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var(--border)}.timer{font-size:1.2rem;font-weight:600;color:var(--danger)}.timer.pulse{animation:timerPulse .5s ease-in-out 4}@keyframes timerPulse{0%,to{transform:scale(1)}50%{transform:scale(1.1);color:var(--danger)}}.time-display{font-family:Consolas,monospace}.progress-submit-row{display:flex;align-items:center;gap:16px;padding:12px 24px;background:var(--card-bg);border-radius:16px;margin:0 24px 20px;box-shadow:0 2px 8px var(--card-shadow)}.progress-submit-row .progress-container{flex:1;margin:0;padding:0;background:transparent;box-shadow:none}button.btn-submit.btn-submit-small{width:auto;padding:10px 18px;font-size:.85rem;white-space:nowrap;flex-shrink:0;border-radius:12px;margin-top:0}.theme-toggle{background:var(--border-light);border:1px solid var(--border);border-radius:10px;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s 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.stat-value{display:block;font-size:2rem;font-weight:700;margin-bottom:4px}.stat-item .stat-label{font-size:.85rem;color:var(--text-secondary)}.stat-item.answered{border-color:var(--success)}.stat-item.marked{border-color:var(--warning)}.stat-item.not-answered{border-color:var(--danger)}.stat-item.not-visited{border-color:var(--border)}.confirmation-palette{background:var(--card-bg);border-radius:16px;padding:24px;margin-bottom:24px;box-shadow:0 2px 12px var(--card-shadow)}.confirmation-palette h3{margin:0 0 20px;font-size:1.1rem;color:var(--text)}.palette-grid-large{display:grid;grid-template-columns:repeat(10,1fr);gap:10px}.palette-item{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:10px;font-weight:700;font-size:1.1rem;cursor:pointer;transition:all .2s ease;border:2px solid transparent}.palette-item:hover{transform:scale(1.1);box-shadow:0 4px 12px var(--card-shadow)}.palette-item.answered{background:transparent;color:var(--success);border-color:var(--success)}.palette-item.marked{background:transparent;color:var(--warning);border-color:var(--warning)}.palette-item.answered-marked{background:transparent;border:2px solid;border-image:linear-gradient(135deg,var(--success),var(--warning)) 1;color:var(--primary)}.palette-item.not-answered{background:transparent;color:var(--danger);border-color:var(--danger)}.palette-item.not-visited{background:transparent;color:var(--text-muted);border-color:var(--border)}.confirmation-legend{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;margin-bottom:32px}.confirmation-legend .legend-item{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--text-secondary)}.confirmation-legend .dot{width:18px;height:18px;border-radius:4px;border:2px solid var(--border);background:transparent}.confirmation-legend .dot.answered{border-color:var(--success)}.confirmation-legend 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p{margin:0;font-size:.85rem;color:var(--text-secondary)}.performance-score{font-size:1.4rem;font-weight:700;padding:12px 20px;border-radius:12px;min-width:80px;text-align:center}.performance-score.good{background:linear-gradient(135deg,#10b981,#34d399);color:#fff}.performance-score.okay{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#fff}.performance-score.low{background:linear-gradient(135deg,#ef4444,#f87171);color:#fff}@media(max-width:992px){.profile-details,.stats-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:576px){.profile-avatar-section{flex-direction:column;text-align:center}.profile-details,.stats-grid{grid-template-columns:1fr}.performance-item{flex-direction:column;gap:12px;align-items:flex-start}.performance-score{width:100%}.header-nav{flex-direction:column;align-items:flex-start;gap:8px}}.logout-section{margin-top:32px;text-align:center}.btn-logout{padding:14px 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.topic-count{background:var(--danger)}.missed-title{color:var(--danger)}.missed-card{border-left:3px solid var(--danger)}.missed-timing{color:var(--danger)!important}.missed-content{border:1px solid rgba(239,68,68,.2)}.scheduled-date{font-size:.85rem;color:var(--text-secondary);margin:8px 0 0;font-style:italic}.test-duration{font-size:.85rem;color:var(--primary);margin:6px 0 0;font-weight:500}.test-timing{font-size:.85rem;color:var(--success);margin:6px 0 0;font-weight:600;display:flex;align-items:center;gap:4px}.btn-view-summary{padding:8px 16px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s ease;white-space:nowrap}.btn-view-summary:hover{opacity:.9;transform:translateY(-2px)}.summary-modal{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;animation:fadeIn .3s 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8px;font-size:1.5rem;color:var(--text)}.summary-title{margin:0 0 12px;color:var(--text-secondary);font-size:.95rem}.summary-grade{display:inline-block;padding:6px 20px;border-radius:20px;font-size:.9rem;font-weight:600}.summary-grade.excellent{background:linear-gradient(135deg,#10b981,#34d399);color:#fff}.summary-grade.good{background:linear-gradient(135deg,#3b82f6,#60a5fa);color:#fff}.summary-grade.average{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#fff}.summary-grade.low{background:linear-gradient(135deg,#8b5cf6,#a78bfa);color:#fff}.summary-feedback{margin-bottom:24px;padding:16px;background:var(--option-bg);border-radius:12px}.summary-feedback