:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#18243a;background:#f5f7fb}*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;font-size:16px;line-height:1.6}main{max-width:860px;margin:10vh auto;padding:24px}h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.15}h2{font-size:1.3rem}section{background:#fff;border:1px solid #dce2ec;border-radius:12px;margin-top:40px;padding:24px}a{color:#2455cc;text-underline-offset:3px}button,.button{color:#fff;font:inherit;cursor:pointer;background:#2455cc;border:0;border-radius:8px;padding:12px 20px;font-weight:600;text-decoration:none;display:inline-block}button:disabled{opacity:.65;cursor:wait}.secondary{color:#18243a;background:#e7edf9}.row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;display:flex}.eyebrow{color:#2455cc;font-weight:600}.auth-page{max-width:520px;margin-top:5vh}.auth-page h1{font-size:2rem}.form{gap:18px;max-width:450px;display:grid}label{gap:6px;font-weight:600;display:grid}input,select{color:#18243a;width:100%;min-height:46px;font:inherit;background:#fff;border:1px solid #a9b6cd;border-radius:6px;padding:10px 12px}:focus-visible{outline-offset:3px;outline:3px solid #4578ed}.error{color:#a51e32}.success{color:#176341}small{font-size:.875rem}.badge{background:#e7edf9;border-radius:20px;padding:4px 12px;font-size:.875rem;display:inline-block}.student-list{gap:16px;margin-top:32px;display:grid}.student-card{color:inherit;overflow-wrap:anywhere;background:#fff;border:1px solid #dce2ec;border-radius:12px;padding:20px;text-decoration:none;display:block}.student-card:hover{border-color:#2455cc}.student-card h2{margin:0}textarea{width:100%;font:inherit;resize:vertical;border:1px solid #a9b6cd;border-radius:6px;padding:12px}fieldset{border:1px solid #dce2ec;border-radius:6px}.checkbox{align-items:center;gap:10px;padding:6px 0;display:flex}.checkbox input{width:18px;height:18px;min-height:18px}.calendar-page{max-width:1320px;margin-top:32px}.calendar-toolbar h2{font-size:1.1rem}.calendar-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;display:grid}.calendar-day{background:#fff;border:1px solid #dce2ec;border-radius:8px;min-width:0;padding:8px}.calendar-day h3{min-height:48px;font-size:.95rem}.calendar-cell{align-items:stretch;gap:5px;padding:3px 0;font-size:.875rem;display:flex}.calendar-cell>span{padding-top:10px}.slot{overflow-wrap:anywhere;width:100%;min-width:0;min-height:48px;padding:6px;font-size:.875rem;font-weight:400}.slot.free{color:#15492f;background:#deefe6}.slot.busy{color:#213e75;background:#e1e8f9}.slot.closed{color:#566070;background:#f4f6f9}.slot:disabled{opacity:1;cursor:default}.slot.free:disabled{color:#626b78;background:#eef1f4}.request-card{overflow-wrap:anywhere;border-bottom:1px solid #dce2ec;padding:16px 0}.request-card:last-child{border-bottom:0}.notice{background:#e8eefb;border-radius:8px;padding:16px}@media (max-width:1000px){.calendar-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:540px){.calendar-grid{grid-template-columns:1fr}.calendar-day h3{min-height:auto}main{margin:24px auto;padding:18px}section{padding:18px}}