:root {
    color-scheme: light;
    --bg: #f5f7f6;
    --surface: #ffffff;
    --surface-2: #eef2f1;
    --surface-3: #e4eae8;
    --ink: #182322;
    --ink-soft: #52615f;
    --line: #d8e0de;
    --brand: #087b71;
    --brand-strong: #056158;
    --brand-soft: #dff4ef;
    --navy: #1e3447;
    --violet: #635b8f;
    --healthy: #18794e;
    --healthy-bg: #e6f6ed;
    --warning: #8a5b00;
    --warning-bg: #fff3cf;
    --critical: #b4232c;
    --critical-bg: #ffe8e9;
    --focus: #1c74d9;
    --shadow: 0 12px 32px rgba(22, 43, 40, .08);
    --radius-sm: .55rem;
    --radius: .85rem;
    --radius-lg: 1.35rem;
    --content: 1180px;
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #101716;
    --surface: #17201f;
    --surface-2: #1e2a28;
    --surface-3: #263432;
    --ink: #eef5f3;
    --ink-soft: #aab9b6;
    --line: #344440;
    --brand: #5bc7ba;
    --brand-strong: #82d9cf;
    --brand-soft: #173d38;
    --navy: #a9c6dc;
    --violet: #b5addf;
    --healthy: #73d69e;
    --healthy-bg: #173a2a;
    --warning: #f2c961;
    --warning-bg: #3b3119;
    --critical: #ff8a91;
    --critical-bg: #432125;
    --focus: #77b8ff;
    --shadow: 0 14px 36px rgba(0, 0, 0, .28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-strong); text-underline-offset: .2em; }
a:hover { color: var(--brand); }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: .2rem; }
h1[tabindex="-1"]:focus { outline: none; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.025em; }
h1 { font-size: clamp(2.25rem, 5vw, 4.5rem); }
h2 { font-size: clamp(1.65rem, 3vw, 2.45rem); }
h3 { font-size: 1.15rem; }
p { color: var(--ink-soft); }
code, pre { font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace; }
code { font-size: .9em; }
pre {
    margin: 1rem 0;
    padding: 1.1rem;
    overflow: auto;
    border: 1px solid #334846;
    border-radius: var(--radius);
    background: #101c1b;
    color: #dcebe8;
    line-height: 1.5;
    white-space: pre-wrap;
}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.muted { color: var(--ink-soft); }
.eyebrow { margin-bottom: .65rem; color: var(--brand-strong); font-size: .76rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.section-heading { max-width: 680px; margin-bottom: 2rem; }
.section-heading p { font-size: 1.06rem; }

.public-header {
    position: sticky;
    top: 0;
    z-index: 50;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    min-height: 4.6rem;
    padding: .7rem max(1.2rem, calc((100vw - var(--content)) / 2));
    border-bottom: 1px solid color-mix(in srgb, var(--line), transparent 20%);
    background: color-mix(in srgb, var(--surface), transparent 7%);
    backdrop-filter: blur(14px);
}
.brand { display: inline-flex; align-items: center; gap: .45rem; color: var(--ink); text-decoration: none; font-weight: 850; letter-spacing: -.03em; }
.brand:hover { color: var(--ink); }
.brand-symbol { display: inline-flex; width: 2rem; color: var(--brand); }
.brand-symbol svg { width: 100%; }
.brand-word { font-size: 1.25rem; }
.brand-word span { color: var(--brand); }
.public-nav { display: flex; justify-content: center; gap: clamp(1rem, 2.5vw, 2rem); }
.public-nav a { color: var(--ink-soft); text-decoration: none; font-size: .9rem; font-weight: 650; }
.public-nav a:hover { color: var(--ink); }
.header-actions, .topbar-actions { display: flex; align-items: center; gap: .8rem; }
.mobile-menu { position: relative; display: none; }
.mobile-menu summary { list-style: none; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu nav { position: absolute; top: calc(100% + .65rem); right: 0; display: grid; min-width: 220px; padding: .55rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.mobile-menu nav a { padding: .7rem .75rem; border-radius: .5rem; color: var(--ink); text-decoration: none; font-weight: 650; }
.mobile-menu nav a:hover { background: var(--surface-2); }
.header-login { font-size: .9rem; }
.icon-button { display: inline-grid; width: 2.35rem; height: 2.35rem; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: var(--surface); color: var(--ink); cursor: pointer; }
.icon-button:hover { background: var(--surface-2); }
.public-main { min-height: 70vh; }
.public-section { width: min(calc(100% - 2.4rem), var(--content)); margin: 0 auto; padding: clamp(3.5rem, 7vw, 6.5rem) 0; }
.public-section.compact { padding-block: 2.8rem; }
.tinted-section { background: var(--surface-2); border-block: 1px solid var(--line); }
.tinted-section > .public-section { padding-block: clamp(3.5rem, 7vw, 6rem); }

