@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary:0 0% 100%;--bg-secondary:210 40% 98%;--bg-card:0 0% 100%;--text-primary:222.2 47.4% 11.2%;--text-secondary:215.4 16.3% 46.9%;--text-muted:215.4 16.3% 65%;--primary:250 84% 54%;--primary-hover:250 84% 49%;--primary-focus:250 84% 54% / .15;--border:240 5.9% 90%;--border-focus:250 84% 54%;--error:0 84.2% 60.2%;--error-bg:0 100% 97%;--success:142.1 76.2% 36.3%;--success-bg:142.1 76.2% 95%;--radius-sm:6px;--radius-md:12px;--radius-lg:16px;--transition-fast:.15s ease;--transition-normal:.25s cubic-bezier(.4, 0, .2, 1);--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000000d, 0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #0000000d, 0 4px 6px -4px #0000000d;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;box-sizing:border-box;font-size:16px;line-height:1.5}@media (prefers-color-scheme:dark){:root{--bg-primary:240 10% 3.9%;--bg-secondary:240 10% 6%;--bg-card:240 10% 5.9%;--text-primary:0 0% 98%;--text-secondary:240 5% 64.9%;--text-muted:240 3.8% 46.1%;--primary:250 95% 68%;--primary-hover:250 95% 75%;--primary-focus:250 95% 68% / .2;--border:240 3.7% 15.9%;--border-focus:250 95% 68%;--error:0 84.2% 60.2%;--error-bg:0 100% 10% / .5;--success:142.1 76.2% 36.3%;--success-bg:142.1 76.2% 10% / .5;--shadow-sm:0 1px 2px 0 #00000080;--shadow-md:0 4px 6px -1px #0000004d, 0 2px 4px -2px #0000004d;--shadow-lg:0 10px 15px -3px #0006, 0 4px 6px -4px #0006}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background-color:hsl(var(--bg-primary));color:hsl(var(--text-primary));font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100dvh;transition:background-color var(--transition-normal), color var(--transition-normal);flex-direction:column;display:flex;overflow-x:hidden}#root{flex-direction:column;flex-grow:1;min-height:100dvh;display:flex}h1,h2,h3,h4,h5,h6{color:hsl(var(--text-primary));letter-spacing:-.025em;font-weight:600;line-height:1.25}p{color:hsl(var(--text-secondary))}a{color:hsl(var(--primary));transition:color var(--transition-fast);text-decoration:none}a:hover{color:hsl(var(--primary-hover))}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-dot{0%,to{opacity:.4}50%{opacity:1}}.animate-fade-in{animation:fadeIn var(--transition-normal) forwards}.form-group{text-align:left;flex-direction:column;gap:6px;width:100%;margin-bottom:20px;display:flex}.form-label{color:hsl(var(--text-primary));font-size:.875rem;font-weight:500}.form-input-container{align-items:center;width:100%;display:flex;position:relative}.form-input{background-color:hsl(var(--bg-primary));width:100%;color:hsl(var(--text-primary));border:1px solid hsl(var(--border));border-radius:var(--radius-sm);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);min-height:46px;padding:12px 14px;font-family:inherit;font-size:.95rem}.form-input:focus{border-color:hsl(var(--border-focus));box-shadow:0 0 0 3px hsl(var(--primary-focus));outline:none}.form-input.has-icon-right{padding-right:44px}.form-input.is-invalid{border-color:hsl(var(--error))}.form-input.is-invalid:focus{box-shadow:0 0 0 3px hsl(var(--error) / .15)}.form-error{color:hsl(var(--error));align-items:center;gap:4px;margin-top:4px;font-size:.8rem;display:flex}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;min-height:46px;padding:12px 20px;font-family:inherit;font-size:.95rem;font-weight:500;display:inline-flex}.btn-primary{background-color:hsl(var(--primary));color:#fff}.btn-primary:hover:not(:disabled){background-color:hsl(var(--primary-hover));transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-outline{border-color:hsl(var(--border));color:hsl(var(--text-primary));background-color:#0000}.btn-outline:hover:not(:disabled){background-color:hsl(var(--bg-secondary))}.btn-outline:disabled{opacity:.5;cursor:not-allowed}.password-toggle-btn{color:hsl(var(--text-secondary));cursor:pointer;transition:color