@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap";:root{--btn-action-assign-bg: #EEF2FF;--btn-action-assign-text: #4F46E5;--btn-action-assign-border: #C7D2FE;--btn-action-review-bg: #ECFDF5;--btn-action-review-text: #059669;--btn-action-review-border: #A7F3D0;--btn-action-print-bg: #F5F3FF;--btn-action-print-text: #7C3AED;--btn-action-print-border: #DDD6FE;--btn-action-key-bg: #FFF7ED;--btn-action-key-text: #EA580C;--btn-action-key-border: #FED7AA;--btn-action-report-bg:#EFF6FF;--btn-action-report-text:#2563EB;--btn-action-report-border: #BFDBFE;--btn-action-sheet-bg: #FDF2F8;--btn-action-sheet-text: #DB2777;--btn-action-sheet-border: #FBCFE8;--brand-hue: 221;--brand-saturation: 83%;--brand-lightness: 47%;--brand-rgb-components: 37, 99, 235;color-scheme:light;--font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-family-monospace: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;--font-size-root: 16px;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-md: 1.125rem;--font-size-lg: 1.25rem;--font-size-xl: 1.5rem;--font-size-2xl: 1.875rem;--line-height-tight: 1.25;--line-height-snug: 1.375;--line-height-normal: 1.5;--line-height-relaxed: 1.625;--spacing-unit: 1rem;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--border-radius: .5rem;--border-radius-sm: .375rem;--border-radius-md: .5rem;--border-radius-lg: .75rem;--border-radius-xl: 1rem;--border-radius-pill: 9999px;--border-radius-round: 50%;--box-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, .05);--box-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .07), 0 1px 2px -1px rgba(0, 0, 0, .04);--box-shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--box-shadow-md: 0 6px 10px -2px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-inner: inset 0 1px 2px rgba(0,0,0,.05);--transition: all .2s ease-in-out;--sidebar-width-collapsed: 60px;--exam-header-height: 56px;--animation-ellipsis-duration: 1.4s;--accent-color: hsl(var(--brand-hue), var(--brand-saturation), var(--brand-lightness));--accent-color-hover: hsl(var(--brand-hue), var(--brand-saturation), calc(var(--brand-lightness) - 5%));--accent-color-light: rgba(var(--brand-rgb-components), .1);--accent-color-rgb: var(--brand-rgb-components);--text-primary: #111827;--text-secondary: #4B5563;--text-tertiary: #6B7280;--text-placeholder: #9CA3AF;--text-accent: hsl(var(--brand-hue), var(--brand-saturation), 40%);--text-on-accent: hsl(var(--brand-hue), 20%, 98%);--text-on-primary-button: var(--text-on-accent);--text-subject-header: var(--text-accent);--text-primary-rgb: 17, 24, 39;--background-primary: #F9FAFB;--background-secondary: #FFFFFF;--background-tertiary: #F3F4F6;--background-hover: hsl(var(--brand-hue), 25%, 95%);--background-accent: var(--accent-color-light);--background-overlay: rgba(30, 41, 59, .5);--background-elevation-1: var(--background-secondary);--card-bg: var(--background-secondary);--border-primary: #E5E7EB;--border-secondary: #D1D5DB;--border-light: var(--border-primary);--border-accent: rgba(var(--brand-rgb-components), .3);--border-question: var(--border-accent);--border-primary-rgb: 229, 231, 235;--purple-accent-base: #7C3AED;--purple-accent-rgb: 124, 58, 237;--purple-accent-light: rgba(124, 58, 237, .15);--purple-accent-dark: #6D28D9;--text-on-purple-accent: #FFFFFF;--input-bg: var(--background-secondary);--input-text: var(--text-primary);--input-border: var(--border-secondary);--input-focus-border: var(--accent-color);--input-focus-shadow: 0 0 0 3px rgba(var(--brand-rgb-components), .25);--datetime-picker-indicator-invert: 1;--form-select-arrow-light: url(data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%234B5563%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E);--button-primary-bg: var(--accent-color);--button-primary-hover-bg: var(--accent-color-hover);--button-secondary-bg: #E5E7EB;--button-secondary-hover-bg: #D1D5DB;--button-secondary-text: #1F2937;--button-outline-secondary-text: var(--text-secondary);--button-outline-secondary-border: var(--border-secondary);--button-outline-secondary-hover-bg: var(--background-tertiary);--button-outline-secondary-hover-text: var(--text-primary);--button-outline-secondary-hover-border: var(--border-primary);--button-secondary-accent-bg: var(--accent-color-light);--button-secondary-accent-hover-bg: rgba(var(--brand-rgb-components), .15);--button-secondary-accent-text: var(--text-accent);--button-secondary-accent-border: var(--border-accent);--button-danger-bg: #EF4444;--button-danger-hover-bg: #DC2626;--button-warning-bg: #F59E0B;--button-warning-hover-bg: #D97706;--text-on-warning: #1E293B;--button-success-bg: #10B981;--button-success-hover-bg: #059669;--button-info-bg: var(--accent-color);--button-info-hover-bg: var(--accent-color-hover);--text-on-info-button: var(--text-on-accent);--button-disabled-bg: #9CA3AF;--button-disabled-border: #9CA3AF;--button-disabled-opacity: .6;--button-disabled-text: #FFFFFF;--success-color: #16A34A;--success-bg: #DCFCE7;--success-border: #BBF7D0;--danger-color: #DC2626;--danger-bg: #FEE2E2;--danger-border: #FECACA;--warning-color: #F59E0B;--warning-bg: #FEF3C7;--warning-border: #FDE68A;--info-color: var(--accent-color);--info-bg: var(--accent-color-light);--info-border: var(--border-accent);--scrollbar-thumb: #CBD5E1;--scrollbar-track: #F3F4F6;--scrollbar-thumb-hover: #9CA3AF;--color-coin: #FBBF24;--color-pyq: #2DD4BF;--color-pyq-bg: rgba(45, 212, 191, .1);--color-practice: #A855F7;--color-practice-bg: rgba(168, 85, 247, .1);--color-exam: #EC4899;--color-exam-bg: rgba(236, 72, 153, .1);--color-time: var(--color-exam, #EC4899);--color-dpp: #F472B6;--color-dpp-bg: rgba(244, 114, 182, .1);--color-assignments: #60A5FA;--color-assignments-bg: rgba(96,165,250,.1);--color-ai-tutor: var(--accent-color);--color-ai-tutor-bg: var(--accent-color-light);--chart-color-1: var(--accent-color);--chart-color-2: var(--purple-accent-base);--chart-color-3: var(--success-color);--chart-color-4: var(--warning-color);--chart-color-5: #0EA5E9;--chart-color-6: var(--danger-color);--timer-bg: rgba(var(--brand-rgb-components), .08);--timer-border-color: rgba(var(--brand-rgb-components), .7);--timer-text-color: var(--text-primary);--item-bg-color-raw-blue: 59, 130, 246;--item-bg-color-raw-green: 22, 163, 74;--item-bg-color-raw-yellow: 245, 158, 11;--content-padding-x-desktop: var(--spacing-xl);--content-padding-x-mobile: var(--spacing-md);--view-footer-max-width: 900px;--summary-color-1: #3B82F6;--summary-color-2: #10B981;--summary-color-3: #F59E0B;--summary-color-4: #EF4444;--mock-color: #3B82F6;--live-color: #EF4444;--full-length-color: #F59E0B;--pyq-color: #10B981;--sectional-color: #8B5CF6;--general-badge-color: #6B7280;--text-on-badge: #FFFFFF;--btn-reattempt-bg: var(--background-secondary);--btn-reattempt-text: var(--text-accent);--btn-reattempt-border: var(--text-accent);--palette-bg: var(--background-secondary);--palette-text-primary: var(--text-primary);--palette-text-secondary: var(--text-secondary);--palette-border-color: var(--border-primary);--palette-green-answered-bg: var(--success-bg);--palette-green-answered-border: var(--success-color);--palette-green-answered-text: var(--success-color);--palette-green-answered-hover-bg: rgba(22, 163, 