body { margin: 0; }
.credential-value { overflow-wrap: anywhere; word-break: break-all; }

#components-reconnect-modal { display: none; position: fixed; inset: 0; z-index: 2000; place-items: center; padding: 24px; background: rgb(24 18 55 / 55%); backdrop-filter: blur(5px); }
#components-reconnect-modal.components-reconnect-show,
#components-reconnect-modal.components-reconnect-failed,
#components-reconnect-modal.components-reconnect-rejected { display: grid; }
.reconnect-card { width: min(100%, 420px); padding: 30px; border-radius: 18px; background: white; color: #27233a; box-shadow: 0 18px 55px rgb(20 12 60 / 30%); text-align: center; }
.reconnect-card img { width: 72px; height: 72px; border-radius: 17px; }
.reconnect-card h2 { margin: 16px 0 8px; }
.reconnect-card p { margin: 0 0 18px; color: #625b73; line-height: 1.5; }
.reconnect-card button { width: 100%; margin-top: 9px; padding: 11px 16px; border: 0; border-radius: 10px; color: white; background: #3f2bdc; font: inherit; font-weight: 650; cursor: pointer; }
.reconnect-card #components-reconnect-reload-button { background: #655d75; }
.reconnect-failed,.reconnect-rejected,#components-reconnect-reload-button { display: none; }
#components-reconnect-modal.components-reconnect-failed .reconnect-connecting,
#components-reconnect-modal.components-reconnect-rejected .reconnect-connecting { display: none; }
#components-reconnect-modal.components-reconnect-failed .reconnect-failed,
#components-reconnect-modal.components-reconnect-failed #components-reconnect-reload-button,
#components-reconnect-modal.components-reconnect-rejected .reconnect-rejected,
#components-reconnect-modal.components-reconnect-rejected #components-reconnect-reload-button { display: block; }
#components-reconnect-modal.components-reconnect-rejected #components-reconnect-button { display: none; }

html { color-scheme: light; background: #f6f7fb; }
.app-header { border-bottom: 1px solid var(--mud-palette-divider); }
.app-header .mud-toolbar { gap: 8px; }
.app-header .mud-link { flex-shrink: 0; font-weight: 700; letter-spacing: -.03em; }
.nav-action { white-space: nowrap; text-transform: none; }
.page-container { padding-top: 36px; padding-bottom: 36px; }
.page-title { font-weight: 700; letter-spacing: -.035em; }
.empty-state { padding: 48px 24px; text-align: center; border: 1px solid var(--mud-palette-divider); }
.empty-state .mud-typography-body2 { color: var(--mud-palette-text-secondary); max-width: 340px; margin-inline: auto; }
@media (max-width: 600px) {
    .nav-label { display: none; }
    .nav-action { min-width: 44px; min-height: 44px; padding: 10px; }
    .nav-action .mud-button-icon-start { margin: 0; }
    .app-header .mud-toolbar { padding-inline: 16px; gap: 4px; }
    .page-container { padding-top: 24px; padding-bottom: 24px; }
    .page-title { font-size: 1.85rem; }
}
@media (prefers-color-scheme: dark) {
    html { color-scheme: dark; background: #12131a; }
    .reconnect-card { background: #1c1d28; color: #eeedf5; }
    .reconnect-card p { color: #bcb9ce; }
}
.registration-form { display: grid; gap: 18px; }
.registration-form label { display: grid; gap: 6px; }
.registration-form input { width: 100%; padding: 12px; border: 1px solid var(--mud-palette-divider); border-radius: 8px; color: var(--mud-palette-text-primary); background: var(--mud-palette-surface); font: inherit; }

.copy-link-control { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-block: 12px; }
.copy-link-button { min-height: 44px; padding: 8px 16px; border: 1px solid currentColor; border-radius: 8px; background: transparent; color: var(--mud-palette-primary); font: inherit; cursor: pointer; }
.copy-link-button:disabled { opacity: .6; cursor: wait; }
.copy-link-button:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }

.reset-link-box { margin-top: 4px; padding: 12px 14px; border: 1px solid var(--mud-palette-divider); border-radius: 8px; background: var(--mud-palette-background); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; line-height: 1.5; user-select: all; }
/* MudTable collapses into label/value cards on phones; let values shrink so long ones wrap. */
.mud-table-cell > * { min-width: 0; }

