/* Existing native-dialog pattern, top aligned on every viewport. */
#location-sheet.city-picker[open] {
    position: fixed; inset: 0; margin: 0; display: flex;
    align-items: flex-start; justify-content: center;
    width: 100%; max-width: none; height: 100dvh; max-height: none;
    padding: max(12px, env(safe-area-inset-top)) 12px 12px;
    border: 0; background: transparent; overflow: hidden; box-sizing: border-box;
}
#location-sheet.city-picker::backdrop {
    background: rgba(15,23,42,.48); backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.city-picker > .city-picker__panel {
    width: min(560px,100%); max-height: calc(100dvh - 24px);
    margin: 0; padding: 24px; border: 0; border-radius: 22px;
    background: var(--sb-theme-surface,#fff); color:var(--sb-color-text); overflow-y: auto; overscroll-behavior: contain;
    box-sizing: border-box; box-shadow: 0 20px 70px rgba(15,23,42,.18);
}
.city-picker .sheet-head { align-items: center; margin-bottom: 18px; }
.city-picker .sheet-head h2 { margin: 0; font-size:var(--sb-type-section-size); }
.city-picker .icon-button { font-family:var(--sb-font-family); font-size:var(--sb-type-control-size); cursor: pointer; }
.city-picker__search {
    display: block; width: 100%; min-width: 0; height: 48px; padding: 0 16px;
    border: 0; border-radius: 14px; background: var(--sb-theme-control,#f1f5f9);
    color:var(--sb-color-text); font: inherit; box-sizing: border-box;
}
.city-picker__search:focus-visible,.city-picker__option:focus-visible {
    outline: 2px solid var(--sb-theme-line,#1b56b5); outline-offset: 3px;
}
.city-picker__hint { margin: 20px 0 10px; color:var(--sb-color-muted); font-size:var(--sb-type-caption-size); }
.city-picker__results { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
.city-picker__option {
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    min-width: 0; min-height: 60px; padding: 10px 12px; border: 0; border-radius: 12px;
    background: var(--sb-theme-surface,#f8fafc); color:var(--sb-color-text); text-decoration: none; font-size:var(--sb-type-card-size); line-height:var(--sb-type-card-leading);
}
.city-picker__option > span:first-child { min-width: 0; overflow-wrap: anywhere; }
.city-picker__option small { display: block; margin-top: 3px; color:var(--sb-color-muted); font-size:var(--sb-type-caption-size); font-weight:var(--sb-type-caption-weight); }
.city-picker__option:hover { background: var(--sb-theme-control,#f1f5f9); text-decoration: none; }
.city-picker__option[aria-current] { color: var(--sb-theme-warning,#d97706); }
.city-picker__check { visibility: hidden; flex-shrink: 0; }
.city-picker__option[aria-current] .city-picker__check { visibility: visible; }
.city-picker__empty { margin: 16px 0; color:var(--sb-color-muted); }
.city-picker [hidden] { display: none !important; }
@media(max-width:480px) {
    .city-picker > .city-picker__panel { padding: 18px; }
    .city-picker .sheet-head h2 { font-size:var(--sb-type-section-size); }
    .city-picker__option { font-size:var(--sb-type-body-size); padding: 9px; }
}
@media(prefers-reduced-motion:no-preference) {
    .city-picker[open] .city-picker__panel { animation: city-picker-enter .16s ease-out; }
    @keyframes city-picker-enter { from { opacity:0; transform:translateY(-8px); } to { opacity:1; transform:none; } }
}

.app-header button[data-open-city-picker] {
    display: flex; align-items: center; gap: 8px; border: 0;
    padding: 8px 0; background: transparent; color:var(--sb-color-muted);
    font: inherit; font-weight:var(--sb-type-control-weight); cursor: pointer;
}
.app-header [data-open-city-picker] [data-location-label] {
    max-inline-size: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}