74, .2);--palette-red-not-answered-bg: var(--danger-bg);--palette-red-not-answered-border: var(--danger-color);--palette-red-not-answered-text: var(--danger-color);--palette-red-not-answered-hover-bg: rgba(220, 38, 38, .2);--palette-gray-not-visited-bg: var(--background-tertiary);--palette-gray-not-visited-border: var(--border-secondary);--palette-gray-not-visited-text: var(--text-secondary);--palette-gray-not-visited-hover-bg: var(--background-hover);--palette-blue-current-bg: var(--accent-color);--palette-blue-current-border: var(--accent-color);--palette-blue-current-text: var(--text-on-accent);--palette-blue-current-hover-bg: var(--accent-color-hover);--palette-blue-current-hover-border: var(--accent-color-hover);--palette-purple-marked-bg: var(--purple-accent-base);--palette-purple-marked-border: var(--purple-accent-base);--palette-purple-marked-text: var(--text-on-purple-accent);--palette-purple-marked-hover-bg: var(--purple-accent-dark);--palette-purple-marked-hover-border: var(--purple-accent-dark);--section-color-1: #007AFF;--section-color-2: #34C759;--section-color-3: #FF9500;--section-color-4: #FF3B30;--section-color-5: #AF52DE;--section-color-6: #FF6B22;--section-color-7: #5AC8FA;--section-tab-active-text: #ffffff;--section-tab-hover-opacity: .85;--modal-backdrop-bg: rgba(0, 0, 0, .65);--modal-content-bg: var(--background-secondary);--modal-text: var(--text-primary);--modal-border-color: var(--border-light);--modal-header-border: var(--border-light);--modal-title-text: var(--text-primary);--modal-close-button-color: var(--text-secondary);--modal-close-button-hover-color: var(--accent-color);--modal-body-text: var(--text-secondary);--modal-list-item-border: rgba(var(--border-primary-rgb), .3);--modal-list-item-hover-bg: var(--background-hover);--modal-list-item-label-text: var(--text-primary);--modal-list-item-label-span-text: var(--text-tertiary);--modal-footer-border: var(--border-light);--sparkle-light-color: #ffffff;--sparkle-accent-color: #fef08a;--sidebar-bg: var(--background-secondary);--sidebar-width: 280px;--sidebar-item-hover: var(--background-tertiary);--sidebar-item-active-bg: var(--accent-color-light);--sidebar-item-active-text: var(--accent-color);--sidebar-icon-size: 1.25rem;--avatar-bg: var(--accent-color);--avatar-text: #ffffff;--premium-gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);--premium-text: #ffffff;--context-badge-bg: #e5e7eb;--context-badge-text: #4b5563;--context-badge-border: #d1d5db;--difficulty-easy-bg: #def7ec;--difficulty-easy-text: #059669;--difficulty-medium-bg: #fef3c7;--difficulty-medium-text: #d97706;--difficulty-hard-bg: #fee2e2;--difficulty-hard-text: #dc2626;--timer-icon-color: #4b5563;--timer-bg-light: #f3f4f6;--option-selected-border-color: var(--accent-color);--topic-badge-bg: #e0e7ff;--topic-badge-text: #4338ca}:root.dark-mode{color-scheme:dark;--btn-action-assign-bg: rgba(79, 70, 229, .15);--btn-action-assign-text: #818CF8;--btn-action-assign-border: #4338CA;--btn-action-review-bg: rgba(5, 150, 105, .15);--btn-action-review-text: #34D399;--btn-action-review-border: #065F46;--btn-action-print-bg: rgba(124, 58, 237, .15);--btn-action-print-text: #A78BFA;--btn-action-print-border: #5B21B6;--btn-action-key-bg: rgba(234, 88, 12, .15);--btn-action-key-text: #FB923C;--btn-action-key-border: #9A3412;--btn-action-report-bg: rgba(37, 99, 235, .15);--btn-action-report-text:#60A5FA;--btn-action-report-border: #1E40AF;--btn-action-sheet-bg: rgba(219, 39, 119, .15);--btn-action-sheet-text: #F472B6;--btn-action-sheet-border: #831843;--accent-color: hsl(var(--brand-hue), var(--brand-saturation), 65%);--accent-color-hover: hsl(var(--brand-hue), var(--brand-saturation), 70%);--accent-color-light: rgba(var(--brand-rgb-components), .2);--text-primary: #FFFFFF;--text-secondary: #CBD5E1;--text-tertiary: #94A3B8;--text-accent: var(--accent-color);--text-on-accent: hsl(var(--brand-hue), 30%, 10%);--background-primary: #0B0F19;--background-secondary: #1E293B;--background-tertiary: #334155;--background-hover: hsl(var(--brand-hue), 15%, 25%);--border-primary: #334155;--border-secondary: #4B5563;--border-accent: rgba(var(--brand-rgb-components), .3);--purple-accent-base: #A78BFA;--purple-accent-light: rgba(167, 139, 250, .2);--purple-accent-dark: #8B5CF6;--text-on-purple-accent: #111827;--background-accent: var(--accent-color-light);--background-elevation-1: #2c3747;--text-primary-rgb: 243, 244, 246;--text-placeholder: #6B7280;--text-subject-header: var(--text-accent);--text-on-primary-button: var(--text-on-accent);--border-light: var(--border-primary);--border-question: var(--border-accent);--border-primary-rgb: 55, 65, 81;--input-bg: var(--background-tertiary);--input-focus-shadow: 0 0 0 3px rgba(var(--brand-rgb-components), .3);--form-select-arrow-light: url(data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%239CA3AF%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E);--button-primary-bg: var(--accent-color);--button-primary-hover-bg: var(--accent-color-hover);--button-secondary-bg: #374151;--button-secondary-hover-bg: #4B5563;--button-secondary-text: #F3F4F6;--button-secondary-accent-bg: var(--accent-color-light);--button-secondary-accent-hover-bg: rgba(var(--brand-rgb-components), .25);--button-secondary-accent-text: var(--text-accent);--button-secondary-accent-border: var(--border-accent);--button-danger-hover-bg: #F87171;--button-success-hover-bg: #34D399;--button-info-bg: var(--accent-color);--button-info-hover-bg: var(--accent-color-hover);--button-disabled-bg: #4B5563;--button-disabled-border: #4B5563;--button-disabled-text: #9CA3AF;--success-color: #4ADE80;--success-bg: rgba(74, 222, 128, .15);--success-border: #22C55E;--danger-color: #F87171;--danger-bg: rgba(248, 113, 113, .15);--danger-border: #EF4444;--warning-color: #FACC15;--warning-bg: rgba(250, 204, 21, .15);--warning-border: #F59E0B;--info-color: var(--accent-color);--info-bg: var(--accent-color-light);--info-border: #3B82F6;--box-shadow: 0 4px 6px -1px rgba(0,0,0,.5), 0 2px 4px -1px rgba(0,0,0,.4);--box-shadow-md: 0 6px 10px -2px rgba(0,0,0,.5), 0 4px 6px -2px rgba(0,0,0,.4);--scrollbar-thumb: #4B5563;--scrollbar-track: #1F2937;--scrollbar-thumb-hover: #6B7280;--modal-backdrop-bg: rgba(0, 0, 0, .85);--modal-list-item-border: rgba(var(--border-primary-rgb), .3);--sparkle-light-color: #4B5563;--sparkle-accent-color: #a4800c;--context-badge-bg: #374151;--context-badge-text: #d1d5db;--context-badge-border: #4b5563;--difficulty-easy-bg: #064e3b;--difficulty-easy-text: #6ee7b7;--difficulty-medium-bg: #713f12;--difficulty-medium-text: #fcd34d;--difficulty-hard-bg: #991b1b;--difficulty-hard-text: #fca5a5;--timer-icon-color: #9ca3af;--timer-bg-light: #374151;--option-selected-border-color: var(--accent-color);--topic-badge-bg: #3730a3;--topic-badge-text: #c7d2fe}@media (max-width: 768px){:root{--font-size-root: 15px}}@media (max-width: 480px){:root{--font-size-root: 14.5px}}@keyframes animated-ellipsis-frames{0%{content:"."}33%{content:".."}66%,to{content:"..."