* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Georgia, serif;
    background: #f7f6f2;
    color: #1e1e1e;
    line-height: 1.75;
    padding: 2rem 1rem;
}

.page {
    max-width: 820px;
    margin: 0 auto;
}

.hero {
    background: #062dca;
    color: #fff;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    margin-bottom: 2.5rem;
    text-align: center;
}

.hero h1 {
    font-size: 2.6rem;
    letter-spacing: 2px;
    font-family: monospace;
}

.hero h1 span {
    color: #f0c030;
}

.hero p {
    margin-top: 0.6rem;
    font-size: 1.05rem;
    opacity: 0.9;
    font-family: monospace;
}

.link-row {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1.4rem;
}

.link-row a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1.1rem;
    border-radius: 8px;
    font-family: monospace;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.link-row a:hover {
    background: rgba(255, 255, 255, 0.25);
}

section {
    margin-bottom: 2.8rem;
}

h2 {
    font-size: 1.45rem;
    font-family: monospace;
    border-bottom: 2px solid #062dca;
    padding-bottom: 0.3rem;
    margin-bottom: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

h3 {
    font-size: 1.1rem;
    font-family: monospace;
    color: #062dca;
    margin: 1.4rem 0 0.4rem;
}

p {
    margin-bottom: 0.8rem;
}

pre {
    background: #1a1a26;
    color: #e8e8f0;
    border-radius: 10px;
    padding: 1.1rem 1.3rem;
    overflow-x: auto;
    font-size: 0.88rem;
    line-height: 1.6;
    margin: 0.8rem 0 1.2rem;
}

code {
    font-family: 'Courier New', monospace;
}

p code,
li code {
    background: #e8e8f8;
    padding: 0.1em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
    color: #c0392b;
}

.callout {
    border-left: 4px solid #062dca;
    background: #eef1ff;
    padding: 0.8rem 1rem;
    border-radius: 0 8px 8px 0;
    margin: 1rem 0;
    font-size: 0.95rem;
}

.callout.tip {
    border-color: #27ae60;
    background: #edfaf3;
}

.callout.warn {
    border-color: #e67e22;
    background: #fff7ee;
}

.flow {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    align-items: center;
    margin: 1.2rem 0;
}

.flow-box {
    background: #fff;
    border: 2px solid #062dca;
    border-radius: 8px;
    padding: 0.5rem 0.9rem;
    font-family: monospace;
    font-size: 0.88rem;
    text-align: center;
    min-width: 110px;
}

.flow-box.trigger {
    background: #062dca;
    color: #fff;
}

.flow-box.win {
    background: #27ae60;
    color: #fff;
    border-color: #27ae60;
}

.flow-box.draw {
    background: #e67e22;
    color: #fff;
    border-color: #e67e22;
}

.arrow {
    font-size: 1.3rem;
    color: #062dca;
    padding: 0 0.4rem;
    line-height: 1;
}

.grid-demo {
    display: grid;
    grid-template-columns: repeat(7, 38px);
    grid-template-rows: repeat(6, 38px);
    gap: 5px;
    background: #062dca;
    padding: 10px;
    border-radius: 12px;
    width: max-content;
    margin: 1rem 0;
}

.grid-cell {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #0a0a14;
}

.grid-cell.p1 {
    background: #c0392b;
    box-shadow: 0 0 8px rgba(192, 57, 43, .5);
}

.grid-cell.p2 {
    background: #f0c030;
    box-shadow: 0 0 8px rgba(240, 192, 48, .5);
}

.grid-cell.win-cell {
    outline: 3px solid #fff;
    outline-offset: -4px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.8rem 0 1.2rem;
    font-size: 0.93rem;
}

th {
    background: #062dca;
    color: #fff;
    padding: 0.55rem 0.9rem;
    text-align: left;
    font-family: monospace;
}

td {
    padding: 0.5rem 0.9rem;
    border-bottom: 1px solid #ddd;
}

tr:nth-child(even) td {
    background: #f0f0f8;
}

.step-list {
    list-style: none;
    padding: 0;
}

.step-list li {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
    margin-bottom: 0.85rem;
}

.badge {
    background: #062dca;
    color: #fff;
    font-family: monospace;
    font-size: 0.82rem;
    font-weight: bold;
    min-width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.icon {
    font-style: normal;
}

footer {
    text-align: center;
    font-family: monospace;
    font-size: 0.85rem;
    color: #888;
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid #ddd;
}

@media (max-width: 600px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .flow {
        flex-direction: column;
        align-items: flex-start;
    }

    .arrow {
        transform: rotate(90deg);
    }
}