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img{width:100%;height:100%;object-fit:cover}.profile-dropdown{position:absolute;top:120%;right:0;width:200px;background-color:#e0e0e0;border-radius:8px;padding:8px 0;box-shadow:0 4px 12px #00000026;display:flex;flex-direction:column;z-index:1001;overflow:hidden}.dropdown-item{padding:10px 16px;font-size:14px;font-weight:600;color:#000;cursor:pointer;transition:background-color .2s;background:transparent;border:none;text-align:left}.dropdown-item:hover{background-color:#0000000d}.header-login-btn{background-color:#fff;color:#1f7bf2;border:none;padding:8px 24px;border-radius:6px;font-weight:600;font-size:14px;cursor:pointer;transition:background-color .2s}.header-login-btn:hover{background-color:#f0f9ff}.app-sidebar{width:260px;height:calc(100vh - 64px);background-color:#eaf6ff;position:fixed;top:64px;left:0;padding:24px 16px;box-sizing:border-box;display:flex;flex-direction:column;z-index:900}.sidebar-menu{display:flex;flex-direction:column;gap:16px;flex:1}.menu-item{display:flex;align-items:center;padding:12px 16px;background-color:transparent;border:1px solid #60a5fa;border-radius:8px;color:#000;text-decoration:none;font-size:14px;font-weight:700;transition:all .2s ease;cursor:pointer}.menu-item:hover,.menu-item.active{background-color:#dbeafe;border-color:#2563eb;color:#000}.menu-icon{width:20px;height:20px;margin-right:12px;display:flex;align-items:center;justify-content:center;color:inherit}.sidebar-footer{margin-top:auto}.school-selector{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background-color:#fff;border:none;border-radius:8px;font-weight:700;font-size:14px;color:#000;cursor:pointer;box-shadow:0 2px 4px #0000000d}@media(max-width:768px){.app-sidebar{display:none}}.app-layout{min-height:100vh;display:flex;flex-direction:column}body.dark .app-layout{background-color:#111827}.app-layout.layout-centered{background:linear-gradient(180deg,#2563eb,#93c5fd 60%,#daeefe)}body.dark .app-layout.layout-centered{background:linear-gradient(180deg,#111827,#1f2937)}.app-main{margin-left:260px;margin-top:64px;min-height:calc(100vh - 64px);padding:24px;box-sizing:border-box;width:auto}.app-main.centered{display:flex;align-items:center;justify-content:center}@media(max-width:768px){.app-main{margin-left:0}}.app-sidebar{--sidebar-bg: #eaf6ff;--sidebar-border: none;--menu-item-bg: transparent;--menu-item-border: #60a5fa;--menu-item-text: #000000;--menu-item-hover-bg: #dbeafe;--menu-item-hover-border: #2563eb;--menu-item-hover-text: #000000;--menu-icon-color: inherit;--footer-bg: white;--footer-border: none;--footer-text: #000000;--footer-shadow: 0 2px 4px rgba(0, 0, 0, .05);background-color:var(--sidebar-bg)!important;transition:background-color .3s ease,border-color .3s ease,color .3s ease}.app-sidebar[data-theme=dark]{border-right:1px solid #374151!important;--sidebar-bg: #111827;--menu-item-bg: rgba(255, 255, 255, .05);--menu-item-border: #374151;--menu-item-text: #f3f4f6;--menu-item-hover-bg: #1f2937;--menu-item-hover-border: #60a5fa;--menu-item-hover-text: #ffffff;--menu-icon-color: #9ca3af;--footer-bg: #1f2937;--footer-border: 1px solid #374151;--footer-text: #f3f4f6;--footer-shadow: 0 4px 6px -1px rgba(0, 0, 0, .5)}.app-sidebar .menu-item{background-color:var(--menu-item-bg)!important;border:1px solid var(--menu-item-border)!important;color:var(--menu-item-text)!important}.app-sidebar .menu-item:hover,.app-sidebar .menu-item.active{background-color:var(--menu-item-hover-bg)!important;border-color:var(--menu-item-hover-border)!important;color:var(--menu-item-hover-text)!important}.app-sidebar .menu-icon{color:var(--menu-icon-color)!important}.app-sidebar .school-selector{background-color:var(--footer-bg)!important;border:var(--footer-border)!important;color:var(--footer-text)!important;box-shadow:var(--footer-shadow)!important}.app-sidebar .school-selector svg{stroke:currentColor}.theme-toggle-container{background-color:var(--toggle-bg, #f3f4f6);border:1px solid var(--toggle-border, #e5e7eb);border-radius:99px;padding:4px;display:inline-flex;position:relative;width:100%;box-sizing:border-box}[data-theme=dark] .theme-toggle-container{--toggle-bg: #1f2937;--toggle-border: #374151}.theme-toggle-option{flex:1;border:none;background:transparent;color:var(--toggle-text, #6b7280);padding:6px 12px;font-size:13px;font-weight:500;cursor:pointer;border-radius:99px;transition:color .2s ease;z-index:2;text-align:center;outline:none;position:relative}[data-theme=dark] .theme-toggle-option{--toggle-text: #9ca3af}.theme-toggle-option.active{color:var(--toggle-active-text, #ffffff)}.theme-toggle-slider{position:absolute;top:4px;bottom:4px;border-radius:99px;background-color:var(--toggle-active-bg, #3b82f6);transition:transform .2s cubic-bezier(.4,0,.2,1);z-index:1;width:calc((100% - 8px) / 3)}.theme-toggle-option:not(.active):hover{color:var(--toggle-hover-text, #111827)}[data-theme=dark] .theme-toggle-option:not(.active):hover{color:#e5e7eb}#root{height:100%;width:100%}.app-root{min-height:100vh;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}.app-title{font-size:2rem;font-weight:600;margin:0}.app-subtitle{margin-top:8px;color:#555;font-size:.95rem}