var(--transition-fast), background-color var(--transition-fast);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:6px;display:flex;position:absolute;right:12px}.password-toggle-btn:hover{color:hsl(var(--text-primary));background-color:hsl(var(--bg-secondary))}.password-toggle-btn:focus-visible{outline:2px solid hsl(var(--primary))}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin}.spinner-primary{border-color:hsl(var(--border));border-top-color:hsl(var(--primary))}@keyframes spin{to{transform:rotate(360deg)}}.auth-wrapper{background-color:hsl(var(--bg-secondary));flex-grow:1;justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{background-color:hsl(var(--bg-card));border:1px solid hsl(var(--border));border-radius:var(--radius-lg);width:100%;max-width:420px;box-shadow:var(--shadow-lg);text-align:center;animation:fadeIn var(--transition-normal) forwards;padding:40px}.auth-header{margin-bottom:32px}.auth-header h1{margin-bottom:8px;font-size:1.75rem;font-weight:700}.auth-header p{font-size:.95rem}.auth-mode-toggle{color:hsl(var(--text-secondary));margin-top:24px;font-size:.9rem}.auth-mode-toggle button{color:hsl(var(--primary));cursor:pointer;background:0 0;border:none;padding:0 4px;font-family:inherit;font-weight:500;text-decoration:underline}.auth-mode-toggle button:hover{color:hsl(var(--primary-hover))}.alert{border-radius:var(--radius-sm);text-align:left;border:1px solid #0000;align-items:flex-start;gap:8px;margin-bottom:20px;padding:12px 16px;font-size:.875rem;display:flex}.alert-danger{background-color:hsl(var(--error-bg));border-color:hsl(var(--error) / .2);color:hsl(var(--error))}.dashboard-layout{background-color:hsl(var(--bg-secondary));flex-direction:column;min-height:100vh;display:flex}.dashboard-header{background-color:hsl(var(--bg-card));border-bottom:1px solid hsl(var(--border));justify-content:space-between;align-items:center;min-height:70px;padding:16px 32px;display:flex}.dashboard-logo{color:hsl(var(--text-primary));align-items:center;gap:8px;font-size:1.25rem;font-weight:700;display:flex}.dashboard-logo span{color:hsl(var(--primary))}.logo-images{align-items:center;gap:12px;margin-left:8px;display:flex}.header-logo{object-fit:contain;filter:drop-shadow(0 1px 2px #0000000d);width:auto;height:28px;transition:transform var(--transition-fast)}.header-logo:hover{transform:scale(1.05)}.logo-divider{background-color:hsl(var(--border));width:1px;height:24px;margin-left:12px;margin-right:4px}.dashboard-user{align-items:center;gap:16px;display:flex}.dashboard-user-email{color:hsl(var(--text-secondary));font-size:.9rem;font-weight:500}.dashboard-main{flex-grow:1;width:100%;max-width:1440px;margin:0 auto;padding:40px 32px}.dashboard-empty-state{border:2px dashed hsl(var(--border));border-radius:var(--radius-lg);background-color:hsl(var(--bg-card));text-align:center;flex-direction:column;justify-content:center;align-items:center;max-width:600px;margin:40px auto 0;padding:80px 24px;display:flex}.dashboard-empty-icon{color:hsl(var(--text-muted));margin-bottom:16px;font-size:2.5rem}.dashboard-empty-state h2{margin-bottom:10px;font-size:1.5rem}.dashboard-empty-state p{max-width:400px;margin-bottom:24px;font-size:.95rem}@media (width>=1440px){body{font-size:17px}.dashboard-main{padding:48px 40px}}@media (width<=1024px){.dashboard-header{padding:16px 24px}.dashboard-main{padding:32px 24px}.auth-card{padding:32px}}@media (width<=600px){.auth-wrapper{padding:16px}.auth-card{border-radius:var(--radius-md);padding:24px 20px}.auth-header{margin-bottom:24px}.auth-header h1{font-size:1.5rem}.dashboard-header{text-align:center;flex-direction:column;align-items:stretch;gap:12px;padding:12px 16px}.dashboard-logo{flex-wrap:wrap;justify-content:center;gap:8px}.logo-images{gap:8px;margin-left:4px}.header-logo{height:22px}.logo-divider{height:18px;margin-left:8px;margin-right:4px}.dashboard-user{border-top:1px