p{margin:0;color:var(--text);font-size:.95rem;line-height:1.6}.summary-recommendations{text-align:left;margin-bottom:24px;padding:16px;background:var(--option-bg);border-radius:12px}.summary-recommendations h4{margin:0 0 12px;font-size:1rem;color:var(--text)}.summary-recommendations ul{margin:0;padding-left:20px}.summary-recommendations li{color:var(--text-secondary);padding:4px 0;font-size:.9rem;line-height:1.5}.summary-recommendations li::marker{color:var(--primary)}.btn-close-summary{width:100%;padding:14px;background:var(--primary);color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-close-summary:hover{opacity:.9;transform:translateY(-2px)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:24px;position:relative;overflow:hidden}.login-bg-decoration{position:absolute;inset:0;pointer-events:none;overflow:hidden}.math-symbol{position:absolute;font-weight:600;opacity:.35;pointer-events:none;animation:floatSymbol 6s ease-in-out infinite}.symbol-1{font-size:5rem;color:var(--primary);top:8%;left:8%;animation-delay:0s}.symbol-2{font-size:4rem;color:#10b981;bottom:15%;right:10%;animation-delay:.5s}.symbol-3{font-size:3.5rem;color:#f59e0b;top:50%;left:5%;animation-delay:1s}.symbol-4{font-size:4.5rem;color:#3b82f6;top:15%;right:12%;animation-delay:1.5s}.symbol-5{font-size:3rem;color:#8b5cf6;bottom:25%;left:15%;animation-delay:2s}.symbol-6{font-size:3.5rem;color:#ec4899;top:35%;right:8%;animation-delay:2.5s}.symbol-7{font-size:2.5rem;color:#06b6d4;bottom:40%;right:18%;animation-delay:3s}.symbol-8{font-size:4rem;color:#10b981;top:70%;left:10%;animation-delay:3.5s}.symbol-9{font-size:3rem;color:var(--primary);top:5%;right:25%;animation-delay:4s}.symbol-10{font-size:2.5rem;color:#f59e0b;bottom:8%;left:25%;animation-delay:4.5s}.symbol-11{font-size:3.5rem;color:#3b82f6;top:45%;right:5%;animation-delay:5s;font-family:Consolas,monospace}.symbol-12{font-size:4rem;color:#8b5cf6;bottom:30%;right:25%;animation-delay:5.5s;font-family:Consolas,monospace}.symbol-13{font-size:3rem;color:#ec4899;top:25%;left:12%;animation-delay:1.2s}.symbol-14{font-size:3.5rem;color:#06b6d4;bottom:12%;right:15%;animation-delay:2.8s}@keyframes floatSymbol{0%{transform:translate(0) rotate(0)}25%{transform:translate(10px,-10px) rotate(5deg)}50%{transform:translateY(-15px) rotate(0)}75%{transform:translate(-10px,-10px) rotate(-5deg)}to{transform:translate(0) rotate(0)}}.login-container{background:var(--card-bg);border-radius:24px;padding:40px;width:100%;max-width:420px;box-shadow:0 10px 40px var(--card-shadow);position:relative}.login-theme-toggle{position:absolute;top:20px;right:20px}.login-header{text-align:center;margin-bottom:32px}.login-logo{font-size:3.5rem;margin-bottom:16px}.login-logo-img{max-width:220px;height:auto;margin-bottom:16px;border-radius:16px}@keyframes logoGlow{0%,to{filter:drop-shadow(0 0 8px rgba(155,127,209,.3));transform:scale(1)}50%{filter:drop-shadow(0 0 20px rgba(155,127,209,.5));transform:scale(1.02)}}.login-header h1{margin:0 0 8px;font-size:1.6rem;color:var(--text)}.login-header p{margin:0;color:var(--text-secondary);font-size:.95rem}.login-tabs{display:flex;gap:8px;margin-bottom:28px;background:var(--option-bg);padding:6px;border-radius:12px}.login-tab{flex:1;padding:12px 16px;border:none;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .2s ease;background:transparent;color:var(--text-secondary)}.login-tab:hover{color:var(--text)}.login-tab.active{background:var(--primary);color:#fff;box-shadow:0 4px 12px #9b7fd14d}.login-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:.9rem;font-weight:600;color:var(--text)}.form-group input{padding:14px 16px;border:2px solid var(--border);border-radius:12px;font-size:1rem;background:var(--option-bg);color:var(--text);outline:none;transition:all .2s ease}.form-group input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #9b7fd133}.form-group input::placeholder{color:var(--text-secondary);opacity:.7}.password-input-wrapper{position:relative;display:flex;align-items:center}.password-input-wrapper input{width:100%;padding-right:48px}.password-toggle-btn{position:absolute;right:12px;background:none;border:none;padding:8px;cursor:pointer;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;border-radius:8px;transition:all .2s ease}.password-toggle-btn:hover{color:var(--text);background:var(--border-light)}.password-toggle-btn svg{width:20px;height:20px}.login-error{background:#ef44441a;color:var(--danger);padding:12px 16px;border-radius:10px;font-size:.9rem;text-align:center}.btn-login{padding:16px;background:var(--primary);color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:8px}.btn-login:hover{opacity:.9;transform:translateY(-2px)}.btn-login:disabled{opacity:.7;cursor:not-allowed;transform:none}.login-spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.demo-credentials{margin-top:24px;padding:16px;background:var(--option-bg);border-radius:12px;text-align:center;font-size:.85rem}.demo-credentials