff}.badge-status{padding:6px 10px;border-radius:999px;font-size:12px;font-weight:900;display:inline-block}.badge-status.pass{background:#dcfce7;color:#166534}.badge-status.comp,.badge-status.below-33{background:#fef3c7;color:#92400e}.badge-status.essential-repeat,.badge-status.absent{background:#fee2e2;color:#991b1b}.upload-hero{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff}.upload-hero h2{margin:0 0 8px;font-weight:900}.upload-hero p{margin:0;opacity:.88}.tick-list{margin:0;padding-left:20px;line-height:1.9}.upload-status{margin-top:14px}.skeleton{height:110px;border-radius:24px;background:linear-gradient(90deg,#eef2ff,#fff,#eef2ff);animation:pulse 1.4s infinite;background-size:200% 100%}@keyframes pulse{0%{background-position:0 0}100%{background-position:-200% 0}}.login-body{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(455px,100%);background:rgba(255,255,255,.9);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:30px;padding:30px}.login-card h1{text-align:center;margin:14px 0 8px;font-weight:900}.login-card p{text-align:center;color:var(--muted);margin-bottom:22px}.login-card small{display:block;text-align:center;color:var(--muted);margin-top:12px}.muted{color:var(--muted);line-height:1.6}.clean-list{padding-left:20px;line-height:1.9;color:#34405f}.password-panel input{margin-bottom:12px}.security-card{background:linear-gradient(135deg,#ffffff,#f8fbff)}.mini-note{font-size:12px;color:var(--muted)}.subject-chip{display:inline-flex;gap:6px;align-items:center;border-radius:999px;background:#eef2ff;color:#4338ca;padding:7px 11px;font-size:12px;font-weight:900}.role-chip{display:inline-flex;align-items:center;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:900}.role-chip.admin{background:#ede9fe;color:#5b21b6}.role-chip.teacher{background:#e0f2fe;color:#075985}.table-actions{display:flex;gap:8px;flex-wrap:wrap}.modal-content{border-radius:24px;border:1px solid var(--border)}
@media(max-width:1000px){.sidebar{transform:translateX(-105%);transition:.25s}.sidebar.open{transform:translateX(0)}.main{margin-left:0;width:100%;padding:16px}.menu-btn{display:block}.topbar{position:relative;top:0}.filters-card,.inline-form{display:grid}.filters-card>*,.inline-form>*{width:100%}}
@media(max-width:640px){.main{padding:12px}.topbar{border-radius:18px}.topbar h2{font-size:19px}.panel,.filters-card,.upload-hero{border-radius:20px;padding:15px}th,td{padding:10px;font-size:13px}.kpi strong{font-size:28px}.login-card{padding:22px;border-radius:24px}}
@media print{.sidebar,.topbar,.btn,.filters-card{display:none!important}.main{margin:0;width:100%;padding:0}.panel{box-shadow:none;border:1px solid #ccc}}
.year-marks-table th,.year-marks-table td{min-width:150px}.year-marks-table th:first-child,.year-marks-table td:first-child{min-width:70px;position:sticky;left:0;z-index:2;background:#fff}.year-marks-table th:first-child{background:#f3f6ff!important;z-index:3}.marks-pill{display:inline-flex;align-items:center;justify-content:center;min-width:54px;padding:8px 12px;border-radius:999px;background:#ecfdf5;color:#166534;font-weight:900;font-size:18px}.muted-text{color:#718096;font-size:11px}.year-marks-table small{line-height:1.5}.year-marks-table tbody tr:hover .marks-pill{transform:scale(1.03)}
@media(max-width:640px){.year-marks-table th,.year-marks-table td{min-width:130px}.marks-pill{font-size:15px;padding:7px 10px}}