solid hsl(var(--border));flex-direction:column;gap:8px;padding-top:12px}.dashboard-user-email{font-size:.85rem}.dashboard-main{padding:20px 16px}.dashboard-empty-state{margin-top:20px;padding:40px 16px}}@media (width<=375px){:root{font-size:14px}.auth-wrapper{padding:10px}.auth-card{box-shadow:none;background-color:#0000;border-color:#0000;padding:20px 16px}.form-input{min-height:42px;padding:10px 12px;font-size:.9rem}.btn{min-height:42px;padding:10px 16px;font-size:.9rem}.dashboard-header{padding:12px 10px}}.dashboard-container{flex-grow:1;height:calc(100vh - 70px);display:flex;overflow:hidden}.dashboard-sidebar{background-color:hsl(var(--bg-card));border-right:1px solid hsl(var(--border));width:320px;transition:all var(--transition-normal);flex-direction:column;flex-shrink:0;display:flex}.sidebar-search-container{border-bottom:1px solid hsl(var(--border));flex-direction:column;gap:12px;padding:16px;display:flex}.sidebar-title{text-transform:uppercase;letter-spacing:.05em;color:hsl(var(--text-muted));justify-content:space-between;align-items:center;font-size:.8rem;font-weight:700;display:flex}.user-list{flex-grow:1;padding:12px 8px;overflow-y:auto}.user-item{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);text-align:left;background:0 0;border:1px solid #0000;align-items:center;gap:12px;width:100%;margin-bottom:6px;padding:10px 12px;display:flex}.user-item:hover{background-color:hsl(var(--bg-secondary))}.user-item.active{background-color:hsl(var(--primary-focus));border-color:hsl(var(--primary) / .15)}.user-item-avatar{background:linear-gradient(135deg, hsl(var(--primary) / .8), hsl(var(--primary-hover)));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;font-size:.9rem;font-weight:600;display:flex}.user-item-details{flex-grow:1;min-width:0}.user-item-name{color:hsl(var(--text-primary));white-space:nowrap;text-overflow:ellipsis;margin-bottom:2px;font-size:.875rem;font-weight:600;overflow:hidden}.user-item-sub{color:hsl(var(--text-secondary));white-space:nowrap;text-overflow:ellipsis;font-size:.75rem;overflow:hidden}.user-status-dot{background-color:hsl(var(--text-muted));border-radius:50%;flex-shrink:0;width:8px;height:8px}.user-status-dot.active{background-color:hsl(var(--success));box-shadow:0 0 0 2px hsl(var(--success) / .2)}.dashboard-content{background-color:hsl(var(--bg-secondary));flex-direction:column;flex-grow:1;gap:24px;padding:32px;display:flex;overflow-y:auto}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;display:grid}.stat-card{background-color:hsl(var(--bg-card));border:1px solid hsl(var(--border));border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:transform var(--transition-fast), box-shadow var(--transition-fast);align-items:center;gap:16px;padding:20px;display:flex}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-icon-wrapper{border-radius:var(--radius-sm);color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:46px;height:46px;display:flex}.stat-icon-primary{background-color:hsl(var(--primary))}.stat-icon-success{background-color:hsl(var(--success))}.stat-icon-warning{background-color:#f59e0b}.stat-icon-info{background-color:#06b6d4}.stat-details{flex-direction:column;min-width:0;display:flex}.stat-value{color:hsl(var(--text-primary));font-size:1.35rem;font-weight:700;line-height:1.2}.stat-label{color:hsl(var(--text-secondary));margin-top:2px;font-size:.8rem}.report-card{background-color:hsl(var(--bg-card));border:1px solid