.button, .btn {
    display: inline-flex;
    min-height: 2.85rem;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .65rem 1rem;
    border: 1px solid var(--line);
    border-radius: .65rem;
    background: var(--surface);
    color: var(--ink);
    font-weight: 750;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
}
.button:hover, .btn:hover { background: var(--surface-2); color: var(--ink); }
.button-primary, .btn-primary { border-color: var(--brand-strong); background: var(--brand-strong); color: white; }
.button-primary:hover, .btn-primary:hover { border-color: var(--brand); background: var(--brand); color: white; }
.button-secondary { border-color: var(--ink); background: var(--ink); color: var(--surface); }
.button-secondary:hover { opacity: .9; color: var(--surface); }
.button-danger { border-color: var(--critical); color: var(--critical); background: var(--critical-bg); }
.button-danger-subtle {
    border-color: color-mix(in srgb, var(--critical) 38%, var(--line));
    color: color-mix(in srgb, var(--critical) 52%, var(--ink-soft));
    background: color-mix(in srgb, var(--critical-bg) 30%, transparent);
}
.button-danger-subtle:hover {
    border-color: color-mix(in srgb, var(--critical) 52%, var(--line));
    color: color-mix(in srgb, var(--critical) 68%, var(--ink));
    background: color-mix(in srgb, var(--critical-bg) 52%, transparent);
}
.button-small { min-height: 2.35rem; padding: .45rem .8rem; font-size: .85rem; }
.button-row { display: flex; flex-wrap: wrap; gap: .75rem; }
.panel-footer-actions { margin-top: 1rem; }
.text-link { color: var(--ink); font-weight: 700; text-decoration: none; }

.home-hero { width: min(calc(100% - 2.4rem), var(--content)); margin: 0 auto; padding: clamp(4rem, 9vw, 8rem) 0 4rem; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .88fr) minmax(480px, 1.12fr); align-items: center; gap: clamp(2.5rem, 6vw, 5rem); }
.hero-copy h1 { max-width: 720px; margin-bottom: 1.25rem; }
.hero-copy .claim { color: var(--brand-strong); }
.hero-wordmark { margin: 0 0 .65rem; color: var(--ink); font-size: clamp(1.45rem, 2.8vw, 2rem); font-weight: 850; letter-spacing: -.05em; }
.hero-wordmark::after { display: inline-block; width: .42em; height: .42em; margin-left: .18em; border-radius: 50%; background: var(--brand); content: ""; vertical-align: .12em; }
.hero-copy .lead { max-width: 650px; font-size: clamp(1.08rem, 2vw, 1.28rem); }
.trust-note { display: flex; align-items: center; gap: .55rem; margin-top: 1.2rem; color: var(--ink-soft); font-size: .85rem; }
.trust-note::before { content: "✓"; display: inline-grid; width: 1.35rem; height: 1.35rem; place-items: center; border-radius: 50%; background: var(--healthy-bg); color: var(--healthy); font-weight: 900; }