}}.animated-ellipsis:after{display:inline-block;text-align:left;width:1.25em;content:".";animation:animated-ellipsis-frames 1.4s infinite;color:var(--text-secondary);vertical-align:bottom}:root{--button-action-assign-bg: #eef2ff;--button-action-assign-border: #c7d2fe;--button-action-assign-text: #4338ca;--button-action-review-bg: #f0fdfa;--button-action-review-border: #99f6e4;--button-action-review-text: #0f766e;--button-action-print-bg: #f5f3ff;--button-action-print-border: #ddd6fe;--button-action-print-text: #6d28d9;--button-action-sheet-bg: #fdf2f8;--button-action-sheet-border: #fbcfe8;--button-action-sheet-text: #be185d;--button-action-report-bg: #fff7ed;--button-action-report-border: #fed7aa;--button-action-report-text: #9a3412}.dark-mode{--button-action-assign-bg: #3730a3;--button-action-assign-border: #4f46e5;--button-action-assign-text: #e0e7ff;--button-action-review-bg: #115e59;--button-action-review-border: #14b8a6;--button-action-review-text: #ccfbf1;--button-action-print-bg: #5b21b6;--button-action-print-border: #7c3aed;--button-action-print-text: #ede9fe;--button-action-sheet-bg: #9d174d;--button-action-sheet-border: #db2777;--button-action-sheet-text: #fce7f3;--button-action-report-bg: #7c2d12;--button-action-report-border: #f97316;--button-action-report-text: #ffedd5}html{box-sizing:border-box;font-size:var(--font-size-root, 16px);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;color-scheme:light;touch-action:pan-x pan-y;overscroll-behavior-y:none}html.dark-mode{color-scheme:dark}body{font-family:var(--font-family-sans);margin:0;background-color:var(--background-primary);color:var(--text-primary);font-size:var(--font-size-base);line-height:var(--line-height-normal, 1.6);transition:background-color .2s ease-in-out,color .2s ease-in-out;overflow-x:hidden;overscroll-behavior-y:none;-webkit-touch-callout:none}h1,h2,h3,h4,h5,h6{color:var(--text-primary);margin:0 0 1rem;font-weight:600;line-height:var(--line-height-tight, 1.3)}h1{font-size:var(--font-size-xl, 1.75rem)}h2{font-size:var(--font-size-lg, 1.375rem)}h3{font-size:var(--font-size-md, 1.125rem)}h4{font-size:var(--font-size-base, 1rem)}h5{font-size:var(--font-size-sm, .9rem)}p{margin:0 0 1rem;font-size:var(--font-size-base);font-weight:inherit}a{color:var(--text-accent);text-decoration:none;transition:var(--transition);font-size:inherit}a:hover{text-decoration:underline}ul,ol{padding-left:0;list-style:none;margin:0}li{margin-bottom:0}canvas{max-width:100%;max-height:100%}.text-center{text-align:center}.mb-1{margin-bottom:var(--spacing-xs)}.mb-2{margin-bottom:var(--spacing-sm)}.mb-3{margin-bottom:var(--spacing-md)}.mt-1{margin-top:var(--spacing-xs)}.mt-2{margin-top:var(--spacing-sm)}.mt-3{margin-top:var(--spacing-md)}.ms-2{margin-left:var(--spacing-sm)}.mx-2{margin-left:var(--spacing-sm);margin-right:var(--spacing-sm)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}button{font-family:inherit;cursor:pointer;background:none;border:none;padding:0;color:inherit;font-size:inherit}.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:500;text-align:center;cursor:pointer;border:1px solid transparent;padding:.75rem 1.5rem;font-size:var(--font-size-sm, .9rem);line-height:var(--line-height-normal, 1.5);border-radius:var(--border-radius-md);transition:var(--transition);white-space:nowrap}.btn:disabled{background-color:var(--button-disabled-bg)!important;border-color:var(--button-disabled-border)!important;color:var(--button-disabled-text)!important;opacity:var(--button-disabled-opacity)!important;cursor:not-allowed!important;transform:none!important;box-shadow:none!important}.btn-primary{background-color:var(--button-primary-bg);color:var(--text-on-primary-button);border-color:var(--button-primary-bg)}.btn-primary:hover:not(:disabled){background-color:var(--button-primary-hover-bg);border-color:var(--button-primary-hover-bg);transform:translateY(-1px);box-shadow:var(--box-shadow)}.btn-secondary{background-color:var(--button-secondary-bg);color:var(--button-secondary-text);border:1px solid 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.pm-feat-note.unlimited{color:var(--success-color-light, #86efac)}.pm-cta-wrapper{margin-top:auto;padding-top:1rem}.pm-cta-btn{width:100%;padding:.65rem 1rem;border-radius:10px;font-size:.85rem;font-weight:700;cursor:pointer;transition:all .25s;border:2px solid 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(max-width: 768px){.modal-content-box.assign-assessment-modal-content{max-width:95%;max-height:90vh}.assign-assessment-modal-content .modal-body{padding:var(--spacing-md, 16px)}.assign-assessment-modal-content .modal-footer{flex-direction:column-reverse;padding:var(--spacing-md, 16px)}.assign-assessment-modal-content .modal-footer .btn{width:100%}}.access-window-grid{display:grid;grid-template-columns:1fr;gap:1rem;margin-top:1rem}@media (min-width: 576px){.access-window-grid{grid-template-columns:1fr 1fr}}.spinner-overlay{position:fixed;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;justify-content:center;align-items:center;background-color:var(--background-primary, rgba(255, 255, 255, .9));backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:10000;animation:fadeIn .4s ease-out}.dark-mode .spinner-overlay{background-color:var(--background-primary, rgba(15, 23, 42, 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.page-number.active{background-color:var(--accent-color);border-color:var(--accent-color);color:var(--text-on-accent);font-weight:700}.ellipsis{padding:0 .5rem;color:var(--text-tertiary);-webkit-user-select:none;user-select:none}.pagination-goto{display:flex;align-items:center;gap:.75rem}.pagination-goto label{font-weight:500}.goto-input{width:70px;height:36px;text-align:center;border-radius:var(--border-radius-sm);border:1px solid var(--border-secondary);background-color:var(--input-bg);color:var(--input-text);font-size:var(--font-size-base)}.goto-input:focus{outline:none;border-color:var(--accent-color);box-shadow:var(--input-focus-shadow)}@media (max-width: 768px){.pagination-text{display:none}.admin-pagination-footer .btn-icon{padding:0 .2rem;min-width:24px;height:24px;font-size:.8rem}.pagination-controls{gap:.25rem}}.batch-manager-container{display:flex;flex-direction:column;gap:var(--spacing-md)}.batch-manager-container .admin-form-group{margin:0}.batch-manager-container 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.admin-page-header{align-items:center}.user-profile-title{display:flex;align-items:center;gap:1rem}.user-profile-avatar{width:60px;height:60px;flex-shrink:0;border-radius:50%;background-color:var(--accent-color);color:var(--text-on-accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.75rem;text-transform:uppercase}.user-profile-title .admin-page-title{margin-bottom:0}.user-profile-title .admin-page-intro{font-family:var(--font-family-monospace);font-size:var(--font-size-sm);color:var(--text-tertiary);margin:0}.profile-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:var(--spacing-lg);align-items:start;margin-top:1.5rem}.admin-card-header.with-action{display:flex;justify-content:space-between;align-items:center}.admin-card-header h3{margin:0;display:flex;align-items:center;gap:.75rem}.details-list{display:flex;flex-direction:column;gap:1.25rem;list-style-type:none;padding:0;margin:0}.details-list li{display:flex;align-items:center;gap:1rem;font-size:var(--font-size-base)}.details-list li svg{color:var(--text-tertiary);width:20px;height:20px;flex-shrink:0}.details-list