hsl(var(--border));border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:24px}.report-card-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.report-card-title{color:hsl(var(--text-primary));font-size:1.05rem;font-weight:600}.popularity-list{flex-direction:column;gap:16px;display:flex}.popularity-item{flex-direction:column;gap:6px;display:flex}.popularity-info{justify-content:space-between;font-size:.825rem;display:flex}.popularity-name{color:hsl(var(--text-primary));white-space:nowrap;text-overflow:ellipsis;max-width:75%;font-weight:500;overflow:hidden}.popularity-count{color:hsl(var(--text-secondary));font-weight:600}.popularity-bar-bg{background-color:hsl(var(--bg-secondary));border-radius:3px;height:6px;overflow:hidden}.popularity-bar-fg{background:linear-gradient(90deg, hsl(var(--primary)), hsl(var(--primary-hover)));border-radius:3px;height:100%;transition:width .5s ease-out}.table-wrapper{border-radius:var(--radius-sm);border:1px solid hsl(var(--border));overflow-x:auto}.report-table{border-collapse:collapse;text-align:left;width:100%;font-size:.875rem}.report-table th{background-color:hsl(var(--bg-secondary));color:hsl(var(--text-secondary));border-bottom:1px solid hsl(var(--border));white-space:nowrap;padding:10px 14px;font-weight:600}.report-table td{border-bottom:1px solid hsl(var(--border));color:hsl(var(--text-primary));padding:12px 14px}.report-table tr:last-child td{border-bottom:none}.report-table tr:hover td{background-color:hsl(var(--bg-secondary) / .4)}.user-profile-header{background:linear-gradient(135deg, hsl(var(--primary) / .04) 0%, hsl(var(--bg-card)) 100%);border:1px solid hsl(var(--border));border-radius:var(--radius-md);flex-wrap:wrap;align-items:center;gap:20px;padding:24px;display:flex}.user-profile-avatar{background:linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary-hover)));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:56px;height:56px;font-size:1.35rem;font-weight:700;display:flex}.user-profile-info{flex-grow:1;min-width:0}.user-profile-email{word-break:break-all;margin-bottom:6px;font-size:1.15rem;font-weight:700}.user-profile-meta{color:hsl(var(--text-secondary));flex-wrap:wrap;gap:16px;font-size:.8rem;display:flex}.user-profile-meta-item{align-items:center;gap:6px;display:flex}.custom-scrollbar::-webkit-scrollbar{width:5px;height:5px}.custom-scrollbar::-webkit-scrollbar-track{background:0 0}.custom-scrollbar::-webkit-scrollbar-thumb{background-color:hsl(var(--border));border-radius:3px}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background-color:hsl(var(--text-muted))}.search-wrapper{align-items:center;display:flex;position:relative}.search-input{border-radius:var(--radius-sm);border:1px solid hsl(var(--border));background-color:hsl(var(--bg-primary));width:100%;color:hsl(var(--text-primary));transition:all var(--transition-fast);outline:none;padding:10px 12px 10px 34px;font-size:.85rem}.search-input:focus{border-color:hsl(var(--primary));box-shadow:0 0 0 2px hsl(var(--primary-focus))}.search-icon{color:hsl(var(--text-muted));pointer-events:none;align-items:center;display:flex;position:absolute;left:12px}.controls-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.controls-filters{gap:8px;display:flex}.select-filter{border-radius:var(--radius-sm);border:1px solid hsl(var(--border));background-color:hsl(var(--bg-card));color:hsl(var(--text-primary));cursor:pointer;outline:none;padding:8px 12px;font-size:.8rem}.select-filter:focus{border-color:hsl(var(--primary))}.back-to-all-btn{border:1px solid hsl(var(--border));color:hsl(var(--text-primary));border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);background:0 0;align-items:center;gap:6px;padding:6px 12px;font-size:.8rem;font-weight:500;display:inline-flex}.back-to-all-btn:hover{background-color:hsl(var(--bg-secondary))}@media (width<=768px){.dashboard-container{flex-direction:column;height:auto;overflow:visible}.dashboard-sidebar{border-right:none;border-bottom:1px solid hsl(var(--border));width:100%;max-height:280px}.dashboard-content{padding:20px 16px;overflow-y:visible}}.user-profile-school{color:hsl(var(--text-primary));word-break:break-word;margin-bottom:2px;font-size:1.25rem;font-weight:700}.user-profile-school+.user-profile-email{color:hsl(var(--text-secondary));margin-bottom:6px;font-size:.9rem;font-weight:500}.school-name-page{flex-direction:column;flex-grow:1;gap:24px;width:100%;max-width:1100px;margin:0 