p{margin:0 0 8px;color:var(--text-secondary);font-weight:600}.demo-credentials span{color:var(--text)}.demo-credentials code{background:var(--border-light);padding:2px 8px;border-radius:6px;font-family:Consolas,monospace;color:var(--primary)}@media(max-width:480px){.login-container{padding:28px 20px}.login-logo{font-size:2.5rem}.login-header h1{font-size:1.3rem}.login-tab{padding:10px 12px;font-size:.85rem}}.rules-page{min-height:100vh}.rules-container{max-width:800px;margin:0 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solid var(--border);transition:all .2s ease}.rule-item:hover{border-color:var(--primary-light);transform:translate(4px)}.rule-number{width:32px;height:32px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.9rem;flex-shrink:0}.rule-item p{margin:0;color:var(--text);font-size:.95rem;line-height:1.5;padding-top:4px}.notice-card{background:linear-gradient(135deg,#ef44441a,#ef44440d);border:1px solid rgba(239,68,68,.3);border-radius:16px;padding:20px 24px;margin-bottom:24px}.notice-card h4{margin:0 0 8px;color:var(--danger);font-size:1rem}.notice-card p{margin:0;color:var(--text-secondary);font-size:.9rem;line-height:1.5}.start-confirmation{background:var(--card-bg);border-radius:16px;padding:28px;text-align:center;box-shadow:0 2px 12px var(--card-shadow)}.start-confirmation>p{margin:0 0 20px;font-size:1rem;color:var(--text)}.start-confirmation strong{color:var(--primary);background:var(--option-selected-bg);padding:2px 8px;border-radius:4px;font-family:Consolas,monospace}.start-input-group{display:flex;gap:12px;justify-content:center;align-items:center;max-width:400px;margin:0 auto}.start-input-group input{flex:1;padding:14px 20px;border:2px solid var(--border);border-radius:12px;font-size:1rem;font-family:Consolas,monospace;background:var(--option-bg);color:var(--text);outline:none;transition:border-color .2s ease;text-align:center}.start-input-group input:focus{border-color:var(--primary)}.start-input-group input.input-error{border-color:var(--danger);animation:shake .3s ease}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.btn-start-test{padding:14px 28px;background:var(--success);color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-start-test:hover{opacity:.9;transform:translateY(-2px)}.btn-start-test:disabled{opacity:.5;cursor:not-allowed;transform:none}.start-confirmation .error-message{color:var(--danger);margin-top:16px;font-size:.9rem}.rules-split-layout{display:grid;grid-template-columns:2fr 1fr;gap:24px;margin-top:20px}.rules-right-panel{position:sticky;top:100px;height:fit-content}.action-card{background:var(--card-bg);border-radius:20px;padding:32px;text-align:center;box-shadow:0 4px 20px var(--card-shadow);border:2px solid var(--primary-light)}.action-icon{font-size:3rem;margin-bottom:16px}.action-card h3{margin:0 0 12px;font-size:1.3rem;color:var(--text)}.action-card p{margin:0 0 24px;color:var(--text-secondary);font-size:.9rem;line-height:1.5}.action-buttons{display:flex;flex-direction:column;gap:12px}.btn-go-back{padding:12px 24px;background:var(--border-light);color:var(--text);border:2px solid var(--border);border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-go-back:hover{background:var(--border)}.agreement-section{background:var(--card-bg);border-radius:16px;padding:20px;box-shadow:0 2px 12px var(--card-shadow)}.agreement-section.error{border:2px solid var(--danger)}.agreement-checkbox{display:flex;align-items:flex-start;gap:12px;cursor:pointer;-webkit-user-select:none;user-select:none}.agreement-checkbox input[type=checkbox]{width:20px;height:20px;margin-top:2px;accent-color:var(--primary);cursor:pointer}.agreement-text{color:var(--text);font-size:.9rem;line-height:1.5}.error-message{color:var(--danger);margin-top:12px;font-size:.85rem}.graph-message{text-align:center;padding:16px;margin-top:16px;background:var(--option-bg);border-radius:12px}.graph-message p{margin:0;color:var(--text-secondary);font-size:.9rem;font-style:italic}.graph-empty-message{display:flex;align-items:center;justify-content:center;width:100%;height:100%;color:var(--text-secondary);font-style:italic}@media(max-width:600px){.rules-container{padding:16px}.test-meta{flex-direction:column;align-items:flex-start}.rules-card{padding:20px}.rule-item{padding:12px;gap:12px}.rule-number{width:28px;height:28px;font-size:.8rem}.start-input-group{flex-direction:column}.start-input-group input,.btn-start-test{width:100%}}.toast-container{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:12px;max-width:400px}.toast{display:flex;align-items:flex-start;gap:12px;padding:16px;border-radius:12px;background:var(--card-bg);box-shadow:0 10px 40px #00000026;animation:toastSlideIn .3s ease;position:relative;overflow:hidden;border-left:4px solid}.toast-exit{animation:toastSlideOut .3s ease forwards}@keyframes toastSlideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes toastSlideOut{0%{transform:translate(0);opacity:1}to{transform:translate(100%);opacity:0}}.toast-success{border-color:var(--success)}.toast-error{border-color:var(--danger)}.toast-warning{border-color:var(--warning)}.toast-info{border-color:var(--primary)}.toast-icon{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;color:#fff;flex-shrink:0}.toast-success .toast-icon{background:var(--success)}.toast-error .toast-icon{background:var(--danger)}.toast-warning .toast-icon{background:var(--warning)}.toast-info .toast-icon{background:var(--primary)}.toast-content{flex:1}.toast-title{font-weight:600;margin-bottom:4px;color:var(--text)}.toast-message{font-size:.9rem;color:var(--text-secondary)}.toast-close{background:none;border:none;font-size:18px;color:var(--text-secondary);cursor:pointer;padding:0;line-height:1}.toast-close:hover{color:var(--text)}.toast-progress{position:absolute;bottom:0;left:0;height:3px;background:var(--primary);animation:toastProgress linear forwards}@keyframes toastProgress{0%{width:100%}to{width:0%}}.skeleton{background:linear-gradient(90deg,var(--border-light) 25%,var(--border) 50%,var(--border-light) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-text{display:flex;flex-direction:column;gap:8px}.skeleton-line{height:16px}.skeleton-card{background:var(--card-bg);border-radius:16px;padding:24px;box-shadow:0 2px 12px var(--card-shadow)}.skeleton-card-header{display:flex;justify-content:space-between;margin-bottom:16px}.skeleton-title{margin-bottom:8px}.skeleton-card-details{display:flex;flex-direction:column;gap:8px;margin:16px 0}.skeleton-button{margin-top:16px}.skeleton-stats{display:flex;align-items:center;gap:16px;background:var(--card-bg);padding:20px;border-radius:16px}.skeleton-stats-content{display:flex;flex-direction:column;gap:8px}.skeleton-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.skeleton-cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.skeleton-section-title{margin-bottom:16px}.skeleton-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.skeleton-header-right{display:flex;align-items:center;gap:12px}.skeleton-profile-card{display:flex;align-items:center;gap:24px;background:var(--card-bg);padding:32px;border-radius:16px}.skeleton-profile-info{display:flex;flex-direction:column;gap:12px}.dashboard-skeleton{animation:fadeIn .3s ease}.animated-counter{font-variant-numeric:tabular-nums}.progress-ring-container{position:relative;display:inline-flex;align-items:center;justify-content:center}.progress-ring{transform:rotate(-90deg)}.progress-ring-content{position:absolute;display:flex;flex-direction:column;align-items:center;justify-content:center}.performance-graph{background:var(--card-bg);border-radius:16px;padding:24px;box-shadow:0 2px 12px var(--card-shadow)}.graph-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.graph-header h3{margin:0;font-size:1.1rem}.graph-stats{display:flex;gap:24px}.graph-stat{text-align:center}.graph-stat .stat-value{display:block;font-size:1.2rem;font-weight:700;color:var(--primary)}.graph-stat .stat-label{font-size:.75rem;color:var(--text-secondary)}.graph-container{display:flex;gap:12px;height:200px}.graph-y-axis{display:flex;flex-direction:column;justify-content:space-between;font-size:.7rem;color:var(--text-secondary);padding:0 8px}.graph-area{flex:1;position:relative;border-left:1px solid var(--border);border-bottom:1px solid var(--border)}.graph-grid{position:absolute;inset:0}.grid-line{position:absolute;left:0;right:0;height:1px;background:var(--border-light)}.grid-line.average{background:var(--primary);opacity:.5;z-index:1}.average-label{position:absolute;right:0;top:-10px;font-size:.65rem;color:var(--primary);background:var(--card-bg);padding:2px 6px;border-radius:4px}.graph-bars{display:flex;align-items:flex-end;justify-content:space-around;height:100%;padding:0 10px;position:relative;z-index:2}.bar-container{display:flex;flex-direction:column;align-items:center;flex:1;max-width:40px;height:100%;justify-content:flex-end}.bar{width:100%;max-width:30px;border-radius:6px 6px 0 0;position:relative;animation:barGrow .6s ease-out forwards;transform-origin:bottom;cursor:pointer;transition:opacity .2s ease}.bar:hover{opacity:.8}@keyframes barGrow{0%{transform:scaleY(0)}to{transform:scaleY(1)}}.bar-tooltip{position:absolute;bottom:100%;left:50%;transform:translate(-50%);background:var(--card-bg);padding:8px 12px;border-radius:8px;box-shadow:0 4px 20px #00000026;white-space:nowrap;opacity:0;visibility:hidden;transition:all .2s ease;z-index:10;text-align:center}.bar:hover .bar-tooltip{opacity:1;visibility:visible;transform:translate(-50%) translateY(-8px)}.bar-tooltip strong{display:block;font-size:.85rem;color:var(--text)}.bar-tooltip span{font-size:.75rem;color:var(--text-secondary)}.tooltip-date{display:block;font-size:.65rem;color:var(--text-secondary);margin-top:4px}.bar-label{font-size:.65rem;color:var(--text-secondary);margin-top:8px;text-transform:uppercase}.graph-legend{display:flex;justify-content:center;gap:24px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border-light)}.graph-legend .legend-item{display:flex;align-items:center;gap:6px;font-size:.75rem;color:var(--text-secondary)}.graph-legend .legend-dot{width:10px;height:10px;border-radius:50%}.calendar-view{background:var(--card-bg);border-radius:16px;padding:24px;box-shadow:0 2px 12px var(--card-shadow)}.calendar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.calendar-header h3{margin:0;font-size:1rem}.calendar-nav{background:var(--border-light);border:none;width:32px;height:32px;border-radius:8px;font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text);transition:all .2s ease}.calendar-nav:hover{background:var(--border)}.calendar-weekdays{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;margin-bottom:8px}.weekday{font-size:.7rem;font-weight:600;color:var(--text-secondary);padding:8px 0}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.calendar-day{aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:8px;font-size:.85rem;cursor:pointer;transition:all .2s ease;position:relative}.calendar-day.empty{cursor:default}.calendar-day:not(.empty):hover{background:var(--border-light)}.calendar-day.today{background:var(--primary);color:#fff;font-weight:600}.calendar-day.today:hover{background:var(--primary-dark)}.calendar-day.has-events{font-weight:600}.event-dots{display:flex;gap:2px;margin-top:2px}.event-dot{width:4px;height:4px;border-radius:50%;background:var(--primary)}.calendar-day.today .event-dot{background:#fff}.event-count-badge{position:absolute;top:2px;right:2px;background:var(--primary);color:#fff;font-size:.65rem;font-weight:700;min-width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center;padding:0 4px}.calendar-day.today .event-count-badge{background:#fff;color:var(--primary)}.calendar-popup-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;animation:fadeIn .2s ease}.calendar-popup-modal{background:var(--card-bg);border-radius:20px;width:100%;max-width:450px;max-height:80vh;overflow:hidden;box-shadow:0 20px 60px #0000004d;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.popup-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}.popup-header h3{margin:0;font-size:1.1rem;color:var(--text)}.popup-close-btn{background:var(--border-light);border:none;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-secondary);font-size:1rem;transition:all .2s ease}.popup-close-btn:hover{background:var(--border);color:var(--text)}.popup-content{padding:20px 24px;overflow-y:auto;max-height:calc(80vh - 80px);display:flex;flex-direction:column;gap:16px}.popup-assessment-card{background:var(--option-bg);border-radius:16px;padding:20px;border:1px solid var(--border);transition:all .2s ease}.popup-assessment-card:hover{border-color:var(--primary-light);transform:translateY(-2px)}.popup-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.popup-assessment-card h4{margin:0 0 8px;font-size:1.05rem;color:var(--text)}.popup-instructor{margin:0 0 12px;color:var(--text-secondary);font-size:.9rem}.popup-details{display:flex;flex-direction:column;gap:8px;padding-top:12px;border-top:1px solid var(--border)}.popup-timing,.popup-duration{margin:0;display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--text)}.detail-icon{font-size:1rem}.upcoming-events{margin-top:20px;padding-top:16px;border-top:1px solid var(--border-light)}.upcoming-events h4{font-size:.9rem;margin:0 0 12px;color:var(--text-secondary)}.events-list{display:flex;flex-direction:column;gap:12px}.event-item{display:flex;gap:12px;align-items:center}.event-date{background:var(--primary);color:#fff;padding:8px 12px;border-radius:10px;text-align:center;min-width:50px}.event-day{display:block;font-size:1.2rem;font-weight:700}.event-month{display:block;font-size:.65rem;text-transform:uppercase}.event-info{flex:1}.event-title{display:block;font-weight:500;font-size:.9rem}.event-subject{font-size:.75rem;color:var(--text-secondary)}.activity-feed{background:var(--card-bg);border-radius:16px;padding:24px;box-shadow:0 2px 12px var(--card-shadow)}.feed-title{font-size:1.1rem;margin:0 0 20px}.activity-list{display:flex;flex-direction:column;gap:16px}.activity-item{display:flex;gap:16px;animation:slideInLeft .3s ease forwards;opacity:0}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.activity-icon{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem;color:#fff;flex-shrink:0}.activity-content{flex:1;min-width:0}.activity-header{display:flex;justify-content:space-between;align-items:center;gap:8px}.activity-title{font-weight:500;font-size:.9rem}.activity-time{font-size:.75rem;color:var(--text-secondary);white-space:nowrap}.activity-description{font-size:.8rem;color:var(--text-secondary);margin:4px 0 0}.activity-empty{text-align:center;padding:40px;color:var(--text-secondary)}.empty-icon{font-size:2rem;display:block;margin-bottom:8px}.breadcrumb{margin-bottom:20px}.breadcrumb-list{display:flex;align-items:center;gap:8px;list-style:none;margin:0;padding:0}.breadcrumb-item{display:flex;align-items:center;gap:8px}.breadcrumb-separator{color:var(--text-secondary);font-size:.9rem}.breadcrumb-link{display:flex;align-items:center;gap:6px;color:var(--text-secondary);text-decoration:none;font-size:.9rem;transition:color .2s