li strong{color:var(--text-secondary);min-width:100px}.details-list li span{color:var(--text-primary);font-weight:500}.details-list li.highlight-item{background-color:var(--background-primary);padding:.75rem 1rem;border-radius:var(--border-radius-md)}.details-list li.highlight-item span:not(.role-badge):not(.status-badge){font-weight:600}.permissions-display-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.permission-column-display h4{font-size:.9rem;font-weight:600;color:var(--text-color-light);margin-top:0;margin-bottom:.75rem;border-bottom:1px solid var(--border-color);padding-bottom:.5rem}.permission-list{list-style-type:none;padding:0;margin:0;max-height:200px;overflow-y:auto}.permission-list-item{font-size:.9rem;padding:.3rem 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#64748b);font-size:.9rem}.analytics-filter-bar{display:flex;gap:16px;align-items:center;flex-wrap:wrap;padding:14px 20px;background:#fff;border:1px solid var(--border-color, #e2e8f0);border-radius:14px;margin-bottom:20px;box-shadow:0 1px 3px #0000000a}.filter-group{display:flex;align-items:center;gap:8px}.filter-group label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary, #64748b);white-space:nowrap}.filter-group select{padding:6px 12px;border:1px solid var(--border-color, #e2e8f0);border-radius:8px;font-size:.85rem;background:var(--bg-secondary, #f8fafc);color:var(--text-primary, #1e293b);cursor:pointer;transition:border-color .2s;min-width:130px}.filter-group select:focus{outline:none;border-color:var(--primary-color, #3b82f6);box-shadow:0 0 0 3px #3b82f61a}.filter-reset-btn{padding:6px 16px;border:1px solid #e2e8f0;border-radius:8px;background:transparent;color:var(--text-secondary, #64748b);font-size:.8rem;cursor:pointer;transition:all .15s;margin-left:auto}.filter-reset-btn:hover{background:#fef2f2;color:#dc2626;border-color:#fca5a5}.analytics-tabs{display:flex;gap:10px;margin-bottom:24px;overflow-x:auto;padding-bottom:4px}.analytics-tab{padding:8px 18px;border-radius:10px;border:1px solid var(--border-color, #e2e8f0);background:#fff;color:var(--text-secondary, #64748b);font-weight:600;font-size:.85rem;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);white-space:nowrap;display:flex;align-items:center;gap:6px}.analytics-tab:hover{background:#f1f5f9;color:var(--text-primary, #1e293b)}.analytics-tab.active{background:var(--primary-color, #3b82f6);color:#fff;border-color:var(--primary-color, #3b82f6);box-shadow:0 4px 12px #3b82f64d}.ai-analytics-container .kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:28px}.ai-analytics-container .kpi-card{background:#fff;padding:20px;border-radius:14px;border:1px solid var(--border-color, #e2e8f0);box-shadow:0 1px 3px #0000000f;transition:transform .2s ease,box-shadow .2s ease}.ai-analytics-container .kpi-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000014}.kpi-label{font-size:.8rem;color:var(--text-secondary, #64748b);margin-bottom:8px;display:flex;align-items:center;gap:6px}.kpi-value{font-size:1.6rem;font-weight:700;color:var(--text-primary, #1e293b)}.charts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:20px;margin-bottom:28px}.chart-card{background:#fff;padding:22px;border-radius:14px;border:1px solid var(--border-color, #e2e8f0)}.chart-card h3{font-size:1rem;font-weight:600;color:var(--text-primary, #1e293b);margin-bottom:16px}.logs-table-wrapper{background:#fff;border-radius:14px;border:1px solid var(--border-color, #e2e8f0);overflow-x:auto;margin-bottom:24px}.logs-table{width:100%;border-collapse:collapse;min-width:600px}.logs-table th{background:#f8fafc;padding:10px 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ease}.heatmap-cell:hover{transform:scale(1.2);z-index:10}.analytics-view-content{animation:fadeIn .3s ease-out}.spinning{animation:spin 2s linear infinite}@media (max-width: 768px){.ai-analytics-container{padding:16px}.analytics-filter-bar{flex-direction:column;align-items:stretch;gap:10px}.filter-group{flex-wrap:wrap}.filter-group select{width:100%}.filter-reset-btn{margin-left:0}.charts-grid{grid-template-columns:1fr}.kpi-grid{grid-template-columns:repeat(2,1fr)}}.admin-feature-flags{padding:1.25rem;max-width:880px}.aff-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1.25rem}.aff-header h2{margin:0 0 .25rem;color:var(--text-primary)}.aff-subtitle{margin:0;color:var(--text-secondary);font-size:.9rem}.aff-error{display:flex;align-items:center;gap:.5rem;background:var(--danger-bg, #fee2e2);color:var(--danger-text, #991b1b);padding:.65rem .85rem;border-radius:8px;margin-bottom:1rem}.aff-group{background:var(--background-secondary);border:1px solid var(--border-primary);border-radius:12px;padding:1rem 1.25rem;margin-bottom:1rem}.aff-group-title{margin:0 0 .75rem;text-transform:capitalize;color:var(--text-primary);font-size:.95rem;letter-spacing:.02em}.aff-list{display:flex;flex-direction:column;gap:.5rem}.aff-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem .85rem;background:var(--background-primary);border:1px solid var(--border-primary);border-radius:10px}.aff-row-text{flex:1;min-width:0}.aff-row-label{font-weight:600;color:var(--text-primary)}.aff-row-key{font-family:var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);font-size:.78rem;color:var(--text-secondary);margin-top:2px}.aff-row-desc{font-size:.82rem;color:var(--text-secondary);margin-top:4px}.aff-toggle{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border-primary);background:var(--background-secondary);color:var(--text-secondary);padding:.45rem .85rem;border-radius:999px;cursor:pointer;font-weight:600;font-size:.85rem;min-width:84px;justify-content:center;transition:background .15s ease,color .15s ease,border-color .15s ease}.aff-toggle.on{background:#16a34a;border-color:#16a34a;color:#fff}.aff-toggle.off{background:var(--background-secondary);color:var(--text-secondary)}.aff-toggle:disabled{opacity:.7;cursor:not-allowed}.aff-toggle svg{width:18px;height:18px}.spin{animation:aff-spin .9s linear infinite}@keyframes aff-spin{to{transform:rotate(360deg)}}.ips-container{max-width:760px;margin:0 auto;padding:1.5rem 1rem}.ips-header{margin-bottom:1.25rem}.ips-header h2{font-size:1.4rem;font-weight:700;color:var(--text-primary);margin:0 0 .35rem}.ips-header p{font-size:.875rem;color:var(--text-secondary);margin:0;line-height:1.5}.ips-info-banner{display:flex;align-items:flex-start;gap:.6rem;padding:.75rem 1rem;background:hsla(var(--info-h, 210),80%,50%,.08);border:1px solid hsla(var(--info-h, 210),80%,50%,.25);border-radius:10px;font-size:.82rem;color:var(--text-secondary);margin-bottom:1.25rem;line-height:1.5}.ips-info-banner svg{flex-shrink:0;color:var(--info-color);margin-top:1px;font-size:1rem}.ips-alert{display:flex;align-items:center;gap:.5rem;padding:.7rem 1rem;border-radius:10px;font-size:.875rem;font-weight:500;margin-bottom:1rem}.ips-alert-error{background:hsla(var(--error-h, 0),80%,50%,.08);border:1px solid hsla(var(--error-h, 0),80%,50%,.3);color:var(--error-color, #dc2626)}.ips-alert-success{background:hsla(var(--success-h, 142),70%,45%,.08);border:1px solid hsla(var(--success-h, 142),70%,45%,.3);color:var(--success-color)}.ips-form{display:flex;flex-direction:column;gap:1rem}.ips-plan-card{background:var(--background-secondary);border:1px