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0}.feature-error-content{text-align:center;max-width:500px}.feature-error-icon{font-size:48px;margin-bottom:16px}.feature-error-title{font-size:18px;font-weight:600;color:var(--color-text-primary);margin:0 0 8px}.feature-error-message{font-size:14px;color:var(--color-text-secondary);margin:0 0 16px;line-height:1.5}.feature-error-details{text-align:left;background-color:var(--color-bg-secondary);border:1px solid var(--color-border-light);border-radius:4px;margin-bottom:16px}.feature-error-details summary{padding:12px;cursor:pointer;font-size:13px;color:var(--color-text-secondary);-webkit-user-select:none;user-select:none}.feature-error-details summary:hover{background-color:var(--color-bg-hover)}.feature-error-detail-content{padding:0 12px 12px;font-size:12px}.feature-error-error-message{color:var(--color-error);margin-bottom:8px;word-break:break-word}.feature-error-stack{margin-top:8px}.feature-error-stack pre{background-color:var(--color-bg-tertiary);padding:8px;border-radius:4px;overflow-x:auto;font-size:11px;line-height:1.4;max-height:200px;margin:4px 0 0}.feature-error-actions{display:flex;justify-content:center;gap:8px}.feature-error-btn-retry{padding:8px 16px;font-size:14px;font-weight:500;color:var(--color-text-inverse);background-color:var(--color-primary);border:none;border-radius:4px;cursor:pointer;transition:background-color .2s ease}.feature-error-btn-retry:hover{background-color:var(--color-primary-dark)}.feature-error-btn-retry:focus{outline:2px solid var(--color-primary);outline-offset:2px}.feature-error-btn-login{padding:8px 16px;font-size:14px;font-weight:500;color:var(--color-text-inverse);background-color:var(--color-primary);border:none;border-radius:4px;cursor:pointer;transition:background-color .2s ease}.feature-error-btn-login:hover{background-color:var(--color-primary-dark)}.feature-error-btn-login:focus{outline:2px solid 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.75rem;font-size:.75rem}}.skeleton{background:var(--color-skeleton-base);display:inline-block;position:relative;overflow:hidden;border-radius:4px}.skeleton:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 0%,var(--color-skeleton-shimmer) 50%,transparent 100%);transform:translate(-100%);animation:shimmer 1.5s ease-in-out infinite;will-change:transform}:root[data-theme=dark] .skeleton{background:var(--color-skeleton-dark-base)}:root[data-theme=dark] .skeleton:after{background:linear-gradient(90deg,transparent 0%,var(--color-skeleton-dark-shimmer) 50%,transparent 100%)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.modal-overlay{position:fixed;inset:0;background-color:var(--color-overlay);z-index:100000;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);display:flex;justify-content:center;align-items:center;opacity:0;transition:opacity .2s 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#0003}.login__button:active:not(:disabled){transform:translateY(0)}.login__button:disabled{opacity:.7;cursor:not-allowed}.login__hint{font-size:.8rem;color:var(--color-text-tertiary);margin-top:1rem}@media(max-width:480px){.login__card{padding:2rem 1.5rem}.login__title{font-size:1.5rem}}.enrollment-chart{background:var(--color-bg-primary);border:1px solid var(--color-border-primary);border-radius:8px;padding:1.5rem}.enrollment-chart-title{margin:0 0 1rem;font-size:1.1rem;font-weight:600;color:var(--color-text-primary)}.enrollment-chart-empty{text-align:center;color:var(--color-text-secondary);padding:2rem;font-style:italic}.comparison-chart{background:var(--color-bg-primary);border:1px solid var(--color-border-primary);border-radius:8px;padding:1.5rem}.comparison-chart-title{margin:0 0 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solid var(--color-border-primary);border-radius:8px;padding:1.5rem}.cumulative-chart-title{margin:0 0 