ease}.breadcrumb-link:hover{color:var(--primary)}.home-icon{font-size:.9rem}.breadcrumb-current{color:var(--text);font-weight:500;font-size:.9rem}.fab-container{position:fixed;bottom:24px;right:24px;z-index:1000}.fab-main{width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px #0003;transition:all .3s ease;position:relative;z-index:10}.fab-main:hover{transform:scale(1.05);box-shadow:0 6px 30px #00000040}.fab-icon{font-size:1.5rem;transition:transform .3s ease}.fab-container.open .fab-icon{transform:rotate(45deg)}.fab-actions{position:absolute;bottom:70px;right:0;display:flex;flex-direction:column;gap:12px;pointer-events:none}.fab-container.open .fab-actions{pointer-events:auto}.fab-action{display:flex;align-items:center;gap:12px;background:var(--card-bg);border:none;border-radius:28px;padding:10px 16px;cursor:pointer;box-shadow:0 4px 15px var(--card-shadow);white-space:nowrap;transform:scale(0) translate(20px);opacity:0;transition:all .3s ease}.fab-container.open .fab-action{transform:scale(1) translate(0);opacity:1}.fab-action:hover{background:var(--border-light)}.fab-action-icon{font-size:1.2rem}.fab-action-label{font-size:.85rem;font-weight:500;color:var(--text)}.fab-overlay{position:fixed;inset:0;background:#0000004d;z-index:-1}.sidebar-overlay{position:fixed;inset:0;background:#00000080;opacity:0;visibility:hidden;transition:all .3s ease;z-index:1000}.sidebar-overlay.visible{opacity:1;visibility:visible}.mobile-sidebar{position:fixed;top:0;left:0;width:280px;height:100%;background:var(--card-bg);z-index:1001;transform:translate(-100%);transition:transform .3s ease;display:flex;flex-direction:column;box-shadow:4px 0 30px #0003}.mobile-sidebar.open{transform:translate(0)}.sidebar-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid var(--border-light)}.sidebar-brand{display:flex;align-items:center;gap:12px;font-weight:600;font-size:1.1rem}.sidebar-logo{width:32px;height:32px;border-radius:8px;object-fit:cover}.sidebar-close{background:none;border:none;font-size:1.2rem;cursor:pointer;color:var(--text-secondary);padding:8px}.sidebar-user{display:flex;align-items:center;gap:12px;padding:20px;background:var(--border-light)}.sidebar-avatar{width:50px;height:50px;border-radius:50%;object-fit:cover}.sidebar-user-info{display:flex;flex-direction:column}.sidebar-username{font-weight:600}.sidebar-role{font-size:.8rem;color:var(--text-secondary)}.sidebar-nav{flex:1;padding:16px;display:flex;flex-direction:column;gap:4px}.sidebar-nav-item{display:flex;align-items:center;gap:12px;padding:14px 16px;border:none;background:none;border-radius:12px;cursor:pointer;width:100%;text-align:left;font-size:.95rem;color:var(--text);transition:all .2s ease}.sidebar-nav-item:hover{background:var(--border-light)}.sidebar-nav-item.active{background:var(--primary);color:#fff}.nav-icon{font-size:1.2rem}.sidebar-footer{padding:16px;border-top:1px solid var(--border-light)}.sidebar-logout{display:flex;align-items:center;gap:12px;padding:14px 16px;border:none;background:var(--danger);color:#fff;border-radius:12px;cursor:pointer;width:100%;font-size:.95rem;transition:all .2s ease}.sidebar-logout:hover{opacity:.9}.hamburger-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}.hamburger-line{width:24px;height:2px;background:var(--text);border-radius:2px;transition:all .3s ease}@media(max-width:768px){.hamburger-btn{display:flex}}.accent-color-picker{margin-top:24px}.accent-color-picker h4{margin:0 0 12px;font-size:.9rem;color:var(--text-secondary)}.color-options{display:flex;gap:12px}.color-option{width:40px;height:40px;border-radius:50%;border:3px solid transparent;background:none;padding:0;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;position:relative}.color-option:hover{transform:scale(1.1)}.color-option.selected{border-color:var(--text)}.color-swatch{width:28px;height:28px;border-radius:50%}.color-check{position:absolute;color:#fff;font-size:.8rem;font-weight:700}.color-name{margin:12px 0 0;font-size:.85rem;color:var(--text-secondary)}[data-glass=true] .exam-header,[data-glass=true] .dashboard-header,[data-glass=true] .sidebar,[data-glass=true] .assessment-card,[data-glass=true] .profile-card,[data-glass=true] .calendar-view,[data-glass=true] .performance-graph,[data-glass=true] .activity-feed{background:rgba(var(--card-bg-rgb, 255, 255, 255),.7);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.2)}[data-theme=dark][data-glass=true] .exam-header,[data-theme=dark][data-glass=true] .dashboard-header,[data-theme=dark][data-glass=true] .sidebar,[data-theme=dark][data-glass=true] .assessment-card,[data-theme=dark][data-glass=true] .profile-card,[data-theme=dark][data-glass=true] .calendar-view,[data-theme=dark][data-glass=true] .performance-graph,[data-theme=dark][data-glass=true] .activity-feed{background:#1e1a2eb3;border:1px solid rgba(255,255,255,.1)}.settings-section{background:var(--card-bg);border-radius:16px;padding:24px;margin-top:24px;box-shadow:0 2px 12px var(--card-shadow)}.settings-section h3{margin:0 0 20px;font-size:1.1rem;display:flex;align-items:center;gap:8px}.setting-item{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--border-light)}.setting-item:last-child{border-bottom:none}.setting-info