.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: auto;
    padding: 24px 32px;
    border-bottom: 1px solid var(--line);
}
.site-header nav {
    display: flex;
    gap: 24px;
    align-items: center;
}
.site-header .brand {
    font-size: 26px;
    font-weight: 700;
    color: var(--accent);
}
.site-header button {
    background: transparent;
    color: inherit;
    border: 0;
    font-size: 24px;
    cursor: pointer;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}
.site-header nav a,
.site-header button {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.site-header button {
    min-width: 44px;
    justify-content: center;
}
main {
    max-width: 1200px;
    margin: auto;
    padding: 64px 32px;
}
.hero {
    max-width: 650px;
    margin: 40px auto;
}
.hero h1 {
    font-size: clamp(40px, 7vw, 72px);
}
.hero p {
    margin: 24px 0;
}
.hero form {
    display: grid;
    gap: 16px;
}
.hero input {
    width: 100%;
}
#error {
    color: var(--accent);
}
.game-feedback:not([hidden]) {
    display: block;
    margin: 0 0 20px;
    padding: 16px 18px;
    border: 1px solid #e8b65a;
    border-left: 4px solid #e8b65a;
    border-radius: 12px;
    background: #30271b;
    color: #ffe0a3 !important;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.55;
}
[data-theme="light"] .game-feedback {
    background: #fff4db;
    color: #66420a !important;
    border-color: #a76c14;
}
.question-interpretation:not([hidden]) {
    margin-bottom: 16px;
    padding: 12px 16px;
    border-left: 3px solid var(--accent);
    color: var(--text);
    line-height: 1.5;
}
.answer-context {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: var(--muted);
    line-height: 1.45;
}
@media (max-width: 640px) {
    main {
        padding: 32px 20px;
    }
    .site-header {
        padding: 20px;
    }
    .site-header nav {
        gap: 14px;
    }
    .site-header .brand {
        font-size: 20px;
    }
}
@media (max-width: 480px) {
    .site-header {
        padding: 16px;
        height: 80px;
        gap: 12px;
    }
    .brand {
        gap: 8px;
    }
    .brand img {
        width: 34px;
        height: 34px;
    }
    .site-header .brand {
        font-size: 18px;
    }
    .site-header nav {
        gap: 8px;
    }
    .site-header nav > a:first-child,
    .nav-label {
        display: none;
    }
    .ms-composer textarea {
        min-height: 110px;
    }
    .ms-composer {
        position: relative;
    }
    .game-title-row h1 {
        font-size: 34px;
    }
}
@media (max-width: 640px) {
    main {
        padding: 24px 20px;
    }
    .ms-layout {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .puzzle-overview {
        display: contents;
    }
    .puzzle-overview > * {
        width: 100%;
    }
    .puzzle-overview > .eyebrow {
        order: 1;
    }
    .game-title-row {
        order: 2;
    }
    .ms-progress {
        order: 3;
        margin: 4px 0 !important;
    }
    .puzzle-meta {
        order: 4;
    }
    .game-status {
        order: 5;
        margin: 0 !important;
    }
    .solution-panel {
        order: 6;
    }
    .ms-composer {
        order: 7;
        width: 100%;
        margin-top: 8px;
        padding: 18px;
    }
    .registration-hint {
        order: 8;
        width: 100%;
        margin: 8px 0 0;
        padding: 12px;
    }
    .ms-timeline {
        order: 9;
        width: 100%;
        margin-top: 14px;
    }
    .ms-composer .composer-intro {
        margin-bottom: 16px;
    }
    .ms-composer .segmented {
        margin-bottom: 16px;
    }
    .ms-composer .field textarea {
        min-height: 100px;
    }
    .ms-composer .input-meta {
        margin-top: 8px;
    }
    .ms-composer .mt-20 {
        margin-top: 16px;
    }
    .game-after {
        margin-top: 24px;
    }
    .ms-composer input,
    .ms-composer textarea {
        font-size: 16px;
    }
}