/* Saturated green with white text in both themes: pastel accents get repainted grey by the
   "force dark" modes of some Android browsers (Xiaomi, Samsung), making the button look disabled. */
.open-door-button { min-height: 56px; font-size: 1.05rem; font-weight: 700; letter-spacing: .02em; text-transform: none; }
.open-door-button:enabled { background-color: #15803d !important; color: #fff !important; box-shadow: 0 6px 18px rgba(21, 128, 61, .4); }
.open-door-button:enabled:hover { background-color: #166534 !important; }
.open-door-button:enabled .mud-icon-root { color: #fff; }

/* Pages that render <div class="wide-page"> get the full desktop width for tables. */
.page-container:has(.wide-page) { max-width: 1400px; }
.users-table .user-name { font-weight: 600; }
.users-table .user-email { font-size: .8rem; color: var(--mud-palette-text-secondary); }
.users-table .user-summary { font-size: .8rem; margin-top: 2px; color: var(--mud-palette-text-secondary); }
.users-table .user-warning { color: var(--mud-palette-warning); }
.users-table .mud-table-cell { vertical-align: middle; }

/* Administration: building cards, section tiles, stats, apartment grid. */
.building-card, .section-tile, .apartment-tile { color: inherit; text-decoration: none; }
.building-card-body { height: 100%; transition: border-color .15s, box-shadow .15s; }
.building-card:hover .building-card-body, .building-card:focus-visible .building-card-body { border-color: var(--mud-palette-primary); box-shadow: 0 4px 16px rgba(var(--mud-palette-primary-rgb), .15); }
.building-card-name { font-weight: 700; }
.building-card-stats { display: grid; gap: 6px; font-size: .875rem; color: var(--mud-palette-text-secondary); }
.building-card-stats > span { display: flex; align-items: center; gap: 8px; }
.status-dot { display: inline-block; flex: none; width: 10px; height: 10px; margin-inline: 3px; border-radius: 50%; background: var(--mud-palette-text-disabled); }
.status-dot.online { background: var(--mud-palette-success); box-shadow: 0 0 0 3px rgba(var(--mud-palette-success-rgb), .2); }
.status-dot.partial { background: var(--mud-palette-warning); }
.status-dot.offline { background: var(--mud-palette-error); }
.section-tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.section-tile { display: flex; align-items: center; gap: 14px; padding: 16px; border: 1px solid var(--mud-palette-lines-default); border-radius: 14px; background: var(--mud-palette-surface); transition: border-color .15s; }
.section-tile:hover, .section-tile:focus-visible { border-color: var(--mud-palette-primary); }
.section-tile span { display: grid; gap: 2px; }
.section-tile small { color: var(--mud-palette-text-secondary); }
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.stat { display: grid; padding: 12px 16px; border: 1px solid var(--mud-palette-lines-default); border-radius: 14px; background: var(--mud-palette-surface); }
.stat-value { font-size: 1.6rem; font-weight: 700; line-height: 1.2; }
.stat-label { font-size: .8rem; color: var(--mud-palette-text-secondary); }
.apartment-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; }
.apartment-tile { display: grid; gap: 2px; padding: 10px 12px; border: 1px solid var(--mud-palette-lines-default); border-radius: 10px; background: var(--mud-palette-surface); transition: border-color .15s; }
.apartment-tile:hover, .apartment-tile:focus-visible { border-color: var(--mud-palette-primary); }
.apartment-number { font-size: 1.15rem; font-weight: 700; }
.apartment-count { display: flex; align-items: center; gap: 4px; font-size: .75rem; color: var(--mud-palette-text-secondary); }
.apartment-tile.empty { border-style: dashed; }
.apartment-tile.empty .apartment-number { color: var(--mud-palette-text-secondary); }
@media (max-width: 600px) {
    .stat-row { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .stat { padding: 8px 12px; }
    .stat-value { font-size: 1.25rem; }
    .apartment-grid { grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); gap: 6px; }
    .apartment-tile { padding: 8px; }
    .apartment-number { font-size: 1rem; }
    /* Three tabs must fit a phone: drop icons and badges, share the width. */
    .building-tabs .mud-tab { flex: 1 1 0; padding-inline: 4px; }
    .building-tabs .mud-tab .mud-icon-root, .building-tabs .mud-tab .mud-badge-root .mud-badge { display: none; }
    .building-tabs .mud-tabs-scroll-button { display: none; }
}

