:root {
    --bg: #0f1720;
    --bg-soft: #151f2b;
    --stroke: #233042;
    --text: #edf2f7;
    --text-muted: #9fb0c4;
    --accent: #31a2ff;
    --accent-strong: #1684df;
    --radius: 18px;
}
* {
    box-sizing: border-box;
}
html,
body {
    margin: 0;
    min-height: 100%;
}
body {
    min-height: 100dvh;
    color: var(--text);
    font-family: "Manrope", "Segoe UI", sans-serif;
    background:
        radial-gradient(100% 100% at 80% 0%, #17263a 0%, transparent 55%),
        radial-gradient(120% 100% at 0% 100%, #111927 0%, transparent 65%),
        var(--bg);
}
.shell {
    width: min(760px, calc(100% - 24px));
    margin: 16px auto 28px;
    display: grid;
    gap: 12px;
}
.top,
.card {
    border: 1px solid var(--stroke);
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
    border-radius: var(--radius);
    padding: 16px;
}
.top-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.eyebrow {
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--accent);
    font-size: 12px;
}
.lang-switch {
    display: inline-flex;
    border: 1px solid var(--stroke);
    border-radius: 999px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.16);
}
.lang-btn {
    min-width: 52px;
    padding: 8px 10px;
    border: 0;
    background: transparent;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 12px;
    cursor: pointer;
}
.lang-btn.active {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #04111b;
}
h1 {
    margin: 8px 0 4px;
    font-size: clamp(24px, 4vw, 38px);
}
.subtitle {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.45;
}
h2 {
    margin: 0 0 12px;
    font-size: 22px;
}
.field {
    display: grid;
    gap: 6px;
    margin-bottom: 10px;
}
label {
    color: var(--text-muted);
    font-size: 14px;
}
input,
select {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--stroke);
    background: var(--bg-soft);
    color: var(--text);
    padding: 12px;
    font-size: 15px;
}
.actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.btn {
    border-radius: 999px;
    border: 1px solid var(--stroke);
    background: var(--bg-soft);
    color: var(--text);
    cursor: pointer;
    padding: 10px 14px;
    font-weight: 600;
}
.btn-primary {
    border-color: var(--accent-strong);
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #05111c;
}
.btn:active {
    transform: translateY(1px);
}
.status {
    margin: 0 0 12px;
    color: var(--text-muted);
}
.overview-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px 10px;
    margin-bottom: 12px;
    color: var(--text-muted);
    font-size: 14px;
}
#war-map-canvas {
    width: 100%;
    max-width: 420px;
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    border: 1px solid var(--stroke);
    background: #0b1016;
    image-rendering: pixelated;
}
@media (max-width: 640px) {
    .shell {
        width: calc(100% - 12px);
        margin-top: 8px;
        margin-bottom: 20px;
    }
    .top,
    .card {
        padding: 14px;
    }
    .actions {
        display: grid;
        grid-template-columns: 1fr;
    }
    .btn {
        width: 100%;
    }
    .overview-grid {
        grid-template-columns: 1fr;
    }
}