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768px){.tdb-body{padding:1rem}.tdb-welcome-card{flex-direction:column;align-items:flex-start;gap:.8rem}.tdb-stats{flex-direction:column;gap:1rem}.tdb-class-card{flex-direction:column;align-items:flex-start;gap:.7rem}}.loader-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0000004d;display:flex;justify-content:center;align-items:center;z-index:9999;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.spinner{width:50px;height:50px;border:5px solid #ccc;border-top:5px solid var(--main-color);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.forgot-wrapper{min-height:100vh;display:flex;justify-content:center;align-items:center;background:var(--bg-color);color:var(--text-color);transition:var(--transition)}.forgot-box{z-index:999!important;background:var(--card-bg);box-shadow:var(--shadow-medium);border-radius:var(--radius);padding:40px 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0;background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow-medium);padding:30px;transition:var(--transition)}.page-title{font-size:1.8rem;font-weight:600;color:var(--main-color)}.notification-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow-light);transition:var(--transition)}.sidebar{width:250px;height:100vh;background:var(--card-bg);color:var(--text-color);display:flex;flex-direction:column;justify-content:space-between;padding:22px 18px;position:fixed;left:0;top:0;transform:translate(-100%);transition:transform .35s ease,background .3s ease,color .3s ease;z-index:1000;box-shadow:var(--shadow-medium);border-right:1px solid var(--border-color);overflow-y:auto}.sidebar.open{transform:translate(0)}.sidebar-toggle{position:fixed;top:16px;left:700px;transform:translate(-650px);font-size:20px;border:1px solid var(--border-color);padding:7px 11px;border-radius:8px;cursor:pointer;background:var(--card-bg);color:var(--text-color);z-index:1101;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-light);transition:var(--transition)}.sidebar-toggle:hover{background:var(--accent-color);color:#fff}@media (max-width: 1400px){.sidebar-toggle{left:20px;transform:none}}.close-btn{background:none;border:none;color:var(--text-color);font-size:20px;cursor:pointer;padding:8px;border-radius:8px;transition:var(--transition)}.close-btn:hover{background-color:var(--accent-color);color:#fff}.logo{font-size:1.4rem;font-weight:600;color:var(--text-color);display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}.logo-text{display:flex;align-items:center;gap:12px}.logo-img1{width:48px;height:48px;display:flex!important;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border-radius:50%;color:#fff;font-weight:600;font-size:18px;box-shadow:var(--shadow-light)}.logo-text1 h4{font-size:15px;margin:0;color:var(--primary-color)}.logo-text1 p{font-size:12px;margin:0;opacity:.7;color:var(--subtext-color)}.menu{display:flex;flex-direction:column;margin-top:25px}.menu a{display:flex;align-items:center;gap:12px;color:var(--text-color);padding:12px 14px;border-radius:8px;text-decoration:none;transition:var(--transition);margin-bottom:10px;font-size:14.5px;font-weight:500;background:transparent}.menu a:hover{background:linear-gradient(135deg,#2563eb1a,#7c3aed1f);color:var(--primary-color)}.menu a.active{background:linear-gradient(135deg,#2563eb2e,#7c3aed33);color:var(--primary-color);font-weight:600;border-left:4px solid var(--primary-color);padding-left:10px}.house{color:var(--primary-color)}.user{color:var(--secondary-color)}.calendar{color:#f59e0b}.bell{color:#ef4444}.analytics{color:#6366f1}.logout{margin-top:auto;padding-top:15px;border-top:1px solid var(--border-color)}.logout-btn{background:none;border:none;color:#ef4444;cursor:pointer;font-size:15px;display:flex;align-items:center;gap:8px;font-weight:600;transition:var(--transition);padding:10px;border-radius:8px;width:100%}.logout-btn:hover{background:#ef444426}.overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0f172a8c;z-index:999;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);transition:opacity .3s ease}.sidebar::-webkit-scrollbar{width:6px}.sidebar::-webkit-scrollbar-thumb{background:var(--accent-color);border-radius:5px}.sidebar::-webkit-scrollbar-thumb:hover{background:var(--secondary-color)}.admin-header{display:flex;justify-content:space-between;align-items:center;background:var(--card-bg);color:var(--text-color);padding:12px 