1rem;font-size:1.1rem;font-weight:600;color:var(--color-text-primary)}.cumulative-chart-empty{text-align:center;color:var(--color-text-secondary);padding:2rem;font-style:italic}.cumulative-chart-legend{display:flex;justify-content:center;gap:1.5rem;flex-wrap:wrap;margin-bottom:.75rem}.cumulative-chart-legend-item{display:flex;align-items:center;gap:.4rem}.cumulative-chart-legend-line{display:inline-block;width:20px;height:3px;border-radius:2px}.cumulative-chart-legend-label{font-size:.8rem;color:var(--color-text-primary)}.cumulative-chart-scroll{overflow-x:auto;overflow-y:hidden}.cumulative-chart-scroll-inner{min-width:100%}.cumulative-chart-scroll::-webkit-scrollbar{height:8px}.cumulative-chart-scroll::-webkit-scrollbar-track{background:var(--color-bg-secondary);border-radius:4px}.cumulative-chart-scroll::-webkit-scrollbar-thumb{background:var(--color-border-primary);border-radius:4px}.cumulative-chart-scroll::-webkit-scrollbar-thumb:hover{background:var(--color-text-secondary)}.location-filter{display:flex;align-items:center;gap:.75rem}.location-filter-label{font-size:.875rem;font-weight:500;color:var(--color-text-secondary)}.location-filter-select{padding:.5rem .75rem;border:1px solid var(--color-border-primary);border-radius:6px;background:var(--color-bg-primary);color:var(--color-text-primary);font-size:.875rem;min-width:200px;cursor:pointer}.location-filter-select:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 2px var(--color-accent-subtle)}.location-filter-select:disabled{opacity:.5;cursor:not-allowed}.course-category-filter{display:flex;align-items:center;gap:.75rem}.course-category-filter-label{font-size:.875rem;font-weight:500;color:var(--color-text-secondary)}.course-category-filter-select{padding:.5rem .75rem;border:1px solid var(--color-border-primary);border-radius:6px;background:var(--color-bg-primary);color:var(--color-text-primary);font-size:.875rem;min-width:200px;cursor:pointer}.course-category-filter-select:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 2px var(--color-accent-subtle)}.course-category-filter-select:disabled{opacity:.5;cursor:not-allowed}.app{min-height:100vh;background:var(--color-bg-secondary)}.app-main{max-width:1400px;margin:0 auto;padding:2rem}.app-loading{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:1.1rem;color:var(--color-text-secondary)}.dashboard-section{margin-bottom:3rem}.dashboard-section:last-child{margin-bottom:0}.dashboard-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}.dashboard-title{margin:0;font-size:1.5rem;font-weight:600;color:var(--color-text-primary)}.dashboard-filters{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap}.dashboard-charts{display:flex;flex-direction:column;gap:1.5rem}.dashboard-loading{text-align:center;padding:4rem;color:var(--color-text-secondary);font-size:1.1rem}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--color-bg-primary: #fafaf8;--color-bg-secondary: #ffffff;--color-bg-tertiary: #f5f3f0;--color-bg-quaternary: #fff8f5;--color-bg-accent: #fff8f5;--color-bg-hover: #f0ede8;--color-text-primary: #1a1a1a;--color-text-secondary: #404040;--color-text-tertiary: #686868;--color-text-muted: #6b7280;--color-text-inverse: #ffffff;--color-text-inverse-dark: #000000;--color-text-on-primary: #ffffff;--color-text-link: #1e3a8a;--color-text-link-hover: #1e40af;--color-border-light: #e8e6e3;--color-border-medium: #d4d0ca;--color-border-dark: #686868;--color-input-bg: #ffffff;--color-input-border: #d4d0ca;--color-input-border-focus: #3b82f6;--color-input-text: #1a1a1a;--color-input-placeholder: #989898;--color-primary: #1e3a8a;--color-primary-light: #3b82f6;--color-primary-lighter: #60a5fa;--color-primary-dark: #1e40af;--color-primary-bg: #dbeafe;--color-primary-bg-hover: #eff6ff;--color-accent: #8b5cf6;--color-accent-dark: #7c3aed;--color-accent-darker: #6d28d9;--color-accent-shadow: rgba(139, 92, 246, .2);--color-success: #10b981;--color-success-dark: #059669;--color-success-bg: #d1fae5;--color-success-text: #166534;--color-error: #ef4444;--color-error-dark: #dc2626;--color-error-bg: #fee2e2;--color-error-bg-hover: #fef2f2;--color-error-light: #fca5a5;--color-error-text: #991b1b;--color-info: #3b82f6;--color-info-dark: #2563eb;--color-info-bg: #dbeafe;--color-warning: #f59e0b;--color-warning-dark: #d97706;--color-warning-bg: #fef3c7;--color-warning-text: #92400e;--color-btn-secondary-bg: #f3f4f6;--color-btn-secondary-text: #374151;--color-btn-secondary-hover: #e5e7eb;--color-copied-bg: #dcfce7;--color-copied-text: #16a34a;--color-input-focus-shadow: rgba(59, 130, 246, .1);--color-scrollbar-track: #f5f3f0;--color-scrollbar-thumb: #d4d0ca;--color-scrollbar-thumb-hover: #686868;--color-badge-blue-bg: #dbeafe;--color-badge-blue-text: #1e40af;--color-badge-pink-bg: #fce7f3;--color-badge-pink-text: #9d174d;--color-badge-green-bg: #dcfce7;--color-badge-green-text: #166534;--color-badge-orange-bg: #ffedd5;--color-badge-orange-text: #9a3412;--color-skeleton-base: #e8e8e8;--color-skeleton-shimmer: rgba(255, 255, 255, .5);--color-notification-bg: #dc2626;--color-notification-shadow: rgba(220, 38, 38, .4);--color-orange: #f97316;--color-orange-dark: #ea580c;--color-tooltip-bg: rgba(0, 0, 0, .9);--color-tooltip-text: #ffffff;--color-overlay: rgba(26, 26, 26, .5);--color-overlay-light: rgba(26, 26, 26, .2);--color-row-hover: rgba(59, 130, 246, .04);--color-save-flash: rgba(16, 185, 129, .3);--color-primary-shadow: rgba(30, 58, 138, .3);--color-inverse-overlay: rgba(255, 255, 255, .2);--color-inverse-overlay-hover: rgba(255, 255, 255, .3);--color-inverse-overlay-border: rgba(255, 255, 255, .3);--color-permission-granted: #22c55e;--color-permission-denied: #ef4444;--color-checkbox-border: var(--color-border-medium);--color-checkbox-bg: var(--color-bg-secondary);--color-checkbox-focus-border: var(--color-primary-light);--color-checkbox-focus-bg: var(--color-bg-tertiary);--color-checkbox-checked: var(--color-primary-light);--color-checkbox-disabled-bg: var(--color-bg-tertiary);--color-checkbox-disabled-border: var(--color-border-light);--color-checkbox-checkmark: #ffffff;--color-header-border: var(--color-border-light);--color-toggle-bg: #f3f4f6;--color-toggle-border: #e5e7eb;--color-toggle-text: #6b7280;--color-toggle-hover-bg: #e5e7eb;--color-toggle-hover-border: #d1d5db;--color-toggle-hover-text: #1a1a2e;--color-banner-offline: var(--color-error-dark);--color-banner-reconnecting-bg: var(--color-warning);--color-banner-reconnecting-text: var(--color-text-inverse-dark);--color-banner-online: var(--color-success);--color-shadow-xs: rgba(0, 0, 0, .04);--color-shadow-sm: rgba(0, 0, 0, .1);--color-shadow-md: rgba(0, 0, 0, .12);--color-shadow-lg: rgba(0, 0, 0, .15);--color-shadow-xl: rgba(0, 0, 0, .2);--color-shadow-text: rgba(0, 0, 0, .2);--color-focus-ring: rgba(59, 130, 246, .1);--color-focus-ring-strong: rgba(59, 130, 246, .3);--color-badge-text-green: #d1fae5;--color-badge-text-red: #fee2e2;--color-badge-text-yellow: #fef3c7;--color-badge-text-orange: #ffedd5;--color-badge-text-blue: #dbeafe;--color-skeleton-detail-bg: rgba(255, 255, 255, .05);--color-skeleton-detail-shimmer: rgba(255, 255, 255, .08);--shadow-sm: 0 1px 2px rgba(26, 26, 26, .05), 0 1px 3px rgba(26, 26, 26, .1);--shadow-md: 0 2px 4px rgba(26, 26, 26, .08), 0 4px 8px rgba(26, 26, 26, .12);--shadow-lg: 0 8px 16px rgba(26, 26, 26, .1), 0 16px 32px rgba(26, 26, 26, .2);color-scheme:light;color:var(--color-text-primary);background-color:var(--color-bg-primary)}:root[data-theme=dark]{--color-bg-primary: #0f172a;--color-bg-secondary: #1e293b;--color-bg-tertiary: #334155;--color-bg-quaternary: #293548;--color-bg-accent: #1e3a5f;--color-bg-hover: #293548;--color-text-primary: #e2e8f0;--color-text-secondary: #cbd5e1;--color-text-tertiary: #94a3b8;--color-text-muted: #9ca3af;--color-text-inverse: #ffffff;--color-text-inverse-dark: #0f172a;--color-text-on-primary: #0f172a;--color-text-link: #60a5fa;--color-text-link-hover: #93c5fd;--color-border-light: #334155;--color-border-medium: #475569;--color-border-dark: #64748b;--color-input-bg: #1e293b;--color-input-border: #475569;--color-input-border-focus: #60a5fa;--color-input-text: #e2e8f0;--color-input-placeholder: #64748b;--color-primary: #3b82f6;--color-primary-light: #60a5fa;--color-primary-lighter: #93c5fd;--color-primary-dark: #2563eb;--color-primary-bg: #1e3a8a;--color-primary-bg-hover: rgba(59, 130, 246, .15);--color-accent: #8b5cf6;--color-accent-dark: #7c3aed;--color-accent-darker: #6d28d9;--color-accent-shadow: