.submit-button {
    min-height: 3.25rem;
    padding-inline: 2rem;
    border-radius: 9999px;
    font-weight: 800;
    text-transform: none;
    letter-spacing: 0.01em;
    box-shadow: 0 10px 24px rgba(233, 196, 0, 0.22);
    transition: transform 120ms ease, box-shadow 120ms ease;
}

.submit-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(233, 196, 0, 0.28);
}

.home-shell {
    width: 100%;
    max-width: 44rem;
    margin-inline: auto;
}

.hero-panel {
    padding-top: 0.5rem;
}

h2.hero-title.mud-typography {
    color: #e9c400;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.03;
}

.hero-copy {
    color: #b1c6f9;
    font-weight: 500;
}

.question-panel {
    background: rgba(30, 52, 93, 0.58);
    border: 1px solid rgba(68, 71, 79, 0.22);
    border-radius: 1rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 32px 64px rgba(10, 24, 48, 0.18);
}

.question-panel .mud-input-outlined-border {
    border-color: rgba(68, 71, 79, 0.5);
}

.question-panel .mud-input-outlined:hover .mud-input-outlined-border,
.question-panel .mud-input-outlined.mud-input-focused .mud-input-outlined-border {
    border-color: rgba(255, 225, 111, 0.66);
}

.question-input-wrapper .mud-input-adornment.mud-input-adornment-end {
    position: absolute;
    right: 0.75em;
    bottom: 1.6em;
    opacity: 0.2;
}

.section-label {
    color: #ffe16f;
    letter-spacing: 0.08em;
}

.instruction-copy {
    color: #b1c6f9;
    font-weight: 600;
    letter-spacing: 0.05em;
    opacity: 0.92;
}

.answer-row {
    background: #1a2b3d;
    border: 1px solid rgba(68, 71, 79, 0.2);
    border-radius: 1rem;
    width: 100%;
    transition: background-color 130ms ease, border-color 130ms ease;
}

.answer-row:hover {
    background: #22375a;
    border-color: rgba(68, 71, 79, 0.34);
}

.answer-row .mud-input-outlined-border {
    border-color: rgba(68, 71, 79, 0.4);
}

.answer-row .mud-input-outlined:hover .mud-input-outlined-border,
.answer-row .mud-input-outlined.mud-input-focused .mud-input-outlined-border {
    border-color: rgba(255, 225, 111, 0.58);
}

.answer-row:has(.mud-checked) {
    border-color: rgba(255, 225, 111, 0.52);
    box-shadow: inset 0 0 0 1px rgba(255, 225, 111, 0.18);
}

.answer-input-wrap {
    flex: 1 1 auto;
    width: 100%;
    min-width: 0;
}

.answer-input-wrap .mud-input {
    color: #d3e4fc;
}

.answer-input-wrap .mud-input-slot {
    font-weight: 600;
}

.answer-correct-wrap {
    flex: 0 0 auto;
    width: 7.25rem;
    justify-content: flex-end;
}

.answer-correct-wrap .mud-typography-caption {
    color: #b1c6f9;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 700;
    display: inline-block;
    width: 5.5rem;
    text-align: right;
}

.answer-correct-wrap .mud-button-root {
    width: 1.9rem;
    height: 1.9rem;
}

.answer-correct-wrap .mud-icon-root {
    font-size: 1.2rem;
}

.answer-correct-wrap .mud-checked + .mud-typography-caption,
.answer-row:has(.mud-checked) .mud-typography-caption {
    color: #ffe16f;
}

.hint-panel {
    margin-top: 0.6rem;
}

.hint-divider {
    width: 3rem;
    height: 0.26rem;
    border-radius: 999px;
    background: #253648;
}

.hint-chip-row {
    justify-content: center;
}

.hint-chip {
    color: #b1c6f9;
    border-color: rgba(177, 198, 249, 0.45);
    background: rgba(177, 198, 249, 0.08);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.62rem;
    font-weight: 700;
}

@media (max-width: 960px) {
    .home-shell {
        max-width: 100%;
    }

    .answer-correct-wrap {
        min-width: 5.5rem;
    }
}

.site-appbar {
    border-bottom: none;
    background: #031425;
}

.site-layout {
    min-height: 100vh;
}

.site-appbar .mud-typography {
    font-weight: 700;
    letter-spacing: 0.01em;
}

.site-appbar .brand-title {
    color: #e9c400 !important;
}

.site-appbar .top-link {
    color: #b1c6f9;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    min-width: auto;
    padding-inline: 0.7rem;
}

.site-appbar .top-link:hover {
    color: #e9c400;
}

.site-appbar .top-link-active {
    color: #e9c400 !important;
    box-shadow: inset 0 -2px 0 0 #e9c400;
}

.site-appbar .mud-icon-button {
    color: #d3e4fc;
}

.site-main {
    min-height: 100vh;
    padding-top: 4.25rem;
    background:
        radial-gradient(circle at 20% 0%, rgba(233, 196, 0, 0.06), rgba(233, 196, 0, 0) 40%),
        radial-gradient(circle at 78% 18%, rgba(177, 198, 249, 0.06), rgba(177, 198, 249, 0) 32%),
        radial-gradient(circle, rgba(177, 198, 249, 0.16) 0.8px, transparent 1px) 0 0 / 26px 26px,
        radial-gradient(circle, rgba(233, 196, 0, 0.14) 0.7px, transparent 1px) 13px 15px / 34px 34px,
        #031425;
}

.layout-shell {
    position: relative;
    z-index: 1;
}

@media (max-width: 960px) {
    .site-main {
        padding-top: 4rem;
    }
}