40px;width:100%;border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-light);position:sticky;top:0;z-index:900;transition:var(--transition)}.header-left{display:flex;align-items:center;gap:12px}.logo-img{width:42px;height:42px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;font-weight:600;font-size:1.2rem;border-radius:50%;display:flex;align-items:center;justify-content:center;text-decoration:none;box-shadow:var(--shadow-light)}.profile-placeholder{width:42px;height:42px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;font-weight:600;font-size:1.2rem;border-radius:50%;display:flex;align-items:center;justify-content:center;text-decoration:none}.header-left h2{margin:0;font-size:1.2rem;color:var(--primary-color);font-weight:600}.header-left p{font-size:.85rem;color:var(--subtext-color);margin:0}.header-right{display:flex;align-items:center;gap:22px}.notification{position:relative;font-size:1.3rem;color:var(--text-color);text-decoration:none;transition:color .3s ease,transform .3s ease}.notification sup{background:#ef4444;color:#fff;border-radius:50%;padding:2px 5px;font-size:.6rem;position:absolute;top:-5px;right:-8px;font-weight:600}@media (max-width: 992px){.admin-header{padding:10px 25px}.header-left h2{font-size:1rem}.header-right{gap:16px}}@media (max-width: 768px){.admin-header{padding:8px 15px}.notification{font-size:1.1rem}.profile-avatar{width:36px;height:36px;font-size:.85rem}}@media (max-width: 480px){.header-left h2{display:none}.header-right{gap:10px}.notification sup{top:-3px;right:-5px}}.notification>svg{animation:flip .9s ease-in-out infinite alternate;transform-origin:top center}@keyframes flip{0%{transform:rotate(8deg)}to{transform:rotate(-8deg)}}.body{background:var(--bg-color);color:var(--text-color);display:flex;flex-direction:column;align-items:center;gap:20px;max-width:100%;overflow:hidden}.container{width:100%;max-width:1440px;display:flex;flex-direction:column;gap:2rem}.welcome-card{background:var(--card-bg);box-shadow:var(--shadow-light);border-radius:var(--radius);padding:1.8rem 2.2rem;border:1px solid var(--border-color);transition:var(--transition)}.welcome-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-medium)}.welcome-card h3{color:var(--primary-color);font-size:1.4rem;margin-bottom:.4rem}.welcome-card p{color:var(--subtext-color);font-size:.95rem}.attendance-container{background:var(--card-bg);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow-medium);border:1px solid var(--border-color);transition:var(--transition)}.container-smth{display:flex;align-items:center;justify-content:center;margin-bottom:30px}.attendance-container:hover{transform:translateY(-3px)}.attendance-container h3{margin-bottom:1.5rem;color:var(--primary-color);font-size:1.3rem;text-align:center}.attendance-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1rem;margin-bottom:1.5rem}.attendance-btn{background:var(--gradient);border:none;padding:1rem;border-radius:var(--radius);cursor:pointer;font-weight:600;color:var(--text-color);display:flex;align-items:center;justify-content:center;gap:.6rem;box-shadow:var(--shadow-light);transition:var(--transition);text-transform:capitalize}.attendance-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-medium)}.attendance-btn.active{background:var(--accent-color);color:#fff}.reason-options{background:var(--bg-color);border-radius:var(--radius);border:1px dashed var(--border-color);padding:1.5rem;margin-bottom:1.5rem;box-shadow:var(--shadow-light)}.reason-options h4{color:var(--secondary-color);margin-bottom:1rem;text-align:center}.submit-btn{background:var(--primary-color);color:#fff;padding:.9rem 2.5rem;border-radius:var(--radius);border:none;font-weight:600;cursor:pointer;transition:var(--transition);display:block;margin:0 auto;font-size:1rem}.submit-btn:hover{background:var(--accent-color);color:var(--text-color)}.submitted-status{text-align:center;margin-top:2rem;color:var(--accent-color);font-weight:600;font-size:1rem}.submitted-status svg{margin-right:8px}.loader-container{display:flex;justify-content:center;align-items:center;height:100vh}.loader{border:5px solid var(--border-color);border-top:5px solid var(--accent-color);border-radius:50%;width:55px;height:55px;animation:spin 1s linear infinite}.comment-input{background:var(--gradient);border:none;padding:1rem 