:root {
    --bg: #f4ecdf;
    --panel: #fff9ef;
    --text: #2d251b;
    --muted: #756a5d;
    --border: #d8c8b2;
    --accent: #795b35;
    --accent-dark: #4c321b;
    --card: #fffefb;
    --shadow: rgba(45, 37, 27, 0.09);
}
* { box-sizing: border-box; }
body {
    margin: 0;
    color: var(--text);
    background: linear-gradient(160deg, #fff7ea 0%, var(--bg) 48%, #eadcc8 100%);
    font-family: Georgia, "Times New Roman", serif;
    line-height: 1.45;
}
.page {
    width: min(1120px, calc(100% - 28px));
    margin: 0 auto;
    padding: 34px 0 64px;
}
.hero {
    text-align: center;
    margin-bottom: 24px;
}
.eyebrow {
    margin: 0 0 8px;
    color: var(--accent);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-size: 0.78rem;
}
h1 {
    margin: 0;
    color: var(--accent-dark);
    font-size: clamp(2.05rem, 5.5vw, 4.15rem);
    line-height: 1.05;
    font-weight: 500;
}
.subtitle {
    max-width: 860px;
    margin: 14px auto 0;
    color: var(--muted);
    font-size: 1.05rem;
}
.toolbar,
.intro-card,
.note {
    background: rgba(255, 249, 239, 0.94);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: 0 18px 42px var(--shadow);
}
.toolbar {
    padding: 18px;
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 18px;
    align-items: end;
    margin-bottom: 18px;
}
.language-switch span {
    display: block;
    margin-bottom: 8px;
    color: var(--accent-dark);
    font-weight: 700;
}
.language-switch a {
    display: inline-block;
    margin: 0 6px 6px 0;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--accent-dark);
    text-decoration: none;
}
.language-switch a.active {
    color: #fff;
    background: var(--accent);
    border-color: var(--accent);
}
.controls {
    display: grid;
    grid-template-columns: 1fr 1fr 190px;
    gap: 14px;
}
label {
    display: grid;
    gap: 8px;
    color: var(--accent-dark);
    font-weight: 700;
}
select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 15px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    font: inherit;
}
.intro-card {
    padding: 20px 22px;
    margin-bottom: 18px;
}
.category {
    margin: 0 0 4px;
    color: var(--accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.78rem;
    font-weight: 700;
}
.intro-card h2,
.note h2 {
    margin: 0 0 6px;
    color: var(--accent-dark);
    font-size: 1.55rem;
    font-weight: 500;
}
.intro-card p,
.note p {
    margin: 0;
    color: var(--muted);
}
.hexagram-view,
.element-view {
    display: grid;
    gap: 10px;
}
.line-card,
.element-card {
    display: grid;
    grid-template-columns: 104px 1fr;
    overflow: hidden;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--card);
    box-shadow: 0 10px 22px var(--shadow);
}
.line-symbol,
.element-symbol {
    min-height: 86px;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: white;
    text-align: center;
}
.line-symbol span,
.element-symbol span {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.9;
}
.line-symbol strong {
    margin-top: 3px;
    font-size: 2.1rem;
    line-height: 1;
    font-weight: 500;
}
.element-symbol strong {
    margin-top: 5px;
    font-size: 1.02rem;
    line-height: 1.15;
    font-weight: 500;
}
.line-text {
    padding: 14px 18px;
    display: flex;
    justify-content: center;
    flex-direction: column;
}
.line-text h3 {
    margin: 0;
    color: var(--accent-dark);
    font-size: 1.28rem;
    font-weight: 600;
}
.line-text p {
    margin: 3px 0 0;
    color: var(--muted);
}
.element-card.wood .element-symbol { background: #63784a; }
.element-card.fire .element-symbol { background: #9a5339; }
.element-card.earth .element-symbol { background: #8a6b3f; }
.element-card.metal .element-symbol { background: #737373; }
.element-card.water .element-symbol { background: #405d78; }
.note {
    margin-top: 22px;
    padding: 18px 22px;
    border-left: 5px solid var(--accent);
}
@media (max-width: 900px) {
    .toolbar,
    .controls {
        grid-template-columns: 1fr;
    }
    .line-card,
    .element-card {
        grid-template-columns: 78px 1fr;
    }
    .line-symbol,
    .element-symbol {
        min-height: 78px;
    }
    .line-symbol strong {
        font-size: 1.75rem;
    }
    .element-symbol strong {
        font-size: 0.92rem;
    }
    .line-text h3 {
        font-size: 1.12rem;
    }
}