:root {
    --demo-ink: #14181d;
    --demo-paper: #ffffff;
    --demo-line: #e3e6ea;
    --demo-shadow: 0 6px 24px rgba(20, 24, 29, .12);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--demo-ink);
}

/* inline-независимо от порядка стилей: карта всегда во весь экран */
#map {
    position: absolute;
    inset: 0;
}

.panel {
    position: absolute;
    z-index: 2;
    background: var(--demo-paper);
    border-radius: 12px;
    box-shadow: var(--demo-shadow);
}

.panel--top {
    top: 16px;
    left: 16px;
    padding: 14px 18px;
    max-width: 380px;
}

.panel--top h1 {
    margin: 0;
    font-size: 1.05rem;
    letter-spacing: -.01em;
}

.panel--top p {
    margin: 6px 0 0;
    font-size: .82rem;
    color: #5c6673;
    line-height: 1.4;
}

.panel--slices {
    top: 120px;
    left: 16px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 168px;
}

.panel--slices button {
    appearance: none;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--demo-ink);
    font: inherit;
    font-size: .88rem;
    text-align: left;
    padding: 9px 12px;
    cursor: pointer;
}

.panel--slices button:hover { background: #f2f4f6; }

.panel--slices button.is-active {
    background: var(--demo-ink);
    color: #fff;
}

.loader {
    position: absolute;
    z-index: 3;
    left: 50%;
    top: 24px;
    transform: translateX(-50%);
    background: var(--demo-paper);
    border-radius: 999px;
    box-shadow: var(--demo-shadow);
    padding: 8px 16px;
    font-size: .82rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* display:flex выше [hidden] по специфичности — иначе плашка не прячется. */
.loader[hidden] { display: none; }

.loader__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--demo-ink);
    animation: demo-pulse 1s ease-in-out infinite;
}

@keyframes demo-pulse {
    0%, 100% { opacity: .25; }
    50% { opacity: 1; }
}

.unit-marker {
    background: var(--demo-paper);
    border-radius: 8px;
    box-shadow: var(--demo-shadow);
    padding: 6px 10px;
    font-size: .78rem;
    white-space: nowrap;
    cursor: pointer;
    border: 1px solid var(--demo-line);
}

.unit-marker:hover { border-color: var(--demo-ink); }

.units {
    width: min(1200px, 92vw);
    height: min(820px, 88vh);
    padding: 0;
    border: 0;
    border-radius: 14px;
    box-shadow: var(--demo-shadow);
    overflow: hidden;
}

.units::backdrop { background: rgba(20, 24, 29, .45); }

.units iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.units__close {
    position: absolute;
    top: 10px;
    right: 14px;
    z-index: 2;
    width: 32px;
    height: 32px;
    border: 0;
    border-radius: 50%;
    background: var(--demo-paper);
    box-shadow: var(--demo-shadow);
    font-size: 1.3rem;
    line-height: 1;
    cursor: pointer;
}