/* System administration. */
.system-nav { display: flex; flex-wrap: wrap; gap: 8px; }
.metric-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.metric-tile { display: grid; gap: 6px; padding: 14px 16px; border: 1px solid var(--mud-palette-lines-default); border-radius: 14px; background: var(--mud-palette-surface); }
.metric-tile.warning { border-color: var(--mud-palette-warning); }
.metric-tile.error { border-color: var(--mud-palette-error); }
.metric-label { font-size: .8rem; color: var(--mud-palette-text-secondary); }
.metric-value { font-size: 1.7rem; font-weight: 700; line-height: 1.1; }
.metric-detail { font-size: .8rem; color: var(--mud-palette-text-secondary); }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 8px 24px; margin: 0; }
.facts dt { color: var(--mud-palette-text-secondary); }
.facts dd { margin: 0; }
@media (max-width: 600px) {
    .metric-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .metric-value { font-size: 1.35rem; }
    .facts { grid-template-columns: 1fr; gap: 2px; }
    .facts dd { margin-bottom: 8px; }
}
.credential-fields { display: grid; gap: 4px; }
.credential-field .copy-link-control { margin-block: 6px 10px; }
.credential-label { font-size: .8rem; font-weight: 600; color: var(--mud-palette-text-secondary); }
.setup-steps { margin: 12px 0; padding-left: 20px; line-height: 1.7; }
.learn-key-state, .connection-check { display: grid; justify-items: center; text-align: center; padding-block: 12px; }
.connection-check.online { border-color: var(--mud-palette-success); }
.wizard-steps { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 0; padding: 0; list-style: none; color: var(--mud-palette-text-secondary); }
.wizard-steps li { display: flex; align-items: center; gap: 8px; }
.wizard-steps li span { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; border: 2px solid currentColor; font-size: .8rem; font-weight: 700; }
.wizard-steps li.active { color: var(--mud-palette-primary); font-weight: 600; }
.wizard-steps li.done { color: var(--mud-palette-success); }
.wizard-steps li.done span { background: var(--mud-palette-success); border-color: var(--mud-palette-success); color: var(--mud-palette-success-text); }
.firmware-card.latest { border-color: var(--mud-palette-primary); }
.firmware-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
.firmware-downloads { display: grid; gap: 4px; align-content: start; }
.firmware-card summary { cursor: pointer; font-size: .85rem; }

/* Pinned to the bottom: the app bar is fixed at the top and would cover it. */
#legacy-browser-hint { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 1400; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; padding: 12px 14px; border-radius: 12px; background: #eef2ff; color: #312e81; box-shadow: 0 8px 24px rgba(15, 23, 42, .25); font: 14px/1.4 system-ui, sans-serif; }
#legacy-browser-hint[hidden] { display: none; }
#legacy-browser-hint span { flex: 1 1 220px; }
#legacy-browser-hint a { padding: 6px 12px; border-radius: 8px; background: #4f46e5; color: #fff; font-weight: 600; text-decoration: none; }
#legacy-browser-hint button { border: 0; background: none; color: inherit; font-size: 20px; line-height: 1; cursor: pointer; }
.open-door-form { width: 100%; margin: 0; }
.share-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-block: 12px; }
.share-actions .copy-link-control { margin: 0; }
.share-button { display: none; min-height: 44px; padding: 8px 20px; border: 0; border-radius: 8px; background: #15803d; color: #fff; font: inherit; font-weight: 700; cursor: pointer; }
.can-share .share-button { display: inline-block; }
.choice-row { display: flex; flex-wrap: wrap; gap: 8px; }
.choice-row .mud-chip { margin: 0; }
.guest-summary { padding: 12px 14px; border-radius: 10px; background: rgba(var(--mud-palette-primary-rgb), .08); }
.guest-link-card { display: grid; gap: 6px; }