*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #4f46e5;--secondary-color: #06b6d4;--success-color: #10b981;--error-color: #ef4444;--warning-color: #f59e0b;--info-color: #3b82f6;--light-color: #f8fafc;--dark-color: #1e293b;--white: #ffffff;--gray-50: #f8fafc;--gray-100: #f1f5f9;--gray-200: #e2e8f0;--gray-300: #cbd5e1;--gray-400: #94a3b8;--gray-500: #64748b;--gray-600: #475569;--gray-700: #334155;--gray-800: #1e293b;--gray-900: #0f172a;--font-family: "Nunito", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-size-5xl: 3rem;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-base: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--spacing-4xl: 6rem;--border-radius-sm: .375rem;--border-radius-base: .5rem;--border-radius-lg: .75rem;--border-radius-xl: 1rem;--border-radius-2xl: 1.5rem;--border-radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-base: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--transition-fast: .15s ease-in-out;--transition-base: .25s ease-in-out;--transition-slow: .35s ease-in-out;--z-dropdown: 1000;--z-sticky: 1020;--z-fixed: 1030;--z-modal-backdrop: 1040;--z-modal: 1050;--z-popover: 1060;--z-tooltip: 1070}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.6;color:var(--dark-color);background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:var(--spacing-base)}h1{font-size:var(--font-size-4xl)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}h4{font-size:var(--font-size-xl)}h5{font-size:var(--font-size-lg)}h6{font-size:var(--font-size-base)}p{margin-bottom:var(--spacing-base)}a{color:var(--primary-color);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--secondary-color)}a:focus{outline:2px solid var(--primary-color);outline-offset:2px;border-radius:var(--border-radius-sm)}button{font-family:inherit;font-size:inherit;border:none;background:none;cursor:pointer;transition:all var(--transition-fast)}button:focus{outline:2px solid var(--primary-color);outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.6}input,textarea,select{font-family:inherit;font-size:inherit;border:2px solid var(--gray-300);border-radius:var(--border-radius-base);padding:var(--spacing-sm) var(--spacing-base);transition:border-color var(--transition-fast)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary-color)}img{max-width:100%;height:auto;display:block}ul,ol{list-style:none}.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}:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}@media (prefers-contrast: high){:root{--primary-color: #0000ff;--success-color: #008000;--error-color: #ff0000;--warning-color: #ffa500}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media print{body{background:#fff;color:#000}.no-print{display:none!important}}@media (max-width: 640px){:root{--font-size-base: .875rem;--spacing-base: .75rem}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}}@media (min-width: 768px){:root{--font-size-base: 1rem}}@media (min-width: 1024px){:root{--font-size-base: 1.125rem}}.loading-spinner-container{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;padding:2rem}.loading-spinner{border:4px solid #f1f5f9;border-top-color:#4f46e5;border-radius:50%;animation:spin 1s linear infinite}.spinner-small{width:24px;height:24px;border-width:3px}.spinner-medium{width:48px;height:48px;border-width:4px}.spinner-large{width:72px;height:72px;border-width:5px}.loading-text{color:#64748b;font-size:1rem;font-weight:500;margin:0}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{position:fixed;top:1rem;right:1rem;z-index:1070;display:flex;flex-direction:column;gap:.75rem;max-width:400px}.toast{display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;background:#fff;border-radius:.75rem;box-shadow:0 10px 30px #0003;border-left:4px solid}.toast-success{border-left-color:#10b981}.toast-error{border-left-color:#ef4444}.toast-info{border-left-color:#3b82f6}.toast-warning{border-left-color:#f59e0b}.toast-icon{font-size:1.5rem;font-weight:700;flex-shrink:0}.toast-success .toast-icon{color:#10b981}.toast-error .toast-icon{color:#ef4444}.toast-info .toast-icon{color:#3b82f6}.toast-warning .toast-icon{color:#f59e0b}.toast-message{flex:1;color:#1e293b;font-size:.95rem;line-height:1.5}.toast-close{background:none;border:none;font-size:1.25rem;color:#64748b;cursor:pointer;padding:.25rem;line-height:1;transition:all .3s;border-radius:.25rem;flex-shrink:0}.toast-close:hover{background-color:#f1f5f9;color:#1e293b}@media (max-width: 768px){.toast-container{left:1rem;right:1rem;max-width:none}.toast{padding:.875rem 1rem}.toast-message{font-size:.875rem}}.admin-sidebar{width:240px;background:var(--admin-surface, #FFFFFF);border-right:1px solid var(--admin-border, #E2E8F0);display:flex;flex-direction:column;position:fixed;left:0;top:56px;bottom:0;z-index:100;transition:width .2s ease}.admin-sidebar.collapsed{width:64px}.sidebar-content{flex:1;padding:16px 0;overflow-y:auto;overflow-x:hidden}.sidebar-spacer{height:24px}.sidebar-item{width:100%;display:flex;align-items:center;gap:12px;padding:12px 16px;background:transparent;border:none;border-left:2px solid transparent;color:var(--admin-text-muted, #64748B);font-size:14px;font-weight:500;text-align:left;cursor:pointer;transition:all .2s ease;position:relative}.sidebar-item:hover:not(.active){background:var(--admin-bg, #FAFBFC)}.sidebar-item.active{color:var(--admin-primary, #4F46E5);background:#4f46e514;border-left-color:var(--admin-primary, 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#E2E8F0);color:var(--admin-text, #1E293B)}@media (max-width: 768px){.admin-sidebar{width:240px;transform:translate(-100%);transition:transform .3s ease}.admin-sidebar.mobile-open{transform:translate(0)}.admin-sidebar.collapsed{width:240px}}.sidebar-content::-webkit-scrollbar{width:4px}.sidebar-content::-webkit-scrollbar-track{background:transparent}.sidebar-content::-webkit-scrollbar-thumb{background:var(--admin-border, #E2E8F0);border-radius:2px}.sidebar-content::-webkit-scrollbar-thumb:hover{background:var(--admin-text-muted, #64748B)}.organization-switcher{position:relative;display:inline-block;z-index:100}.org-switcher-button{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:#fff;border:2px solid #e5e7eb;border-radius:8px;cursor:pointer;transition:all .3s ease;font-size:.875rem;font-weight:500;color:#374151;min-width:200px}.org-switcher-button:hover:not(:disabled){border-color:#667eea;box-shadow:0 2px 8px #667eea33;transform:translateY(-1px)}.org-switcher-button:disabled{opacity:.5;cursor:not-allowed}.org-icon{font-size:1.25rem}.org-name{flex:1;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dropdown-arrow{font-size:.75rem;transition:transform .3s ease;color:#9ca3af}.dropdown-arrow.open{transform:rotate(180deg)}.org-dropdown{position:absolute;top:calc(100% + .5rem);left:0;min-width:350px;background:#fff;border-radius:12px;box-shadow:0 10px 40px #00000026;z-index:9999;animation:slideDown .2s ease;border:2px solid #e5e7eb}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.org-dropdown-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.25rem;border-bottom:2px solid #e5e7eb;font-weight:600;color:#374151;font-size:.875rem}.org-count{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:.25rem .625rem;border-radius:12px;font-size:.75rem}.org-list{max-height:400px;overflow-y:auto;padding:.5rem}.org-item{width:100%;display:flex;justify-content:space-between;align-items:center;padding:1rem;border:2px solid transparent;border-radius:8px;background:#fff;cursor:pointer;transition:all .2s ease;margin-bottom:.5rem;text-align:left}.org-item:hover{background:#f9fafb;border-color:#667eea;transform:translate(4px)}.org-item.active{background:linear-gradient(135deg,#667eea1a,#764ba21a);border-color:#667eea}.org-item-main{display:flex;align-items:center;gap:.75rem;flex:1}.org-item-icon{font-size:1.5rem}.org-item-info{display:flex;flex-direction:column;gap:.25rem}.org-item-name{font-weight:600;color:#1f2937;font-size:.95rem}.org-item-code{font-size:.75rem;color:#6b7280;font-weight:500}.org-item-badges{display:flex;flex-direction:column;gap:.375rem;align-items:flex-end}.role-badge{padding:.25rem .625rem;border-radius:12px;font-size:.75rem;font-weight:600;white-space:nowrap}.role-badge.role-admin{background:#dbeafe;color:#1e40af}.role-badge.role-student{background:#d1fae5;color:#065f46}.current-badge{font-size:.75rem;color:#10b981;font-weight:700}.org-list::-webkit-scrollbar{width:6px}.org-list::-webkit-scrollbar-track{background:#f3f4f6;border-radius:10px}.org-list::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:10px}.org-list::-webkit-scrollbar-thumb:hover{background:#9ca3af}@media (max-width: 768px){.org-dropdown{min-width:300px;right:0;left:auto}.org-switcher-button{min-width:160px;padding:.5rem .75rem}.org-name{max-width:120px}.org-item{padding:.75rem}.org-item-icon{font-size:1.25rem}}.btn{border:none;border-radius:.75rem;font-weight:600;cursor:pointer;transition:all .3s;font-family:inherit;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-small{padding:.5rem 1rem;font-size:.875rem}.btn-medium{padding:.75rem 1.5rem;font-size:1rem}.btn-large{padding:1rem 2rem;font-size:1.125rem}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 12px #667eea4d}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 30px #667eea66}.btn-secondary{background:#fff;color:#667eea;border:2px solid #667eea;box-shadow:0 2px 8px #667eea26}.btn-secondary:hover:not(:disabled){background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px #667eea4d}.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;box-shadow:0 4px 12px #ef44444d}.btn-danger:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #ef444466;background:linear-gradient(135deg,#dc2626,#b91c1c)}.btn-success{background:linear-gradient(135deg,#10b981,#059669);color:#fff;box-shadow:0 4px 12px #10b9814d}.btn-success:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #10b98166;background:linear-gradient(135deg,#059669,#047857)}.btn:active:not(:disabled){transform:translateY(0)}.admin-header{height:56px;background:var(--admin-surface, #FFFFFF);border-bottom:1px solid var(--admin-border, #E2E8F0);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:fixed;top:0;left:0;right:0;z-index:200}.header-left{display:flex;align-items:center;gap:16px}.mobile-menu-toggle{background:none;border:none;font-size:20px;color:var(--admin-text, #1E293B);cursor:pointer;padding:8px;margin-right:8px;display:none}.mobile-menu-toggle:hover{background:var(--admin-bg, #FAFBFC);border-radius:4px}.org-name{font-size:14px;font-weight:600;color:var(--admin-text, #1E293B)}.user-name{font-size:13px;color:var(--admin-text-muted, #64748B)}.header-right{display:flex;align-items:center;gap:12px}@media (max-width: 768px){.admin-header{padding:0 16px}.mobile-menu-toggle{display:block}.header-left{gap:12px}.org-name{font-size:13px}.user-name{display:none}.header-right{gap:8px}}.admin-breadcrumbs{display:flex;align-items:center;gap:8px;padding:12px 24px;font-size:13px;color:var(--admin-text-muted, #64748B);background:var(--admin-bg, #FAFBFC);border-bottom:1px solid var(--admin-border, #E2E8F0)}.breadcrumb-item{background:none;border:none;color:var(--admin-text-muted, #64748B);font-size:13px;cursor:pointer;padding:0;transition:color .2s ease}.breadcrumb-item:hover{color:var(--admin-primary, #4F46E5)}.breadcrumb-separator{color:var(--admin-text-light, #94A3B8);-webkit-user-select:none;user-select:none}.breadcrumb-current{color:var(--admin-text, #1E293B);font-weight:500}@media (max-width: 768px){.admin-breadcrumbs{padding:8px 16px;font-size:12px;overflow-x:auto;white-space:nowrap}.admin-breadcrumbs::-webkit-scrollbar{display:none}}:root{--admin-primary: #4F46E5;--admin-bg: #FAFBFC;--admin-surface: #FFFFFF;--admin-text: #1E293B;--admin-text-muted: #64748B;--admin-text-light: #94A3B8;--admin-border: #E2E8F0;--admin-danger: #EF4444;--admin-warning: #F59E0B}.admin-layout{min-height:100vh;background:var(--admin-bg);display:flex;flex-direction:column}.sidebar-backdrop{display:none}.admin-layout-body{display:flex;flex:1;margin-top:56px}.admin-layout-main{flex:1;margin-left:240px;display:flex;flex-direction:column;min-height:calc(100vh - 56px)}.admin-layout-content{flex:1;padding:32px;max-width:1600px;width:100%;margin:0 auto}.admin-layout.sidebar-collapsed .admin-layout-main{margin-left:64px}@media (max-width: 768px){.admin-layout-main{margin-left:0}.admin-layout-content{padding:16px}.sidebar-backdrop{display:block;position:fixed;top:56px;left:0;right:0;bottom:0;background:#00000080;z-index:99}}