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0%,transparent 50%),#0a0f1ef0;border:1px solid rgba(139,92,246,.3);box-shadow:0 30px 80px -20px #7c3aed66,inset 0 1px #ffffff0f;animation:th-scale-in .3s cubic-bezier(.16,1,.3,1);overflow:hidden}.teacher-modal-header{position:sticky;top:0;padding:1.25rem 1.75rem;background:#0a0f1ef0;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid rgba(139,92,246,.18);display:flex;align-items:center;justify-content:space-between;gap:1rem;z-index:2}.teacher-modal-header:after{content:"";position:absolute;bottom:0;left:15%;right:15%;height:1px;background:linear-gradient(90deg,transparent,var(--th-accent, #22d3ee),transparent);opacity:.6}.teacher-modal-title{font-size:1.2rem;font-weight:900;background:linear-gradient(90deg,#a78bfa,#22d3ee);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0}.teacher-modal-close{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:#f871711a;border:1px solid rgba(248,113,113,.25);color:#fca5a5;cursor:pointer;transition:all .2s ease}.teacher-modal-close:hover{background:#f8717133;border-color:#f8717180;box-shadow:0 0 16px #f8717159;transform:scale(1.05)}.teacher-modal-body{padding:1.5rem 1.75rem 2rem}.teacher-sidebar-glow{position:absolute;top:10%;bottom:10%;right:-1px;width:1px;background:linear-gradient(180deg,transparent,#818cf8,transparent);opacity:.4;animation:th-sidebar-pulse 4s ease-in-out infinite;pointer-events:none}@keyframes th-sidebar-pulse{0%,to{opacity:.2}50%{opacity:.7}}.teacher-class-item{position:relative;transition:all .2s cubic-bezier(.16,1,.3,1)}.teacher-class-item:hover{transform:translate(2px)}.teacher-class-item.active{box-shadow:inset 3px 0 #a78bfa,0 4px 14px -4px #818cf866}.teacher-module-card{position:relative;padding:1rem;border-radius:.8rem;background:#0f172a66;border:1px solid rgba(255,255,255,.05);border-left:3px solid var(--mod-color, #14b8a6);transition:all .25s cubic-bezier(.16,1,.3,1);overflow:hidden}.teacher-module-card:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 50% 50%,color-mix(in srgb,var(--mod-color, #14b8a6) 12%,transparent) 0%,transparent 30%);animation:th-orb-orbit 28s linear infinite;pointer-events:none;opacity:0;transition:opacity .3s}.teacher-module-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--mod-color, #14b8a6) 55%,transparent);box-shadow:0 14px 32px -10px color-mix(in srgb,var(--mod-color, #14b8a6) 45%,transparent)}.teacher-module-card:hover:before{opacity:.9}.teacher-module-card>*{position:relative;z-index:1}.teacher-gradient-text{background:linear-gradient(90deg,var(--th-primary),var(--th-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:800}.teacher-shine-on-hover{position:relative;overflow:hidden}.teacher-shine-on-hover:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.15),transparent);transform:translate(-100%);transition:transform .7s;pointer-events:none}.teacher-shine-on-hover:hover:after{transform:translate(100%)}@media(max-width:1024px){.teacher-stat-card{min-width:140px;padding:.85rem}.teacher-tab-pills{gap:.3rem;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:.25rem}.teacher-tab-pills::-webkit-scrollbar{display:none}.teacher-card{padding:.85rem}.teacher-action-btn{padding:.4rem .75rem;font-size:.72rem}.teacher-student-card .teacher-student-name{font-size:.88rem}.teacher-modal-panel{width:96%!important;max-height:95vh!important;padding:0!important}}@media(max-width:768px){.teacher-tab-pills{flex-wrap:nowrap;gap:.25rem;justify-content:flex-start}.teacher-tab-pills button{font-size:.68rem;padding:.35rem .6rem;white-space:nowrap;flex-shrink:0}.teacher-stat-card{min-width:120px;padding:.7rem}.teacher-stat-card .stat-number{font-size:1.4rem}.teacher-card{padding:.7rem;border-radius:.65rem}.teacher-student-card{flex-direction:column;align-items:flex-start}.teacher-action-btn{width:100%;justify-content:center}.teacher-modal-panel{width:100%!important;max-width:100%!important;max-height:100vh!important;border-radius:0!important;margin:0}.teacher-modal-backdrop{padding:0}}@media(max-width:480px){.teacher-tab-pills button{font-size:.62rem;padding:.3rem .5rem}.teacher-stat-card{min-width:100px}}