solid var(--border-primary);border-radius:14px;overflow:hidden}.ips-plan-title{display:flex;align-items:center;gap:.6rem;padding:.75rem 1rem;font-size:.95rem;font-weight:700;color:var(--text-primary);border-bottom:2px solid var(--border-primary);background:var(--background-primary)}.ips-plan-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.ips-fields{display:grid;grid-template-columns:1fr 1fr;gap:1rem;padding:1rem}.ips-field-group{display:flex;flex-direction:column;gap:.4rem}.ips-field-full{grid-column:1 / -1}.ips-field-group label{display:flex;align-items:center;gap:.35rem;font-size:.78rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em}.ips-field-icon{font-size:.85rem}.ips-field-group input{padding:.55rem .75rem;border:1.5px solid var(--border-primary);border-radius:8px;background:var(--background-primary);color:var(--text-primary);font-size:.9rem;transition:border-color .2s;width:100%;box-sizing:border-box}.ips-field-group input:focus{outline:none;border-color:var(--brand-color);box-shadow:0 0 0 3px rgba(var(--brand-rgb-components, 37, 99, 235),.1)}.ips-field-group input::placeholder{color:var(--text-disabled);font-size:.82rem}.ips-url-input-wrapper{display:flex;flex-direction:column;gap:.3rem}.ips-url-hint{display:flex;align-items:center;gap:.3rem;font-size:.72rem;color:var(--text-secondary);font-weight:500}.ips-loading{display:flex;align-items:center;justify-content:center;gap:.75rem;padding:3rem;color:var(--text-secondary);font-size:.95rem}@keyframes ips-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.ips-spinner{animation:ips-spin 1s linear infinite}.ips-sticky-footer{position:sticky;bottom:0;background:var(--background-primary);border-top:1px solid var(--border-primary);padding:.75rem 1rem;display:flex;align-items:center;justify-content:flex-end;gap:1rem;margin:0 -1rem -1.5rem;z-index:10;box-shadow:0 -4px 20px #00000014}.ips-alert-inline{margin:0;flex:1;padding:.4rem .75rem;font-size:.8rem}.ips-save-btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.6rem 1.4rem;background:var(--brand-color, #3b82f6);color:#fff;border:none;border-radius:8px;font-size:.88rem;font-weight:700;cursor:pointer;transition:all .2s;flex-shrink:0;letter-spacing:.01em;box-shadow:0 2px 8px rgba(var(--brand-rgb-components, 59, 130, 246),.35)}.ips-save-btn:hover:not(:disabled){filter:brightness(1.1);box-shadow:0 4px 14px rgba(var(--brand-rgb-components, 59, 130, 246),.45);transform:translateY(-1px)}.ips-save-btn:active:not(:disabled){transform:translateY(0);filter:brightness(.97)}.ips-save-btn:disabled{opacity:.6;cursor:not-allowed;box-shadow:none}@media (max-width: 540px){.ips-fields{grid-template-columns:1fr}.ips-sticky-footer{justify-content:stretch}.ips-save-btn{width:100%}}:root{--doubt-accent: var(--accent-color);--doubt-accent-hover: var(--accent-color-hover);--doubt-bg-primary: var(--background-primary);--doubt-bg-secondary: var(--background-secondary);--doubt-card-bg: var(--background-secondary);--doubt-border: var(--border-primary);--doubt-glass-glow: var(--accent-color-light);--doubt-text-primary: var(--text-primary);--doubt-text-secondary: var(--text-secondary);--doubt-text-tertiary: var(--text-tertiary);--doubt-pending: var(--warning-color);--doubt-resolved: var(--success-color);--doubt-assigned: var(--info-color);--doubt-scheduled: var(--purple-accent-base)}.doubts-dashboard-page{padding:0;flex:1;display:flex;flex-direction:column;overflow:hidden;height:100%;min-height:0}.doubt-create-page{padding:1rem 1.5rem;flex:1;display:flex;flex-direction:column;overflow:hidden}.doubt-chat-page{display:flex;flex-direction:column;height:100%;background:var(--background-secondary);border:1px solid var(--doubt-border);position:relative;overflow:hidden;min-height:0}@media (max-width: 768px){.doubts-dashboard-page,.doubt-create-page{padding:var(--spacing-md);min-height:calc(100vh - 60px)}.doubt-chat-page{height:calc(100vh - 60px);margin:0;border:none;border-radius:0;max-width:100%}}.animate-fadeIn{animation:fadeIn .4s ease-out}.doubts-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;margin-bottom:0;background:var(--background-secondary);border-bottom:1px solid var(--border-primary);flex-shrink:0;gap:var(--spacing-md)}.search-refresh-row{display:flex;align-items:center;gap:.5rem;flex:1}.search-refresh-row .search-bar{flex:1;margin-bottom:0}.btn-refresh-doubts{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;border:1.5px solid var(--border-primary);background:var(--background-primary);color:var(--text-secondary);cursor:pointer;flex-shrink:0;transition:color .2s,background .2s,border-color .2s}.btn-refresh-doubts:hover:not(:disabled){color:var(--doubt-accent, #f59e0b);border-color:var(--doubt-accent, #f59e0b);background:#f59e0b0f}.btn-refresh-doubts:disabled{opacity:.5;cursor:not-allowed}.btn-refresh-doubts.spinning svg{animation:spin-refresh .7s linear infinite}@keyframes spin-refresh{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 640px){.doubts-header{flex-direction:column;align-items:flex-start}.ask-doubt-main-btn{width:100%;justify-content:center}}.doubts-header h1{font-size:1.25rem;font-weight:800;color:var(--doubt-text-primary);margin:0}.doubts-header p{display:none}.ask-doubt-main-btn{display:flex;align-items:center;gap:.75rem;background:var(--text-primary);color:var(--background-primary);padding:.75rem 1.5rem;border-radius:8px;font-weight:800;font-size:.9rem;transition:all .2s;white-space:nowrap;border:none;box-shadow:0 4px 12px #0000001a}.ask-doubt-main-btn:hover{background:var(--doubt-accent);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(var(--brand-rgb-components),.3)}.doubts-stats-container{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-md);margin-bottom:var(--spacing-xl)}.stat-item{background:var(--background-secondary);border:1px solid var(--border-primary);padding:.85rem .4rem;border-radius:var(--border-radius-lg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.25rem;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;box-shadow:var(--box-shadow-sm);min-width:0}.stat-row{display:flex;align-items:center;gap:.5rem}.stat-item:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--accent-color);opacity:.8}.stat-item.pending:before{background:var(--warning-color)}.stat-item.resolved:before{background:var(--success-color)}.stat-item:hover{transform:translateY(-5px);box-shadow:var(--box-shadow-lg);border-color:var(--accent-color)}.stat-count{font-size:1.5rem;font-weight:800;color:var(--doubt-text-primary)}.stat-icon-wrapper{width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.9rem}.stat-icon-wrapper.blue{background:#3b82f61a;color:#3b82f6}.stat-icon-wrapper.orange{background:#f59e0b1a;color:#f59e0b}.stat-icon-wrapper.green{background:#10b9811a;color:#10b981}.stat-name{color:var(--doubt-text-tertiary);font-size:.65rem;text-transform:uppercase;letter-spacing:.5px;margin-top:.1rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%;text-align:center}.stat-item.pending 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var(--border-primary);height:44px;border-radius:var(--border-radius-lg);padding:0 