auto;padding:32px;display:flex;position:relative}.school-page-header{flex-direction:column;gap:4px;display:flex}.school-page-title{align-items:center;gap:10px;font-size:1.5rem;font-weight:700;display:flex}.school-page-subtitle{color:hsl(var(--text-secondary));margin-top:4px;font-size:.875rem}.school-search-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.school-user-count{color:hsl(var(--text-muted));white-space:nowrap;font-size:.8rem;font-weight:600}.school-table-container{background-color:hsl(var(--bg-card));border:1px solid hsl(var(--border));border-radius:var(--radius-md);box-shadow:var(--shadow-sm);overflow:hidden}.school-table .editing-row td{background-color:hsl(var(--primary-focus))}.school-email-cell{align-items:center;gap:10px;display:flex}.school-email-avatar{background:linear-gradient(135deg, hsl(var(--primary) / .8), hsl(var(--primary-hover)));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:.75rem;font-weight:700;display:flex}.school-email-text{white-space:nowrap;text-overflow:ellipsis;font-size:.85rem;font-weight:500;overflow:hidden}.school-name-display{color:hsl(var(--text-primary));font-size:.875rem;font-weight:500}.school-name-display.empty{color:hsl(var(--text-muted));font-style:italic;font-weight:400}.school-inline-input{border:1.5px solid hsl(var(--primary));border-radius:var(--radius-sm);background-color:hsl(var(--bg-primary));width:100%;color:hsl(var(--text-primary));box-shadow:0 0 0 3px hsl(var(--primary-focus));transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;padding:8px 12px;font-family:inherit;font-size:.85rem}.school-inline-input:focus{border-color:hsl(var(--primary-hover))}.school-actions{justify-content:center;align-items:center;gap:6px;display:flex}.school-action-btn{border-radius:var(--radius-sm);border:1px solid hsl(var(--border));background:hsl(var(--bg-card));width:34px;height:34px;color:hsl(var(--text-secondary));cursor:pointer;transition:all var(--transition-fast);justify-content:center;align-items:center;display:flex}.school-action-btn:hover:not(:disabled){box-shadow:var(--shadow-sm);transform:translateY(-1px)}.school-action-btn:disabled{opacity:.5;cursor:not-allowed}.school-action-btn.edit:hover{color:hsl(var(--primary));border-color:hsl(var(--primary) / .4);background-color:hsl(var(--primary-focus))}.school-action-btn.save{color:hsl(var(--success));border-color:hsl(var(--success) / .3)}.school-action-btn.save:hover:not(:disabled){background-color:hsl(var(--success-bg));border-color:hsl(var(--success) / .5)}.school-action-btn.cancel{color:hsl(var(--error));border-color:hsl(var(--error) / .3)}.school-action-btn.cancel:hover:not(:disabled){background-color:hsl(var(--error-bg));border-color:hsl(var(--error) / .5)}.school-loading{flex-direction:column;justify-content:center;align-items:center;padding:80px 24px;display:flex}@keyframes slideInToast{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideOutToast{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-20px)}}.school-toast{z-index:9999;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);align-items:center;gap:10px;padding:12px 20px;font-size:.85rem;font-weight:500;animation:.3s ease-out forwards slideInToast;display:flex;position:fixed;top:20px;right:20px}.school-toast.success{background-color:hsl(var(--success));color:#fff}.school-toast.error{background-color:hsl(var(--error));color:#fff}.school-toast-close{color:inherit;cursor:pointer;opacity:.8;transition:opacity var(--transition-fast);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:2px;display:flex}.school-toast-close:hover{opacity:1}@media (width<=768px){.school-name-page{padding:20px 16px}.school-search-bar{flex-direction:column;align-items:stretch}.school-search-bar .search-wrapper{max-width:100%!important}}