.product-frame { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow); transform: rotate(.5deg); }
.frame-bar { display: flex; align-items: center; gap: .35rem; padding: .75rem 1rem; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.frame-bar i { width: .55rem; height: .55rem; border-radius: 50%; background: var(--line); }
.frame-bar span { margin-left: .5rem; color: var(--ink-soft); font-size: .72rem; font-style: normal; }
.preview-shell { display: grid; grid-template-columns: 120px 1fr; min-height: 380px; }
.preview-nav { padding: 1rem .7rem; background: #172422; color: #c6d6d3; }
.preview-logo { margin-bottom: 1.5rem; color: white; font-size: .8rem; font-weight: 800; }
.preview-nav span { display: block; margin-bottom: .55rem; padding: .42rem .5rem; border-radius: .35rem; font-size: .62rem; }
.preview-nav span.active { background: #29443f; color: white; }
.preview-main { padding: 1.3rem; background: var(--bg); }
.preview-heading { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.preview-heading strong { font-size: .9rem; }
.preview-heading em { color: var(--ink-soft); font-size: .6rem; font-style: normal; }
.preview-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: .55rem; margin-bottom: .7rem; }
.preview-card { min-height: 76px; padding: .7rem; border: 1px solid var(--line); border-radius: .55rem; background: var(--surface); }
.preview-card small { display: block; color: var(--ink-soft); font-size: .55rem; }
.preview-card b { display: block; margin-top: .25rem; font-size: 1.25rem; }
.preview-card b.good { color: var(--healthy); }
.preview-card b.warn { color: var(--warning); }
.preview-list { padding: .8rem; border: 1px solid var(--line); border-radius: .55rem; background: var(--surface); }
.preview-list > strong { display: block; margin-bottom: .5rem; font-size: .66rem; }
.preview-row { display: grid; grid-template-columns: 1fr auto; align-items: center; padding: .55rem 0; border-top: 1px solid var(--line); font-size: .58rem; }
.preview-row:first-of-type { border-top: 0; }
.mini-status { padding: .18rem .35rem; border-radius: 99px; background: var(--healthy-bg); color: var(--healthy); font-weight: 800; }
.mini-status.warning { background: var(--warning-bg); color: var(--warning); }