rgba(139, 92, 246, .3);--color-success: #10b981;--color-success-dark: #059669;--color-success-bg: #064e3b;--color-success-text: #86efac;--color-error: #ef4444;--color-error-dark: #dc2626;--color-error-bg: #7f1d1d;--color-error-bg-hover: rgba(239, 68, 68, .15);--color-error-light: #fca5a5;--color-error-text: #fca5a5;--color-info: #3b82f6;--color-info-dark: #2563eb;--color-info-bg: #1e3a8a;--color-warning: #fbbf24;--color-warning-dark: #f59e0b;--color-warning-bg: rgba(251, 191, 36, .15);--color-warning-text: #fef3c7;--color-btn-secondary-bg: #334155;--color-btn-secondary-text: #e2e8f0;--color-btn-secondary-hover: #475569;--color-copied-bg: #166534;--color-copied-text: #86efac;--color-input-focus-shadow: rgba(96, 165, 250, .15);--color-scrollbar-track: #22222e;--color-scrollbar-thumb: #475569;--color-scrollbar-thumb-hover: #64748b;--color-badge-blue-bg: rgba(30, 64, 175, .3);--color-badge-blue-text: #93c5fd;--color-badge-pink-bg: rgba(157, 23, 77, .3);--color-badge-pink-text: #f9a8d4;--color-badge-green-bg: rgba(22, 101, 52, .3);--color-badge-green-text: #86efac;--color-badge-orange-bg: rgba(234, 88, 12, .3);--color-badge-orange-text: #fdba74;--color-skeleton-base: #334155;--color-skeleton-shimmer: rgba(255, 255, 255, .12);--color-notification-bg: #ef4444;--color-notification-shadow: rgba(239, 68, 68, .5);--color-orange: #f97316;--color-orange-dark: #ea580c;--color-tooltip-bg: rgba(0, 0, 0, .95);--color-tooltip-text: #ffffff;--color-overlay: rgba(0, 0, 0, .7);--color-overlay-light: rgba(0, 0, 0, .4);--color-row-hover: rgba(96, 165, 250, .08);--color-save-flash: rgba(16, 185, 129, .25);--color-primary-shadow: rgba(30, 58, 138, .4);--color-inverse-overlay: rgba(255, 255, 255, .15);--color-inverse-overlay-hover: rgba(255, 255, 255, .25);--color-inverse-overlay-border: rgba(255, 255, 255, .25);--color-checkbox-border: #3a3a4a;--color-checkbox-bg: #2a2a3a;--color-checkbox-focus-border: #4a90e2;--color-checkbox-focus-bg: #32323e;--color-checkbox-checked: #4a90e2;--color-checkbox-disabled-bg: #32323e;--color-checkbox-disabled-border: #3a3a4a;--color-checkbox-checkmark: #ffffff;--color-header-border: #2d2d44;--color-toggle-bg: #2d2d44;--color-toggle-border: #3d3d5c;--color-toggle-text: #9ca3af;--color-toggle-hover-bg: #3d3d5c;--color-toggle-hover-border: #4d4d6c;--color-toggle-hover-text: #ffffff;--color-banner-offline: #dc2626;--color-banner-reconnecting-bg: #d97706;--color-banner-reconnecting-text: #ffffff;--color-banner-online: #059669;--color-shadow-xs: rgba(0, 0, 0, .15);--color-shadow-sm: rgba(0, 0, 0, .25);--color-shadow-md: rgba(0, 0, 0, .3);--color-shadow-lg: rgba(0, 0, 0, .4);--color-shadow-xl: rgba(0, 0, 0, .5);--color-shadow-text: rgba(0, 0, 0, .4);--color-focus-ring: rgba(59, 130, 246, .15);--color-focus-ring-strong: rgba(59, 130, 246, .4);--color-badge-text-green: #d1fae5;--color-badge-text-red: #fee2e2;--color-badge-text-yellow: #fef3c7;--color-badge-text-orange: #ffedd5;--color-badge-text-blue: #dbeafe;--color-skeleton-detail-bg: rgba(255, 255, 255, .05);--color-skeleton-detail-shimmer: rgba(255, 255, 255, .08);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 2px 8px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .6);color-scheme:dark;color:var(--color-text-primary);background-color:var(--color-bg-primary)}body,.app,.app-header,.app-footer,.app-main{transition:background-color .15s ease,color .15s ease}body{margin:0;min-width:320px;min-height:100vh;background-color:var(--color-bg-primary);color:var(--color-text-primary)}#root{width:100%}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes popIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulse-subtle{0%,to{opacity:1}50%{opacity:.7}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}:root{--focus-ring: 0 0 0 3px var(--color-focus-ring-strong);--focus-ring-offset: 0 0 0 2px var(--color-bg-secondary), 0 0 0 5px var(--color-focus-ring-strong);--focus-ring-input: 0 0 0 3px var(--color-input-focus-shadow)}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:none;box-shadow:var(--focus-ring)}input[id^=react-select]:focus-visible{box-shadow:none}