2rem;border-radius:var(--radius);font-weight:600;width:300px;color:var(--text-color);display:flex;align-items:center;justify-content:center;gap:.6rem;box-shadow:var(--shadow-light)}@keyframes spin{to{transform:rotate(360deg)}}.report-card{margin-top:30px;background:var(--card-bg);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow-medium);border:1px solid var(--border-color);animation:fadeInUp .6s ease both;width:100%;max-width:100vh;margin-left:auto;margin-right:auto}.report-header{display:flex;align-items:center;gap:12px;padding-bottom:12px;margin-bottom:20px;border-bottom:1px solid var(--border-color)}.report-header h3{font-size:1.4rem;font-weight:600;color:var(--primary-color)}.success-icon{color:var(--accent-color);font-size:1.6rem}.report-details{display:flex;flex-direction:column;gap:10px}.report-details p{margin:0;font-size:1rem;color:var(--subtext-color)}.report-details strong{color:var(--text-color)}.success-msg{margin-top:20px;color:var(--accent-color);font-weight:600;text-align:center;font-size:1rem}.fade-in-up{animation:fadeInUp .6s ease both}.fade-in-right{animation:fadeInRight .6s ease both}.fade-in{animation:fadeIn .4s ease both}@keyframes fadeInRight{0%{opacity:0;transform:translate(25px)}to{opacity:1;transform:translate(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.profile-page{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 80px);padding:2rem 1rem}.profile-card-full{width:100%;z-index:9;max-width:700px;padding:2.5rem;border-radius:var(--radius);border:1px solid var(--border-color);background:var(--card-bg);box-shadow:var(--shadow-medium);text-align:center}.profile-avatar-big{position:relative;width:140px;height:140px;border-radius:50%;overflow:hidden;margin:0 auto 1.2rem;box-shadow:var(--shadow-light);cursor:pointer;transition:var(--transition)}.profile-avatar-big:hover{transform:scale(1.04)}.avatar-img-big{width:100%;height:100%;object-fit:cover}.default-avatar-big{font-size:4rem;color:var(--subtext-color)}.avatar-overlay-big{position:absolute;bottom:0;width:100%;height:35%;background:#0000008c;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.85rem}.profile-avatar-big:hover .avatar-overlay-big{opacity:1}.profile-name-big{font-size:1.8rem;font-weight:700;color:var(--text-color)}.profile-role-big{font-size:1rem;font-weight:500;color:var(--primary-color);margin-bottom:1.5rem}.profile-info-box{margin:1.5rem auto;padding:1.5rem;background:var(--bg-color);border-radius:var(--radius);border:1px solid var(--border-color)}.info-row{display:flex;align-items:center;gap:.75rem;font-size:1rem;padding:.6rem 0;color:var(--text-color)}.btn-primary-big{display:inline-flex;align-items:center;gap:8px;background:var(--primary-color);padding:12px 20px;border-radius:var(--radius);color:#fff;text-decoration:none;font-weight:600;transition:var(--transition);margin-top:1rem}.btn-primary-big:hover{background:var(--secondary-color);transform:translateY(-2px)}@media (max-width: 600px){.profile-card-full{padding:1.7rem}.profile-avatar-big{width:110px;height:110px}.profile-name-big{font-size:1.5rem}}.notifications-page{min-height:100vh;color:var(--text-color);transition:var(--transition)}.notifications-container{max-width:900px;margin:20px auto 0;border-radius:var(--radius);box-shadow:var(--shadow-medium);padding:30px;transition:var(--transition)}.notifications-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}.page-title{z-index:12;font-size:1.8rem;font-weight:600;color:var(--main-color)}.create-btn{background:var(--main-color);color:#fff;border:none;border-radius:var(--radius);padding:10px 20px;font-size:1rem;cursor:pointer;box-shadow:var(--shadow-light);transition:var(--transition)}.create-btn:hover{background:var(--accent-color);transform:translateY(-2px)}.notifications-list-card{display:flex;flex-direction:column;gap:15px}.notification-card{background:var(--card-bg)!important;border:1px solid var(--border-color);border-radius:var(--radius);padding:18px 22px;z-index:12;box-shadow:var(--shadow-light);transition:var(--transition)}.notification-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-medium)}.notification-content h4{font-size:1.1rem;color:var(--main-color);margin-bottom:6px}.notification-content p{color:var(--text-color);opacity:.8;font-size:.95rem}.loading-text,.empty-text{text-align:center;color:var(--text-color);opacity:.7;font-size:1rem;padding:20px 