.knx-spotlight { border-block: 1px solid #294946; background: linear-gradient(135deg, #102b29 0%, #17343b 55%, #1b3446 100%); color: white; }
.knx-spotlight-shell { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr); gap: clamp(2.5rem, 6vw, 5rem); width: min(calc(100% - 2.4rem), var(--content)); margin: 0 auto; padding: clamp(3.5rem, 7vw, 6rem) 0; align-items: center; }
.knx-spotlight .eyebrow { color: #7de0d2; }
.knx-spotlight h2 { max-width: 720px; margin-bottom: 1.2rem; font-size: clamp(2rem, 4vw, 3.25rem); }
.knx-spotlight-lead { max-width: 720px; color: #c7d9d6; font-size: 1.08rem; }
.knx-benefit-list { display: grid; gap: .85rem; margin: 1.6rem 0 2rem; padding: 0; list-style: none; }
.knx-benefit-list li { position: relative; display: grid; padding-left: 1.9rem; }
.knx-benefit-list li::before { content: "✓"; position: absolute; top: .1rem; left: 0; display: grid; width: 1.25rem; height: 1.25rem; place-items: center; border-radius: 50%; background: rgba(125, 224, 210, .14); color: #7de0d2; font-size: .75rem; font-weight: 900; }
.knx-benefit-list strong { font-size: .96rem; }
.knx-benefit-list span { color: #a9c3bf; font-size: .86rem; }
.knx-secondary-button { border-color: rgba(255,255,255,.24); background: rgba(255,255,255,.06); color: white; }
.knx-secondary-button:hover { border-color: rgba(255,255,255,.4); background: rgba(255,255,255,.12); color: white; }
.knx-flow-card { padding: clamp(1.3rem, 3vw, 2rem); border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius-lg); background: rgba(8, 24, 27, .58); box-shadow: 0 24px 60px rgba(0,0,0,.22); }
.knx-flow-status { display: flex; align-items: center; gap: .55rem; margin-bottom: 1.4rem; color: #bfe9e2; font-size: .76rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.knx-flow-status > span { width: .6rem; height: .6rem; border-radius: 50%; background: #72d7a1; box-shadow: 0 0 0 .3rem rgba(114, 215, 161, .12); }
.knx-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: .55rem; }
.knx-flow-step { min-width: 0; padding: 1rem .65rem; border: 1px solid rgba(255,255,255,.13); border-radius: var(--radius-sm); background: rgba(255,255,255,.05); text-align: center; }
.knx-flow-step.featured { border-color: rgba(125,224,210,.5); background: rgba(125,224,210,.1); }
.knx-flow-step small, .knx-flow-step strong, .knx-flow-step span { display: block; }
.knx-flow-step small { margin-bottom: .3rem; color: #8ea9a6; font-size: .62rem; text-transform: uppercase; }
.knx-flow-step strong { overflow-wrap: anywhere; font-size: .88rem; }
.knx-flow-step span { margin-top: .2rem; color: #a9c3bf; font-size: .68rem; }
.knx-flow-arrow { color: #7de0d2; font-weight: 900; }
.knx-platform-list { display: grid; gap: .55rem; margin-top: 1.4rem; }
.knx-platform-list > div { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: .7rem; padding: .7rem .8rem; border-radius: var(--radius-sm); background: rgba(255,255,255,.05); }
.knx-platform-list strong, .knx-platform-list small { display: block; }
.knx-platform-list strong { font-size: .82rem; }
.knx-platform-list small { color: #8ea9a6; font-size: .68rem; }
.knx-platform-icon { display: grid; width: 2rem; height: 2rem; place-items: center; border-radius: .5rem; background: rgba(125,224,210,.12); color: #7de0d2; font-size: .58rem; font-weight: 900; }
.knx-platform-state { padding: .2rem .45rem; border-radius: 99px; background: rgba(255,255,255,.08); color: #a9c3bf; font-size: .62rem; font-weight: 800; }
.knx-platform-state.available { background: rgba(114,215,161,.13); color: #91e4b4; }
.knx-platform-state.preview { background: rgba(242,201,97,.12); color: #f2c961; }
.knx-flow-footnote { margin: 1rem 0 0; color: #8ea9a6; font-size: .72rem; text-align: center; }

.logo-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: .75rem; }
.system-logo { display: flex; min-height: 5rem; align-items: center; justify-content: center; gap: .6rem; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); font-weight: 800; text-align: center; }
.system-logo span { display: inline-grid; width: 2rem; height: 2rem; place-items: center; border-radius: .5rem; background: var(--brand-soft); color: var(--brand-strong); }
.feature-grid, .card-grid, .steps-grid, .audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.feature-card, .content-card, .step-card { padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.feature-card .card-icon { display: grid; width: 2.35rem; height: 2.35rem; margin-bottom: 1rem; place-items: center; border-radius: .65rem; background: var(--brand-soft); color: var(--brand-strong); font-weight: 900; }
.feature-card p:last-child, .content-card p:last-child { margin-bottom: 0; }
.step-card { position: relative; padding-top: 3.8rem; }
.step-number { position: absolute; top: 1.25rem; left: 1.35rem; display: grid; width: 1.8rem; height: 1.8rem; place-items: center; border-radius: 50%; background: var(--navy); color: white; font-size: .75rem; font-weight: 850; }
.alert-examples { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.alert-example { display: grid; grid-template-columns: auto 1fr auto; gap: .85rem; align-items: start; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.alert-example .alert-icon { display: grid; width: 2rem; height: 2rem; place-items: center; border-radius: 50%; background: var(--critical-bg); color: var(--critical); font-weight: 900; }
.alert-example.warning .alert-icon { background: var(--warning-bg); color: var(--warning); }
.alert-example strong, .alert-example small { display: block; }
.alert-example small { color: var(--ink-soft); }
.alert-example time { color: var(--ink-soft); font-size: .72rem; }