1rem;color:var(--text-primary);font-family:var(--font-family-sans);font-size:.9rem;font-weight:500;transition:var(--transition);width:100%;-moz-appearance:none;appearance:none;-webkit-appearance:none}.schedule-form-v2 .form-control:focus{border-color:var(--accent-color);background:var(--background-secondary);box-shadow:0 0 0 3px rgba(var(--brand-rgb-components),.15);outline:none}.schedule-form-v2 .form-control::placeholder{color:var(--text-placeholder)}.dark-mode .schedule-form-v2 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a{color:var(--accent-color);font-weight:700;text-decoration:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-flex;align-items:center;gap:.35rem;max-width:100%}.current-link a:hover{text-decoration:underline}.mobile-back-btn{display:none}.chat-side-panel{width:40%;min-width:350px;max-width:500px;border-left:1px solid var(--border-primary);background:var(--background-secondary);display:flex;flex-direction:column;height:100%;animation:slideInLeft .3s cubic-bezier(.4,0,.2,1);min-height:0}@keyframes slideInLeft{0%{transform:translate(20px);opacity:0}to{transform:translate(0);opacity:1}}.chat-side-panel .doubt-chat-page{height:100%!important;margin:0!important;border:none!important;border-radius:0!important;box-shadow:none!important;max-width:100%!important}.chat-side-panel .chat-body-v2{background:transparent!important}.chat-side-panel .chat-scroller{padding:1rem!important}.chat-side-panel .original-doubt-post{display:none!important}.chat-side-panel 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2rem;text-align:center;color:var(--text-tertiary);font-weight:600}.empty-state-large{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-tertiary);gap:1.5rem;padding:4rem;text-align:center;background:var(--background-secondary)}.empty-state-large svg{opacity:.2;color:var(--text-primary)}.empty-state-large p{font-size:1.1rem;font-weight:600;max-width:300px;line-height:1.5}.reassign-box{background:var(--background-secondary);border:1px solid var(--border-primary);border-radius:var(--border-radius-lg);padding:1.25rem;margin-bottom:1.5rem;box-shadow:var(--box-shadow-sm)}.reassign-box h4{font-size:.85rem;text-transform:uppercase;letter-spacing:1px;color:var(--text-tertiary);margin-bottom:.8rem;font-weight:800}.faculty-grid{display:flex;flex-wrap:wrap;gap:.6rem}.faculty-opt{padding:.4rem .8rem;background:var(--background-tertiary);border:1px solid var(--border-secondary);border-radius:8px;font-size:.85rem;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.faculty-opt:hover{background:var(--accent-color-light);border-color:var(--accent-color);color:var(--accent-color);transform:translateY(-2px)}.faculty-opt:disabled{opacity:.6;cursor:not-allowed}.animate-slide-down{animation:slideDown .3s cubic-bezier(.4,0,.2,1)}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInBackdrop{0%{opacity:0}to{opacity:1}}@keyframes slideUpSheet{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}.explainer-overlay-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:flex-end;z-index:2000;animation:fadeInBackdrop .25s ease-out}.explainer-overlay-content{background:var(--background-secondary);color:var(--text-primary);border-radius:20px 20px 0 0;border:1px solid var(--border-primary);border-bottom:none;box-shadow:0 -4px 30px #00000026;width:100%;max-width:700px;max-height:75vh;display:flex;flex-direction:column;overflow:hidden;animation:slideUpSheet .35s cubic-bezier(.16,1,.3,1)}.explainer-overlay-content:before{content:"";display:block;width:40px;height:4px;background:var(--border-secondary, #ccc);border-radius:2px;margin:10px auto 0;flex-shrink:0}.explainer-header{padding:1rem 1.5rem;background-color:var(--background-secondary);border-bottom:1px solid var(--border-primary);flex-shrink:0;display:flex;align-items:center;justify-content:space-between}.explainer-header h4{margin:0;font-size:1rem;color:var(--text-primary);font-weight:500}.explainer-header .theme-text{color:var(--accent-color);font-weight:600}.close-button{background:transparent;border:none;border-radius:50%;width:32px;height:32px;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.4rem;transition:all .2s ease}.close-button:hover{background:var(--background-tertiary);color:var(--text-primary);transform:rotate(90deg)}.explainer-tabs{display:flex;padding:0 1.5rem;gap:1.5rem;background-color:var(--background-secondary);border-bottom:1px solid var(--border-primary)}.tab-button{flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:1rem .5rem;background:transparent;border:none;border-bottom:2px solid transparent;color:var(--text-secondary);font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s ease}.tab-button:hover{color:var(--text-primary);background-color:transparent}.tab-button.active{color:var(--accent-color);border-bottom-color:var(--accent-color);font-weight:600}.tab-button:disabled{opacity:.5;cursor:not-allowed}.explainer-body{padding:1.5rem 2rem;overflow-y:auto;flex-grow:1;background-color:var(--background-primary);display:flex;flex-direction:column;position:relative}.explanation-html-content{line-height:1.7;font-size:1rem;color:var(--text-primary);text-align:left}.explanation-html-content ul,.explanation-html-content ol{padding-left:1.5rem;margin-bottom:1rem}.explanation-html-content li{margin-bottom:.5rem}.loading-state{text-align:center;padding:4rem 1rem;color:var(--text-secondary)}.loading-state .spinner{width:38px;height:38px;margin:0 auto 1rem;border:4px solid var(--border-primary);border-top-color:var(--accent-color);border-radius:50%;animation:spin 1s linear infinite}.loading-state p{font-size:1.1rem;font-weight:500;color:var(--text-primary)}.error-state{color:var(--danger-color);background-color:var(--danger-bg);border:1px solid var(--danger-border);border-radius:var(--border-radius-md);text-align:center;padding:2rem 1rem;font-weight:500}.explanation-html-content p,.explanation-html-content li{font-size:1rem;line-height:1.7;color:var(--text-primary);margin-bottom:1rem}.explanation-html-content b,.explanation-html-content strong{color:var(--text-primary);font-weight:700}.explanation-html-content .highlight-box{background-color:var(--background-tertiary);border-left:4px solid var(--accent-color);padding:1rem;margin:1rem 0;border-radius:0 var(--border-radius-md) var(--border-radius-md) 0}.explanation-html-content code{background-color:var(--background-tertiary);padding:.2em .4em;border-radius:4px;font-family:var(--font-family-monospace);color:var(--accent-color);font-size:.9em}.concepts-list{text-align:center}.concepts-list p{font-size:1.1rem;color:var(--text-primary);margin-bottom:1.5rem}.concepts-list ul{list-style:none;padding:0;margin:0 auto;max-width:100%;display:flex;flex-direction:column;gap:.75rem}.concepts-list li{background:var(--background-secondary);padding:1rem;border-radius:var(--border-radius-md);font-weight:500;color:var(--text-primary);display:flex;align-items:center;gap:.75rem;text-align:left;border:1px solid var(--border-primary);transition:all .2s ease-in-out;box-shadow:var(--box-shadow-xs)}.concepts-list li:hover{border-color:var(--accent-color);background-color:var(--background-hover);transform:translate(4px)}.concepts-list .concept-icon{color:var(--success-color);font-size:1.2rem;flex-shrink:0}.concept-clarity-prompt{margin-top:2rem;font-size:.9rem!important;color:var(--text-secondary)!important;opacity:.8}.concept-list-item{cursor:pointer}.confirm-modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:var(--overlay-bg, rgba(0, 0, 0, .4));-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;justify-content:center;align-items:center;z-index:10000;animation:confirmFadeIn .2s ease-out}.confirm-modal-content{background-color:var(--background-primary, #ffffff);border:1px solid var(--border-primary, #e5e7eb);border-radius:20px;width:90%;max-width:380px;padding:2.5rem 1.5rem 2rem;box-shadow:0 20px 50px #00000040;position:relative;text-align:center;animation:confirmSlideUp .3s cubic-bezier(.175,.885,.32,1.275)}.confirm-modal-close{position:absolute;top:1.25rem;right:1.25rem;background:none;border:none;color:var(--text-tertiary, #9ca3af);font-size:1.25rem;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%}.confirm-modal-close:hover{background-color:var(--background-secondary, #f3f4f6);color:var(--text-primary, #111827)}.confirm-modal-header{display:inline-flex;justify-content:center;align-items:center;margin-bottom:1.5rem}.confirm-modal-icon-container{width:64px;height:64px;border-radius:50%;display:flex;justify-content:center;align-items:center;font-size:2rem}.confirm-modal-header.primary .confirm-modal-icon-container{background-color:#f59e0b1a;color:#f59e0b}.confirm-modal-header.accent .confirm-modal-icon-container{background-color:var(--accent-color-light);color:var(--accent-color)}.confirm-modal-header.success .confirm-modal-icon-container{background-color:var(--success-bg);color:var(--success-color)}.confirm-modal-header.danger .confirm-modal-icon-container{background-color:var(--danger-bg);color:var(--danger-color)}.confirm-modal-header.info .confirm-modal-icon-container{background-color:var(--info-bg);color:var(--info-color)}.confirm-modal-header.warning .confirm-modal-icon-container{background-color:var(--warning-bg);color:var(--warning-color)}.confirm-modal-title{font-size:1.5rem;font-weight:700;color:var(--text-primary, #111827);margin:0 0 .75rem;letter-spacing:-.01em}.confirm-modal-message{color:var(--text-secondary, #4b5563);font-size:1rem;line-height:1.6;margin-bottom:2rem;padding:0 .5rem}.confirm-modal-footer{display:flex;gap:12px;justify-content:center}.confirm-modal-btn{flex:1;padding:.875rem;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;border:none}.confirm-modal-btn.cancel{background-color:var(--background-secondary, #f3f4f6);color:var(--text-secondary, #4b5563)}.confirm-modal-btn.cancel:hover{background-color:var(--background-hover, #e5e7eb);color:var(--text-primary, #111827)}.confirm-modal-btn.confirm.primary{background-color:#f59e0b;color:#fff;box-shadow:0 4px 12px #f59e0b4d}.confirm-modal-btn.confirm.primary:hover{background-color:#d97706;transform:translateY(-1px);box-shadow:0 6px 15px #d9770666}.confirm-modal-btn.confirm.accent{background-color:var(--accent-color);color:var(--text-on-accent);box-shadow:0 4px 12px rgba(var(--accent-color-rgb),.3)}.confirm-modal-btn.confirm.accent:hover{background-color:var(--accent-color-hover);transform:translateY(-1px);box-shadow:0 6px 15px rgba(var(--accent-color-rgb),.4)}.confirm-modal-btn.confirm.success{background-color:var(--success-color);color:#fff;box-shadow:0 4px 12px #10b9814d}.confirm-modal-btn.confirm.success:hover{background-color:var(--button-success-hover-bg, #059669);transform:translateY(-1px);box-shadow:0 6px 15px #05966966}.confirm-modal-btn.confirm.danger{background-color:var(--danger-color);color:#fff;box-shadow:0 4px 12px #dc26264d}.confirm-modal-btn.confirm.danger:hover{background-color:var(--button-danger-hover-bg, #b91c1c);transform:translateY(-1px);box-shadow:0 6px 15px #b91c1c66}.confirm-modal-btn.confirm.info{background-color:var(--accent-color);color:var(--text-on-accent);box-shadow:0 4px 12px rgba(var(--accent-color-rgb),.3)}.confirm-modal-btn.confirm.info:hover{background-color:var(--accent-color-hover);transform:translateY(-1px)}.confirm-modal-btn.confirm.warning{background-color:var(--warning-color);color:var(--text-on-warning, #1E293B);box-shadow:0 4px 12px #f59e0b4d}.confirm-modal-btn.confirm.warning:hover{background-color:var(--button-warning-hover-bg, #d97706);transform:translateY(-1px)}.confirm-modal-btn:active{transform:scale(.97)}@keyframes confirmFadeIn{0%{opacity:0}to{opacity:1}}@keyframes confirmSlideUp{0%{opacity:0;transform:translateY(30px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}:root{--subject-color-physics: #2979ff;--subject-color-chemistry: #ab47bc;--subject-color-maths: #26a69a;--subject-color-biology: #66bb6a;--subject-color-default: var(--border-secondary);--kpi-color-exam-type: var(--info-color, #17a2b8);--kpi-color-score: hsl(var(--brand-hue, 211), var(--brand-saturation, 100%), var(--brand-lightness, 50%));--kpi-color-accuracy: #6f42c1;--kpi-color-time: #fd7e14;--kpi-color-rank: #ffc107;--kpi-color-exam-type-rgb: 23, 162, 184;--kpi-color-score-rgb: var(--brand-rgb-components, 0, 123, 255);--kpi-color-accuracy-rgb: 111, 66, 193;--kpi-color-time-rgb: 253, 126, 20;--kpi-color-rank-rgb: 255, 193, 7}.exam-result-detail-page{display:flex;flex-direction:column;min-height:100vh;background-color:var(--background-primary);color:var(--text-primary);padding:0}.result-page-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);background-color:var(--background-secondary);border-bottom:1px solid var(--border-primary);box-shadow:var(--shadow-sm);height:60px;flex-shrink:0;position:sticky;top:0;z-index:1010}.result-page-header h1{font-size:1.1rem;font-weight:500;margin:0;text-align:center;flex-grow:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 var(--spacing-sm);color:var(--text-primary)}.result-page-header .btn-icon-only{background:transparent;border:none;font-size:1.4rem;padding:var(--spacing-xs);border-radius:var(--border-radius-sm);cursor:pointer;transition:color .2s,background-color .2s}.result-page-header .btn-back{color:var(--text-primary)}.result-page-header .btn-back:hover{color:var(--text-accent);background-color:var(--background-hover)}.result-page-header .btn-close-page{color:var(--danger-color)}.result-page-header .btn-close-page:hover{color:var(--danger-color-darker, darkred);background-color:var(--danger-bg-subtle, rgba(220, 53, 69, .1))}.result-content-area{flex-grow:1;padding:var(--spacing-lg);overflow-y:auto}.result-card{background:var(--background-secondary, #ffffff);border-radius:16px;padding:var(--spacing-xl);margin-bottom:var(--spacing-xl);box-shadow:0 10px 30px -5px #0000000d,0 8px 10px -6px #00000003;border:1px solid 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#0000001a;border-color:#0000001a}.performance-item.kpi-exam-type{background-color:rgba(var(--kpi-color-exam-type-rgb),.07)}.performance-item.kpi-score{background-color:rgba(var(--kpi-color-score-rgb),.07)}.performance-item.kpi-accuracy{background-color:rgba(var(--kpi-color-accuracy-rgb),.07)}.performance-item.kpi-time{background-color:rgba(var(--kpi-color-time-rgb),.07)}.performance-item.kpi-rank{background-color:rgba(var(--kpi-color-rank-rgb),.07)}.performance-item .kpi-icon{font-size:1.6rem;flex-shrink:0}.performance-item.kpi-exam-type .kpi-icon{color:var(--kpi-color-exam-type)}.performance-item.kpi-score .kpi-icon{color:var(--kpi-color-score)}.performance-item.kpi-accuracy .kpi-icon{color:var(--kpi-color-accuracy)}.performance-item.kpi-time .kpi-icon{color:var(--kpi-color-time)}.performance-item.kpi-rank .kpi-icon{color:var(--kpi-color-rank)}.performance-item div{display:flex;flex-direction:column}.performance-item 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#0009;cursor:default}.image-preview-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;border:none;background:#ffffff26;color:#fff;font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center}.image-preview-close:hover{background:#ffffff40}.uploaded-answer-actions{display:flex;flex-direction:column;gap:6px}.upload-success-label{color:var(--color-success, #22c55e);font-size:.85em;display:flex;align-items:center;gap:4px}.btn-replace-image{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;font-size:.82rem;border:1px solid var(--border-color, #ddd);background:transparent;border-radius:5px;cursor:pointer;color:var(--text-secondary, #666)}.upload-error-text{color:var(--color-danger, #ef4444);font-size:.85em;margin-top:6px}.crop-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;z-index:2000;display:flex;align-items:center;justify-content:center}.crop-modal{background:var(--background-primary, #1e2235);border-radius:12px;width:min(700px,96vw);display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 60px #00000080}.crop-modal-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border-color, #333)}.crop-modal-header h4{margin:0;display:flex;align-items:center;gap:6px;font-size:1rem}.crop-modal-body{padding:16px;display:flex;justify-content:center;align-items:center;background:#111;overflow:auto}.crop-modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:12px 16px;border-top:1px solid var(--border-color, #333)}.btn-enhance{display:inline-flex;align-items:center;gap:5px;padding:7px 14px;border-radius:6px;border:1px solid var(--border-color, 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ease-in-out;z-index:1001;box-shadow:var(--box-shadow-lg)}.admin-layout.mobile-menu-open .admin-sidebar{transform:translate(0)}.mobile-menu-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#00000080;z-index:1000;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.mobile-menu-trigger{display:block}.admin-sidebar .collapse-button{display:none}.admin-main-header{justify-content:flex-start}.admin-main-content{padding:var(--spacing-md)}}.sidebar.teacher-sidebar{display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden}.teacher-sidebar .sidebar-inner{display:flex;flex-direction:column;min-height:100%;padding:0;overflow:visible}.teacher-sidebar .teacher-nav-section{flex-grow:1;padding:.75rem .5rem;display:flex;flex-direction:column}.teacher-sidebar .sidebar-section--footer{margin-top:auto;padding:1rem;border-top:1px solid var(--border-primary);background-color:var(--background-secondary)}.teacher-sidebar .sidebar-header{padding:1rem;border-bottom:1px solid var(--border-primary)}.teacher-sidebar .teacher-logo-wrapper{padding-bottom:1rem;margin-bottom:1rem;border-bottom:1px solid var(--border-primary);display:flex;justify-content:center;align-items:center}.teacher-sidebar .teacher-logo{max-height:36px;max-width:150px;object-fit:contain;transition:all .2s ease}.teacher-sidebar .plan-expiry{font-size:.75rem;font-weight:500;color:var(--text-secondary);margin-top:.25rem}.teacher-nav-item{width:100%;display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border:1px solid transparent;background:transparent;color:var(--text-secondary);border-radius:var(--border-radius-md);cursor:pointer;margin-bottom:.35rem;font-size:.9rem;font-weight:500;text-align:left;transition:all .2s ease-in-out}.teacher-nav-item:hover{background-color:var(--background-tertiary);color:var(--text-primary);transform:translate(2px)}.teacher-nav-item.active{background-color:var(--accent-color-light, rgba(59, 130, 246, .1));color:var(--accent-color);font-weight:600;border-color:var(--accent-color);box-shadow:0 1px 2px #0000000d}.teacher-nav-item .nav-item-icon{font-size:18px;display:flex;align-items:center;flex-shrink:0}.teacher-nav-item .nav-item-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.teacher-sidebar .sidebar-leaderboard-widget{margin-top:2rem;border-top:1px solid var(--border-primary);padding-top:1.25rem;padding-bottom:.5rem}.teacher-sidebar .leaderboard-header{display:flex;align-items:center;justify-content:space-between;width:100%;padding-bottom:.75rem;margin-bottom:.5rem;border-bottom:1px dashed var(--border-primary)}.teacher-sidebar .leaderboard-title{display:flex;align-items:center;flex-grow:1;cursor:pointer;font-size:.9rem;font-weight:700;color:var(--text-primary);gap:.6rem;-webkit-user-select:none;user-select:none}.teacher-sidebar .leaderboard-title>svg:first-child{color:gold;font-size:1.1rem;filter:drop-shadow(0 2px 3px rgba(0,0,0,.1))}.teacher-sidebar .leaderboard-toggle-spacer svg{color:var(--text-primary);filter:none}.teacher-sidebar .leaderboard-toggle-spacer{margin-left:auto;padding-right:.75rem;display:flex;align-items:center;justify-content:center;color:var(--text-primary);font-size:1.1rem;opacity:.8;transition:opacity .2s ease}.teacher-sidebar .leaderboard-title:hover .leaderboard-toggle-spacer{opacity:1;color:var(--text-primary)}.teacher-sidebar .leaderboard-title:hover{color:var(--accent-color)}.teacher-sidebar .leaderboard-refresh-btn{background:transparent;border:1px solid var(--border-primary);color:var(--text-primary);padding:0;border-radius:50%;width:32px;height:32px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;flex-shrink:0;font-size:1rem}.teacher-sidebar .leaderboard-refresh-btn:hover:not(:disabled){color:var(--accent-color);background-color:var(--background-tertiary);border-color:var(--accent-color);transform:rotate(180deg);box-shadow:0 2px 5px #0000000d}.teacher-sidebar .leaderboard-refresh-btn:disabled{opacity:.5;cursor:not-allowed}.teacher-sidebar .sidebar-theme-switch-row{margin-top:.75rem;padding-top:.75rem;border-top:1px dotted var(--border-primary)}.teacher-sidebar .sidebar-theme-switch-row .theme-label{font-size:.75rem;font-weight:600;color:var(--text-secondary)}.teacher-sidebar .btn-change-password,.teacher-sidebar .btn-signout{width:100%;display:flex;align-items:center;justify-content:center;gap:.75rem;padding:.65rem .75rem;font-weight:500;border-radius:var(--border-radius-md);transition:all .2s ease;font-size:.875rem}.teacher-sidebar .btn-change-password{background-color:var(--button-secondary-bg, hsl(210, 15%, 95%));color:var(--button-secondary-text, hsl(210, 10%, 40%));border:1px solid var(--button-secondary-border, hsl(210, 15%, 88%))}.teacher-sidebar .btn-change-password:hover:not(:disabled){background-color:var(--button-secondary-hover-bg, hsl(210, 15%, 90%));color:var(--button-secondary-hover-text, hsl(210, 10%, 20%))}.teacher-sidebar .btn-signout{background-color:transparent;border:1px solid var(--danger-color);color:var(--danger-color);font-weight:600}.teacher-sidebar .btn-signout:hover:not(:disabled){background-color:var(--danger-color);color:#fff;border-color:var(--danger-color)}.teacher-sidebar .btn-change-password .sidebar-icon svg,.teacher-sidebar .btn-signout .sidebar-icon svg{width:16px;height:16px}