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.schedule-day-header{color:var(--slate-400)}.schedule-block{padding:.6rem;background:linear-gradient(135deg,var(--brand-50) 0%,white 100%);border-radius:var(--radius);border-left:3px solid var(--brand-500);box-shadow:var(--shadow-xs);text-align:left;margin-bottom:.4rem;transition:all var(--transition)}.schedule-block:hover{box-shadow:var(--shadow-sm);transform:scale(1.02)}.schedule-block .sb-time{font-size:.575rem;font-weight:700;color:var(--slate-400);margin-bottom:.15rem;letter-spacing:.03em}.schedule-block .sb-name{font-size:.7rem;font-weight:700;color:var(--brand-800);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.schedule-block .sb-class{font-size:.575rem;color:var(--slate-500)}.spinner{animation:spin 1s linear infinite;font-size:1.5rem;color:var(--brand-500)}.loading-center{display:flex;justify-content:center;align-items:center;padding:4rem 0}.hero-banner{background:linear-gradient(135deg,var(--brand-950) 0%,var(--brand-800) 40%,var(--brand-700) 100%);background-size:200% 200%;animation:gradientShift 8s ease infinite;padding:2.5rem;border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl);color:#fff;position:relative;overflow:hidden}.hero-banner:before{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='white' fill-opacity='0.03'%3E%3Cpath d='M20 20.5V18H0v-2h20v-2H0v-2h20v-2H0V8h20V6H0V4h20V2H0V0h22v20h2V0h2v20h2V0h2v20h2V0h2v20h2V0h2v22H20v-1.5zM0 20h2v20H0V20zm4 0h2v20H4V20zm4 0h2v20H8V20zm4 0h2v20h-2V20zm4 0h2v20h-2V20zm4 0h2v20h-2V20zM0 20'/%3E%3C/g%3E%3C/svg%3E");pointer-events:none}.hero-banner .hero-icon{position:absolute;top:-10px;right:-10px;padding:2rem;opacity:.08;font-size:10rem;animation:float 4s ease-in-out infinite}.hero-banner .hero-content{position:relative;z-index:2}.hero-date{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em;opacity:.6;margin-bottom:.75rem}.hero-title{font-family:var(--font-serif);font-size:2.75rem;font-weight:700;margin-bottom:.5rem;letter-spacing:-.01em}.hero-subtitle{font-size:.9rem;opacity:.75;max-width:32rem;line-height:1.6}.message-card{display:flex;gap:.875rem;padding:1rem 1.25rem;border-radius:var(--radius-lg);transition:all var(--transition);cursor:pointer;border:1.5px solid transparent}.message-card:hover{background:var(--slate-50);border-color:var(--slate-100)}.message-card.active{background:linear-gradient(135deg,var(--brand-50) 0%,rgba(240,253,250,.5) 100%);border-color:var(--brand-200)}.message-avatar{width:2.75rem;height:2.75rem;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--brand-100),var(--brand-200));display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem;color:var(--brand-700);flex-shrink:0}.message-content{flex:1;min-width:0}.message-sender{font-weight:700;font-size:.85rem;color:var(--slate-800)}.message-preview{font-size:.75rem;color:var(--slate-400);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:.15rem}.message-time{font-size:.6rem;color:var(--slate-400);white-space:nowrap;font-weight:600}.chat-bubble{max-width:75%;padding:.875rem 1.15rem;border-radius:var(--radius-xl);font-size:.85rem;line-height:1.55;position:relative;animation:fadeIn .3s ease-out}.chat-bubble.sent{background:linear-gradient(135deg,var(--brand-600),var(--brand-700));color:#fff;border-bottom-right-radius:var(--radius-xs);margin-left:auto}.chat-bubble.received{background:var(--slate-100);color:var(--slate-700);border-bottom-left-radius:var(--radius-xs)}.chat-time{font-size:.55rem;opacity:.6;margin-top:.35rem;text-align:right;font-weight:600}.certificate-border{border:8px double var(--brand-900);outline:2px solid var(--brand-600);outline-offset:6px;padding:3rem}@media(max-width:1024px){.schedule-grid{grid-template-columns:repeat(4,1fr)}}@media(max-width:768px){.form-grid{grid-template-columns:1fr}.form-grid .full-width{grid-column:span 1}.schedule-grid{grid-template-columns:1fr 1fr}.hero-title{font-size:1.75rem}.quick-action-grid{grid-template-columns:repeat(2,1fr)}}.empty-state{text-align:center;padding:3rem 2rem;color:var(--slate-400)}.empty-state i{font-size:2.5rem;margin-bottom:1rem;opacity:.3}.empty-state p{font-size:.85rem;font-style:italic}.page-section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.page-section-header h3{font-family:var(--font-serif);font-weight:700;font-size:1.15rem;color:var(--slate-800)}.text-center{text-align:center}.text-right{text-align:right}.font-serif{font-family:var(--font-serif)}.font-bold{font-weight:700}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.divider{height:1px;background:linear-gradient(90deg,transparent,var(--slate-200),transparent);margin:1.5rem 0}.dialog-overlay{position:fixed;inset:0;z-index:99999;display:flex;align-items:center;justify-content:center;background:#02061780;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:2rem;animation:dialogFadeIn .2s ease}.dialog-overlay.open{opacity:1}@keyframes dialogFadeIn{0%{opacity:0}to{opacity:1}}@keyframes dialogSlideIn{0%{transform:scale(.9) translateY(10px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}.dialog-box{background:#fff;border-radius:var(--radius-2xl);box-shadow:0 25px 60px #00000040,0 0 0 1px #ffffff1a;padding:2rem 2rem 1.5rem;max-width:420px;width:100%;text-align:center;animation:dialogSlideIn .3s cubic-bezier(.34,1.56,.64,1)}.dialog-icon-wrap{width:56px;height:56px;border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;font-size:1.4rem}.dialog-title{font-family:var(--font-serif);font-size:1.15rem;font-weight:700;color:var(--slate-800);margin-bottom:.5rem}.dialog-message{font-size:.85rem;color:var(--slate-500);line-height:1.6;margin-bottom:1.5rem}.dialog-actions{display:flex;gap:.75rem;justify-content:center}.dialog-btn{padding:.6rem 1.5rem;border-radius:var(--radius-lg);font-size:.8rem;font-weight:700;cursor:pointer;transition:all var(--transition);min-width:100px}.dialog-btn-cancel{background:var(--slate-100);color:var(--slate-600);border:1.5px solid var(--slate-200)}.dialog-btn-cancel:hover{background:var(--slate-200);color:var(--slate-800)}.dialog-btn-confirm{background:linear-gradient(135deg,var(--brand-600),var(--brand-700));color:#fff;border:none;box-shadow:var(--shadow-brand)}.dialog-btn-confirm:hover{transform:translateY(-1px);box-shadow:0 6px 20px #14b8a659}.dialog-btn-confirm.danger{background:linear-gradient(135deg,var(--red-500),var(--red-600));box-shadow:0 4px 14px #ef444440}.dialog-btn-confirm.danger:hover{box-shadow:0 6px 20px #ef444459}