0}.popup-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0f172a80;display:flex;align-items:center;justify-content:center;z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.popup-card{background:var(--card-bg);padding:25px 30px;border-radius:var(--radius);width:90%;max-width:420px;box-shadow:var(--shadow-medium);animation:popIn .25s ease-out}.popup-card h3{color:var(--main-color);margin-bottom:15px;font-size:1.4rem;text-align:center}.popup-card input,.popup-card textarea{width:100%;padding:10px 12px;margin-bottom:15px;border-radius:var(--radius);border:1px solid var(--border-color);background:var(--bg-color);color:var(--text-color);outline:none;transition:var(--transition);font-size:.95rem}.popup-card input:focus,.popup-card textarea:focus{border-color:var(--main-color);box-shadow:0 0 0 3px #2563eb33}.popup-card textarea{resize:none;min-height:90px}.popup-actions{display:flex;justify-content:flex-end;gap:10px}.cancel-btn,.save-btn{border:none;border-radius:var(--radius);padding:8px 18px;cursor:pointer;font-weight:500;transition:var(--transition)}.cancel-btn{background:transparent;border:1px solid var(--border-color);color:var(--text-color)}.cancel-btn:hover{background:var(--border-color);color:#fff}.save-btn{background:var(--main-color);color:#fff}.save-btn:hover{background:var(--accent-color)}@keyframes popIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.fade-in-up1{animation:fadeInUp .5s ease both}@keyframes fadeInUp{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 600px){.notifications-container{padding:20px}.page-title{font-size:1.5rem}.create-btn{padding:8px 16px;font-size:.9rem}}.schedule-page{width:100%;margin:0 auto;padding:0 1rem;color:var(--text-color)}.day-selector{margin-top:1.5rem;display:flex;align-items:center;justify-content:center;gap:1.2rem;padding:1rem}.selected-day-title{font-size:1.6rem;font-weight:800;background:linear-gradient(90deg,var(--primary-color),var(--accent-color));-webkit-background-clip:text;color:transparent;letter-spacing:.5px}.arrow-btn{background:var(--card-bg);border:1px solid var(--border-color);padding:.6rem .9rem;font-size:1.1rem;border-radius:var(--radius);cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-light);color:var(--text-color)}.arrow-btn:hover{background:var(--primary-color);color:#fff;transform:translateY(-3px);box-shadow:var(--shadow-medium)}.schedule-grid{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow-medium);margin-top:1.6rem;border:1px solid var(--border-color);padding:1rem .8rem;animation:fadeInUp .35s ease}.lesson-row{display:flex;align-items:center;border-bottom:1px solid var(--border-color);padding:1rem .5rem}.lesson-row:last-child{border-bottom:none}.delete-btn{background:#ff4d4d;border:none;color:#fff;border-radius:var(--radius);padding:.5rem .8rem;cursor:pointer;font-size:.95rem;transition:var(--transition)}.delete-btn:hover{background:#ff2e2e}.period-info{width:180px;display:flex;flex-direction:column;padding-right:1rem}.period-info strong{font-size:1.05rem;color:var(--primary-color)}.period-time{font-size:.85rem;color:var(--subtext-color);margin-top:.3rem}.lesson-box{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,var(--primary-color),var(--accent-color));color:#fff;padding:1rem;border-radius:var(--radius);width:100%;box-shadow:var(--shadow-medium);transition:var(--transition);animation:fadeInUp .3s ease}.lesson-box:hover{transform:translateY(-4px) scale(1.01);box-shadow:0 8px 20px #0ea5e94d}.lesson-box h4{font-size:1.1rem;font-weight:700;letter-spacing:.3px}.lesson-box p{margin-top:.2rem;font-size:.9rem;opacity:.95}.class-tag{display:inline-block;margin-top:.4rem;padding:.3rem .7rem;background:#ffffff40;border-radius:var(--radius);font-size:.8rem;font-weight:600;text-transform:capitalize}.empty-slot{color:var(--subtext-color);opacity:.7;font-size:1.1rem;font-style:italic;padding-left:.5rem}@media (max-width: 500px){.schedule-page{margin:0;padding:0}}.modal-backdrop{position:fixed;inset:0;background:#0000008c;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeBackdrop .25s ease}.modal{background:var(--card-bg);border-radius:var(--radius);width:100%;max-width:420px;padding:1.6rem;box-shadow:var(--shadow-medium);border:1px solid var(--border-color);animation:scaleIn .25s ease}.modal h3{text-align:center;font-size:1.4rem;font-weight:800;margin-bottom:1.2rem;background:linear-gradient(90deg,var(--primary-color),var(--accent-color));-webkit-background-clip:text;color:transparent}.modal input,.modal