h4{margin:0 0 4px;font-size:.95rem}.setting-info p{margin:0;font-size:.8rem;color:var(--text-secondary)}.toggle-switch{position:relative;width:50px;height:28px}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;inset:0;background:var(--border);border-radius:28px;transition:all .3s ease}.toggle-slider:before{content:"";position:absolute;left:4px;bottom:4px;width:20px;height:20px;background:#fff;border-radius:50%;transition:all .3s ease}.toggle-switch input:checked+.toggle-slider{background:var(--primary)}.toggle-switch input:checked+.toggle-slider:before{transform:translate(22px)}.dashboard-widgets{display:grid;grid-template-columns:2fr 1fr;gap:24px;margin-top:24px}.widget-column{display:flex;flex-direction:column;gap:24px}@media(max-width:1024px){.dashboard-widgets{grid-template-columns:1fr}}.enhanced-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.enhanced-stat-card{background:var(--card-bg);border-radius:16px;padding:24px;box-shadow:0 2px 12px var(--card-shadow);display:flex;align-items:center;gap:16px;transition:all .3s cubic-bezier(.4,0,.2,1);border:1px solid rgba(255,255,255,.05);cursor:pointer}.enhanced-stat-card:hover{transform:translateY(-4px);border-color:var(--accent-color);box-shadow:0 8px 24px #0003}.enhanced-stat-card.tab-active{border-color:var(--accent-color);background:#9b7fd114;box-shadow:inset 0 0 0 1px var(--accent-color)}.stat-icon-wrapper{width:50px;height:50px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.stat-icon-wrapper.primary{background:#9b7fd126}.stat-icon-wrapper.success{background:#10b98126}.stat-icon-wrapper.warning{background:#f59e0b26}.stat-icon-wrapper.danger{background:#ef444426}.enhanced-stat-card.live{background:linear-gradient(135deg,#ef4444,#f87171);color:#fff;border:1px solid rgba(255,255,255,.2)}.enhanced-stat-card.live.tab-active{border-color:#fff;box-shadow:inset 0 0 0 2px #ffffff4d}.enhanced-stat-card.live .stat-label{color:#ffffffe6}.enhanced-stat-card.live .stat-icon-wrapper{background:#fff3;color:#fff}.stat-info{flex:1}.stat-info .stat-number{display:block;font-size:1.8rem;font-weight:700;line-height:1}.stat-info .stat-label{font-size:.85rem;color:var(--text-secondary);margin-top:4px}.stat-icon-wrapper.star{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#fff}.stat-subject-name{display:block;font-size:1.4rem;font-weight:700;line-height:1.2;color:var(--text)}.enhanced-stat-card.tab-active{border:2px solid var(--primary);box-shadow:0 4px 20px #9b7fd14d}.enhanced-stat-card.live.tab-active{border:2px solid rgba(255,255,255,.5);box-shadow:0 4px 20px #ef444480}.empty-state{background:var(--card-bg);border-radius:16px;padding:60px 24px;text-align:center;box-shadow:0 2px 12px var(--card-shadow);margin-top:24px}.empty-state p{margin:0;font-size:1.1rem;color:var(--text-secondary)}@media(max-width:1024px){.enhanced-stats-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.enhanced-stats-grid,.skeleton-stats-grid{grid-template-columns:1fr}}.rules-page{min-height:100vh;background:var(--bg);padding-bottom:40px}.rules-container{max-width:1000px;margin:0 auto;padding:24px}.test-info-card{background:var(--card-bg);border-radius:16px;padding:24px 32px;margin-bottom:24px;box-shadow:0 4px 20px var(--card-shadow)}.test-info-card h2{margin:0 0 12px;font-size:1.5rem;color:var(--text)}.rules-split-layout{display:grid;grid-template-columns:1fr 280px;gap:24px}.rules-left-panel{display:flex;flex-direction:column;gap:20px}.rules-card{background:var(--card-bg);border-radius:16px;padding:24px 32px;box-shadow:0 4px 20px var(--card-shadow)}.rules-card h3{margin:0 0 20px;font-size:1.2rem;color:var(--text)}.rules-list{display:flex;flex-direction:column;gap:12px}.rule-item{display:flex;gap:16px;align-items:flex-start;padding:12px 16px;background:var(--option-bg);border-radius:12px}.rule-number{width:28px;height:28px;min-width:28px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700}.rule-item p{margin:0;font-size:.95rem;color:var(--text);line-height:1.5}.agreement-section{background:var(--card-bg);border-radius:16px;padding:20px 24px;box-shadow:0 4px 20px var(--card-shadow);border:2px solid transparent;transition:border-color .2s ease}.agreement-section.error{border-color:var(--danger)}.agreement-checkbox{display:flex;gap:12px;align-items:flex-start;cursor:pointer;position:relative}.agreement-checkbox input{width:20px;height:20px;min-width:20px;cursor:pointer;accent-color:var(--primary)}.agreement-text{font-size:.9rem;color:var(--text);line-height:1.5}.error-message{margin:12px 0 0;color:var(--danger);font-size:.85rem}.rules-right-panel{position:sticky;top:24px;align-self:start}.action-card{background:var(--card-bg);border-radius:16px;padding:24px;text-align:center;box-shadow:0 4px 20px var(--card-shadow)}.action-card-full{background:var(--card-bg);border-radius:16px;padding:24px 32px;margin-top:20px;box-shadow:0 4px 20px var(--card-shadow);display:flex;align-items:center;gap:24px}.action-card-full .action-icon{width:60px;height:60px;min-width:60px;background:linear-gradient(135deg,var(--primary),#8b5cf6);border-radius:16px;display:flex;align-items:center;justify-content:center;color:#fff}.action-card-full .action-content{flex:1}.action-card-full .action-content h3{margin:0 0 4px;font-size:1.1rem;color:var(--text)}.action-card-full .action-content p{margin:0;font-size:.9rem;color:var(--text-secondary)}.action-buttons-horizontal{display:flex;gap:12px}.action-icon{font-size:2.5rem;margin-bottom:12px}.action-icon-box{width:60px;height:60px;background:linear-gradient(135deg,var(--primary),#8b5cf6);border-radius:16px;display:flex;align-items:center;justify-content:center;color:#fff;margin:0 auto 16px}.action-card h3{margin:0 0 8px;font-size:1.1rem;color:var(--text)}.action-card p{margin:0 0 20px;font-size:.85rem;color:var(--text-secondary);line-height:1.5}.action-buttons{display:flex;flex-direction:column;gap:10px}.btn-start-test{padding:14px 24px;background:var(--success);color:#fff;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-start-test:hover:not(:disabled){opacity:.9;transform:translateY(-2px)}.btn-start-test:disabled{opacity:.5;cursor:not-allowed}.btn-go-back{padding:12px 24px;background:var(--option-bg);color:var(--text);border:2px solid var(--border);border-radius:10px;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s ease}.btn-go-back:hover{background:var(--border-light)}.btn-back{background:var(--option-bg);color:var(--text);border:none;padding:10px 16px;border-radius:8px;font-size:.9rem;cursor:pointer;transition:all .2s ease}.btn-back:hover{background:var(--border-light)}.header-nav{display:flex;align-items:center;gap:24px}.header-nav h1{margin:0;font-size:1.3rem}.tests-list-page{display:flex;flex-direction:column;gap:32px}.tabs-container{display:flex;gap:12px;background:var(--card-bg);padding:8px;border-radius:12px;border:1px solid var(--border);width:fit-content}.tab-btn{display:flex;align-items:center;gap:10px;padding:10px 20px;border-radius:8px;border:none;background:transparent;color:var(--text-secondary);font-weight:600;cursor:pointer;transition:all .2s ease}.tab-btn:hover{background:var(--bg)}.tab-btn.active{background:var(--primary);color:#fff}.count-badge{background:#fff3;padding:2px 8px;border-radius:20px;font-size:.8rem}.tab-btn:not(.active) .count-badge{background:var(--bg);color:var(--text-secondary)}.tests-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:24px}.test-card-simple{background:var(--card-bg);padding:24px;border-radius:16px;border:1px solid var(--border);display:flex;align-items:center;gap:20px;transition:all .3s ease}.test-card-simple:hover{transform:translateY(-4px);box-shadow:0 8px 24px var(--card-shadow);border-color:var(--primary-light)}.test-card-icon{width:60px;height:60px;background:var(--primary-light);border-radius:12px;display:flex;align-items:center;justify-content:center}.test-card-info{flex:1}.test-card-info h3{margin:0 0 4px;font-size:1.1rem}.test-card-info p{margin:0;color:var(--text-secondary);font-size:.9rem}.btn-take-test{padding:10px 20px;background:var(--success);color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-take-test:hover{filter:brightness(1.1);transform:scale(1.05)}.result-badge{display:flex;flex-direction:column;align-items:flex-end}.result-badge .score{font-size:1.2rem;font-weight:700;color:var(--primary)}.result-badge .date{font-size:.8rem;color:var(--text-secondary)}.empty-state{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 0;color:var(--text-muted)}@media(max-width:900px){.rules-split-layout{grid-template-columns:1fr}.rules-right-panel{position:static}}@media(max-width:600px){.rules-container{padding:16px}.test-info-card,.rules-card{padding:20px}.rule-item{padding:12px}}.analytics-insights-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;margin-bottom:32px}.insight-card,.attention-card{background:var(--card-bg);border-radius:16px;padding:24px;border:1px solid var(--border-light);box-shadow:0 4px 12px var(--card-shadow);transition:all .3s ease}.insight-card:hover,.attention-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px var(--card-shadow)}.card-header{display:flex;align-items:center;gap:12px;margin-bottom:20px}.dot-indicator{width:10px;height:10px;background:var(--primary);border-radius:50%;display:inline-block}.empty-insight-placeholder,.empty-attention-placeholder{height:120px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:.95rem;font-style:italic;background:#9b7fd10d;border-radius:12px;border:1px dashed var(--border)}.attention-section{margin-bottom:32px}.recent-activity-full{background:var(--card-bg);border-radius:16px;padding:24px;border:1px solid var(--border-light)}.stat-card,.test-card-simple,.performance-graph{border:1px solid var(--border-light);box-shadow:0 4px 12px var(--card-shadow)}.test-card-simple:hover{border-color:var(--primary-light)}.fullscreen-modal{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.fullscreen-content{background:var(--card-bg);padding:40px;border-radius:20px;width:90%;max-width:800px;max-height:90vh;overflow-y:auto;box-shadow:0 25px 50px -12px #00000080;border:1px solid var(--border)}