.app-container{flex-direction:column;min-height:100vh;display:flex}.app-header{background-color:var(--pico-primary);color:var(--pico-primary-inverse);padding:.6rem 1.5rem}header>nav>ul>li{color:var(--pico-primary-inverse)}.app-header nav{flex-wrap:wrap;align-items:center;gap:1rem;display:flex}article>header>h1,h2,h3,h4,h5,h6{margin-bottom:0}.app-header h2{color:#fff;flex:1;margin:0;font-size:1.1rem}.app-main{flex:1;width:100%;margin:0;padding:1rem}.app-footer{margin-top:auto}html,body{min-height:100vh}@media (width>=576px){:root{--pico-font-size:100%}}.container.card{border-radius:8px;max-width:450px;margin:2rem auto;padding:2rem;box-shadow:0 2px 8px #0000001a}.card-section{background-color:var(--pico-card-background-color,#fff);border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius,.5rem);margin-bottom:1.5rem;padding:1.5rem;box-shadow:0 1px 3px #0000000f}.readonly-field{cursor:not-allowed;background-color:var(--pico-color-gray-100,#f5f5f5)!important;color:var(--pico-muted-color)!important;border-color:var(--pico-muted-border-color)!important}.course-slot{background-color:var(--pico-card-background-color,#fff);border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius,.5rem);margin-bottom:1rem;padding:1.25rem}.course-slot>header{border-bottom:1px solid var(--pico-muted-border-color);margin-bottom:1rem;padding-bottom:.5rem;font-size:1rem;font-weight:600}.course-option{border-radius:4px;align-items:center;gap:.75rem;padding:.6rem .5rem;transition:background-color .15s;display:flex}.course-option:hover{background-color:var(--pico-color-gray-50,#f9f9f9)}.course-option.disabled{opacity:.5;cursor:not-allowed}.course-option.disabled:hover{background-color:#0000}.unavailable-badge{background-color:var(--pico-color-red-100,#fee2e2);color:var(--pico-color-red-600,#dc2626);border-radius:9999px;margin-left:.75rem;padding:.2rem .6rem}.course-option input[type=radio]{flex-shrink:0;margin:0}.course-option .course-name{font-weight:600}.alert-error{background-color:var(--pico-color-red-50,#fef2f2);border:1px solid var(--pico-color-red-200,#fecaca);color:var(--pico-color-red-800,#991b1b);border-radius:var(--pico-border-radius,.5rem);margin-bottom:1rem;padding:1rem}.modal-overlay{z-index:1000;background-color:#0006;justify-content:center;align-items:center;padding:1rem;display:none;position:fixed;inset:0}.modal-card{background-color:var(--pico-card-background-color,#fff);border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius,.5rem);text-align:left;width:100%;max-width:420px;padding:1.75rem;position:relative;box-shadow:0 4px 12px #00000026}.info-button{cursor:pointer;color:var(--pico-primary);vertical-align:middle;background:0 0;border:none;justify-content:center;align-items:center;margin:0;padding:0;line-height:1;display:inline-flex}.info-button svg{flex-shrink:0;width:1em;height:1em;display:block}.modal-close{cursor:pointer;color:var(--pico-muted-color);background:0 0;border:none;padding:.25rem;font-size:1.1rem;line-height:1;position:absolute;top:.75rem;right:.75rem}@media print{.app-header,.app-footer,.user-menu,button,input[type=submit],input[type=button]{display:none!important}.app-container{min-height:auto}.app-main{padding:0}.card-section{box-shadow:none;break-inside:avoid;border:1px solid #ccc}}