.grade-calculator { scroll-margin-top: 90px; margin: 2rem 0; padding: clamp(1.25rem, 4vw, 2rem); border: 1px solid color-mix(in srgb, var(--brand, #557348) 32%, #fff); border-radius: 20px; background: color-mix(in srgb, var(--brand, #557348) 7%, #fff); color: var(--text, #18241e); font: inherit; }
.grade-calculator * { box-sizing: border-box; }
.grade-calculator h2 { margin: 0 0 .6rem; font: inherit; font-size: clamp(1.4rem, 4vw, 1.8rem); font-weight: 800; line-height: 1.25; }
.grade-calculator .calc-eyebrow { margin: 0 0 .5rem; font-size: .75rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.grade-calculator .calc-intro { margin: 0 0 1.5rem; font-size: .98rem; line-height: 1.6; }
.grade-calculator .calc-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.grade-calculator label { display: block; margin-bottom: 1rem; font-size: .95rem; font-weight: 700; }
.grade-calculator input, .grade-calculator select { display: block; width: 100%; min-height: 50px; margin-top: .5rem; padding: .75rem; border: 1px solid #839087; border-radius: 8px; background: #fff; color: #18241e; font: inherit; }
.grade-calculator label small { display: block; margin-top: .25rem; font-size: .8rem; font-weight: 400; }
.grade-calculator :is(input, select, button):focus-visible { outline: 3px solid var(--text, #18241e); outline-offset: 3px; }
.grade-calculator .calc-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.25rem 0; }
.grade-calculator button { min-height: 44px; padding: .65rem 1.1rem; border: 1px solid #18241e; border-radius: 8px; background: #18241e; color: #fff; font: inherit; font-size: .95rem; font-weight: 700; cursor: pointer; }
.grade-calculator .calc-secondary { background: transparent; color: var(--text, #18241e); border-color: #839087; }
.grade-calculator button:disabled { opacity: .45; cursor: default; }
.grade-calculator output { display: block; min-height: 142px; padding: 1.2rem; border: 1px solid #e3e7df; border-radius: 12px; background: #fff; color: #18241e; }
.grade-calculator output span { display: block; font-size: .85rem; overflow-wrap: anywhere; }
.grade-calculator output strong { display: block; margin: .2rem 0; font-size: clamp(2rem, 6vw, 2.75rem); line-height: 1.25; font-variant-numeric: tabular-nums; }
.grade-calculator .calc-note { margin: .85rem 0 0; font-size: .85rem; line-height: 1.6; }
.grade-calculator .calc-error { color: #a31818; font-size: .9rem; }
.grade-calculator [hidden] { display: none !important; }
.grade-calculator fieldset { min-width: 0; margin: 0 0 1rem; padding: 1rem; border: 1px solid #d6dcd0; border-radius: 10px; }
.grade-calculator legend { float: none; width: auto; padding: 0 .4rem; font-size: .9rem; font-weight: 700; }
.grade-calculator [data-remove] { padding: .4rem .75rem; font-size: .8rem; }
@media (max-width: 520px) { .grade-calculator .calc-fields { grid-template-columns: 1fr; gap: 0; } }
.grade-calculator { margin: 0; min-height: calc(100vh - 24px); }