/* Seasonal decoration and localized streetlamp light. All layers ignore pointer input. */
body { --lamp-power: 1; --lamp-intensity: 1; }
.winter-garland { display: none; }
.winter-season .winter-garland { display: flex; }
.winter-snow, .streetlamp-light { position: fixed; inset: 0; pointer-events: none; overflow: hidden; }
.winter-snow { z-index: 40; display: none; }
.winter-season .winter-snow { display: block; }
.snowflake { position: absolute; top: -24px; left: var(--snow-x); width: var(--snow-size); height: var(--snow-size); color: #d9f0f8; opacity: 0; animation: snowfall var(--snow-duration) var(--snow-delay) linear infinite; }
.snowflake svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.35; }
.snowflake.snow-dot { border-radius: 50%; background: #e5f5ff; }
@keyframes snowfall {
    0% { transform: translate3d(0, -24px, 0) rotate(0deg); opacity: 0; }
    8% { opacity: var(--snow-opacity); }
    90% { opacity: var(--snow-opacity); }
    100% { transform: translate3d(var(--snow-drift), calc(100vh + 48px), 0) rotate(150deg); opacity: 0; }
}
.sidebar-season { display: none; margin-top: auto; padding-top: 24px; text-align: center; pointer-events: none; }
.winter-season .sidebar-season { display: grid; justify-items: center; gap: 6px; }
.sidebar-season img { display: block; width: 144px; height: 180px; object-fit: contain; }
.sidebar-season span { color: #afc5cf; font-size: 11px; letter-spacing: .09em; }
.streetlamp-light { z-index: -2; display: none; }
.lamp-enabled .streetlamp-light { display: block; }
.streetlamp-halo { position: absolute; left: var(--lamp-x); top: var(--lamp-y); width: var(--lamp-width); height: var(--lamp-height); transform: translate(-50%, -25%); background: radial-gradient(ellipse at 50% 28%, rgb(255 198 120 / calc(.196 * var(--lamp-intensity))) 0, rgb(255 187 100 / calc(.125 * var(--lamp-intensity))) 18%, rgb(223 157 70 / calc(.043 * var(--lamp-intensity))) 45%, transparent 69%); opacity: var(--lamp-power); }
.streetlamp-bulb { position: absolute; left: var(--lamp-x); top: var(--lamp-y); width: 30px; height: 30px; transform: translate(-50%, -50%); background: radial-gradient(circle, rgb(255 228 174 / calc(.44 * var(--lamp-intensity))) 0, rgb(255 203 98 / calc(.2 * var(--lamp-intensity))) 24%, transparent 70%); opacity: var(--lamp-power); }
.streetlamp-shade { position: absolute; left: var(--lamp-x); top: var(--lamp-y); width: 140px; height: 180px; transform: translate(-50%, -35%); background: radial-gradient(ellipse at 50% 35%, #091319ba, #0c161b50 37%, transparent 70%); opacity: calc((1 - var(--lamp-power)) * .8 * var(--lamp-intensity)); }
.lamp-enabled .lamp-lit { --text: color-mix(in srgb, #ffe1b0 calc(var(--lamp-tint) * var(--lamp-power) * var(--lamp-intensity)), #e4e9ea); --muted: color-mix(in srgb, #d9b98b calc(var(--lamp-tint) * var(--lamp-power) * var(--lamp-intensity)), #8f9da4); }
.lamp-enabled .lamp-lit:not(.nav-item) { color: var(--text); }
.lamp-enabled .lamp-lit :is(h1, h2, h3), .lamp-enabled .brand.lamp-lit { text-shadow: 0 0 18px rgb(255 197 112 / calc(var(--lamp-glow) * var(--lamp-power) * var(--lamp-intensity))); }
.lamp-enabled .nav-item.lamp-lit:not(.active):not(:hover) { color: color-mix(in srgb, #ffdfaa calc(var(--lamp-tint) * var(--lamp-power) * var(--lamp-intensity)), #a9b5bc); }
.lamp-enabled :is(.panel, .home-topic-list .topic-row, .home-visitors .recent-visitor).lamp-lit { border-top-color: color-mix(in srgb, #d3a66d calc(var(--lamp-tint) * var(--lamp-power) * var(--lamp-intensity)), #314049); }
.effects-paused .snowflake, .effects-paused .winter-garland i { animation-play-state: paused; }
.appearance-panel { max-width: 820px; }
.appearance-form { display: grid; gap: 22px; }
.appearance-option { display: flex; align-items: center; gap: 18px; padding-bottom: 22px; border-bottom: 1px solid var(--line, #ffffff12); cursor: pointer; }
.appearance-option > input { appearance: none; -webkit-appearance: none; flex: 0 0 44px; width: 44px; height: 25px; min-height: 0; margin: 0; padding: 0; border: 1px solid #60717c; border-radius: 20px; background: #29353c; cursor: pointer; position: relative; }
.appearance-option > input::after { content: ""; position: absolute; top: 3px; left: 3px; width: 17px; height: 17px; border-radius: 50%; background: #d7e0e3; transition: transform .15s; }
.appearance-option > input:checked { background: #62b7a1; border-color: #75cdb6; }
.appearance-option > input:checked::after { transform: translateX(19px); background: #0b2924; }
.appearance-option > input:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.appearance-option span { display: grid; gap: 6px; }
.appearance-option strong { font-size: 15px; }
.appearance-option small { color: var(--muted); line-height: 1.6; font-weight: 400; }
.appearance-form .button { justify-self: start; }
.appearance-hint { margin: 0; font-size: 12px; line-height: 1.7; }
.lamp-settings { min-width: 0; padding: 0; margin: 0; border: 0; }
.lamp-settings legend { padding: 0; margin-bottom: 20px; font-size: 16px; font-weight: 650; }
.lamp-settings-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px 18px; margin-top: 22px; }
.lamp-settings-grid > label { display: flex; flex-direction: column; align-items: stretch; gap: 8px; font-size: 12px; min-width: 0; }
.lamp-settings-grid input { width: 100%; min-width: 0; }
.lamp-settings-grid small { font-size: 11px; font-weight: 400; line-height: 1.5; }
.lamp-settings-grid .field-validation-error { color: var(--danger); font-size: 12px; font-weight: 400; }
.lamp-preview-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 24px; }
.lamp-preview-actions [role=status] { flex: 1 1 200px; font-size: 12px; line-height: 1.6; }
@media (max-width: 700px) { .lamp-settings-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 420px) { .lamp-settings-grid { grid-template-columns: 1fr; } }
@media (max-height: 820px) { .sidebar-season { padding-top: 12px; } .sidebar-season img { width: 112px; height: 140px; } }
@media (max-width: 760px) { .snowflake:nth-child(n + 13) { display: none; } }
@media (prefers-reduced-motion: reduce) {
    .winter-snow { display: none !important; }
    .winter-garland i { animation: none; }
    .appearance-option > input::after { transition: none; }
}