select{width:100%;padding:.75rem .85rem;margin-bottom:.75rem;border-radius:var(--radius);border:1px solid var(--border-color);background:transparent;color:var(--text-color);font-size:.95rem;transition:var(--transition)}.modal input::placeholder{color:var(--subtext-color)}.modal input:focus,.modal select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #0ea5e940}.modal-actions{display:flex;gap:.8rem;margin-top:1rem}.modal-actions button{flex:1;padding:.7rem 0;border-radius:var(--radius);font-size:.95rem;font-weight:700;cursor:pointer;border:none;transition:var(--transition)}.modal-actions button:first-child{background:linear-gradient(135deg,var(--primary-color),var(--accent-color));color:var(--text-color)}.modal-actions button:first-child:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 16px #0ea5e959}.modal-actions button:first-child:disabled{opacity:.5;cursor:not-allowed}.modal-actions button:last-child{background:transparent;border:1px solid var(--border-color);color:var(--text-color)}.modal-actions button:last-child:hover{background:#ffffff0d}.modal select{background-color:var(--card-bg);color:var(--text-color)}.modal select option{background-color:var(--bg-color);color:var(--text-color)}.modal select option:checked{background-color:var(--primary-color);color:#fff}.modal select option:hover{background-color:var(--accent-color);color:#fff}@media (max-width: 500px){.modal{margin:0 .8rem;padding:1.3rem}}.forgot-link{text-align:center;margin-top:1rem;color:var(--subtext-color)}.forgot-link a{color:var(--primary-color);text-decoration:none;font-weight:600}.forgot-link a:hover{color:var(--secondary-color)}.analytics-container{max-width:1400px;margin:30px auto;padding:30px;display:flex;flex-direction:column;align-items:center;background:var(--card-bg);border-radius:var(--radius);width:100vw;box-shadow:var(--shadow-light);border:1px solid var(--border-color);transition:var(--transition)}.analytics-container h3{font-size:22px;font-weight:600;margin-bottom:25px;color:var(--text-color);border-bottom:2px solid var(--main-color);display:inline-block;padding-bottom:6px}.chart-box{width:100%;height:450px;background:var(--bg-color);border-radius:var(--radius);box-shadow:var(--shadow-medium);padding:15px;transition:var(--transition);flex-shrink:0}.pie-charts{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:2rem;width:100%;margin-top:20px}.pie-chart-box{flex:1;min-width:320px;background:var(--bg-color);border-radius:var(--radius);box-shadow:var(--shadow-medium);padding:20px;text-align:center;transition:var(--transition)}.pie-chart-box:hover{transform:translateY(-5px);box-shadow:var(--shadow-strong)}.pie-chart-box h4{font-size:18px;font-weight:600;color:var(--text-color);margin-bottom:15px;border-bottom:1.5px solid var(--border-color);display:inline-block;padding-bottom:5px}.fade-in-up{animation:fadeInUp .6s ease forwards}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 900px){.pie-charts{flex-direction:column;align-items:center}.pie-chart-box{width:90%}}:root[data-theme=light]{--bg-color: #f6f8fb;--card-bg: #ffffff;--text-color: #1e1e1e;--subtext-color: #5f6368;--border-color: #e3e6eb;--primary-color: #2563eb;--secondary-color: #7c3aed;--accent-color: #0ea5e9;--gradient: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);--shadow-light: 0 2px 6px rgba(0, 0, 0, .08);--shadow-medium: 0 4px 12px rgba(0, 0, 0, .12);--radius: 10px;--transition: all .3s ease}:root[data-theme=dark]{--bg-color: #0f172a;--card-bg: #1e293b;--text-color: #f1f5f9;--subtext-color: #94a3b8;--border-color: #334155;--primary-color: #3b82f6;--secondary-color: #8b5cf6;--accent-color: #38bdf8;--gradient: linear-gradient(135deg, #1e293b 0%, #334155 100%);--shadow-light: 0 2px 6px rgba(255, 255, 255, .05);--shadow-medium: 0 4px 12px rgba(255, 255, 255, .08);--radius: 10px;--transition: all .3s ease}body{background:var(--bg-color);color:var(--text-color);font-family:Poppins,Inter,system-ui,sans-serif;transition:var(--transition);margin:0;padding:0;overflow-x:hidden;line-height:1.6}body::-webkit-scrollbar{width:8px}body::-webkit-scrollbar-thumb{background:var(--accent-color);border-radius:10px}body::-webkit-scrollbar-thumb:hover{background:var(--secondary-color)}body::-webkit-scrollbar-track{background:var(--bg-color)}*{transition:background-color .3s ease,color .3s ease,border .3s ease}a,button{color:var(--primary-color);transition:var(--transition)}