.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; align-items: stretch; }
.price-card { display: flex; min-height: 420px; flex-direction: column; padding: 1.35rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.price-card.featured { border: 2px solid var(--brand); box-shadow: var(--shadow); }
.price { margin: .7rem 0; color: var(--ink); font-size: 1.8rem; font-weight: 850; }
.price small { color: var(--ink-soft); font-size: .8rem; font-weight: 500; }
.feature-list { margin: 1rem 0 1.5rem; padding: 0; list-style: none; }
.feature-list li { position: relative; margin-bottom: .55rem; padding-left: 1.35rem; color: var(--ink-soft); font-size: .9rem; }
.feature-list li::before { content: "✓"; position: absolute; left: 0; color: var(--healthy); font-weight: 900; }
.price-card .button { margin-top: auto; }
.legal-callout { padding: 1rem 1.15rem; border-left: 4px solid var(--warning); border-radius: var(--radius-sm); background: var(--warning-bg); color: var(--warning); }
.upgrade-prompt { display: flex; gap: 1rem; align-items: center; justify-content: space-between; padding: 1rem 1.15rem; border: 1px solid color-mix(in srgb, var(--brand), var(--line) 50%); border-radius: var(--radius); background: var(--brand-soft); }
.upgrade-prompt-copy { display: flex; gap: .85rem; align-items: flex-start; }
.upgrade-prompt-copy strong, .upgrade-prompt-copy p { display: block; margin: 0; }
.upgrade-prompt-copy p { margin-top: .2rem; color: var(--ink-soft); }
.upgrade-prompt-copy small { display: block; margin-top: .35rem; color: var(--ink-soft); }
.upgrade-lock { display: grid; width: 2rem; height: 2rem; flex: 0 0 2rem; place-items: center; border-radius: 50%; background: var(--surface); color: var(--brand-strong); font-weight: 800; }
.upgrade-prompt-action { flex: 0 0 auto; }
.upgrade-prompt.compact { margin-top: 1rem; padding: .8rem 1rem; }
.locked-tab { color: var(--ink-soft); }
.locked-tab .tab-lock { margin-left: .25rem; font-size: .75em; }
.price-card.current { border-color: var(--brand); }
.plan-badge { align-self: flex-start; margin-bottom: .6rem; padding: .2rem .55rem; border-radius: 999px; background: var(--brand-soft); color: var(--brand-strong); font-size: .75rem; font-weight: 750; }

.faq-list { display: grid; gap: .7rem; }
.faq-list details { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.faq-list summary { padding: 1rem 1.2rem; cursor: pointer; font-weight: 750; }
.faq-list details p { padding: 0 1.2rem 1rem; margin: 0; }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: clamp(2rem, 5vw, 3.5rem); border-radius: var(--radius-lg); background: var(--navy); color: var(--surface); }
.cta-band h2 { margin-bottom: .5rem; }
.cta-band p { margin: 0; color: color-mix(in srgb, var(--surface), transparent 20%); }

.page-hero { width: min(calc(100% - 2.4rem), 880px); margin: 0 auto; padding: clamp(4rem, 8vw, 7rem) 0 2rem; text-align: center; }
.page-hero p { max-width: 680px; margin-inline: auto; font-size: 1.1rem; }
.article-shell { display: grid; grid-template-columns: 240px minmax(0, 760px); gap: 3rem; width: min(calc(100% - 2.4rem), 1080px); margin: 0 auto; padding: 2rem 0 6rem; }
.article-nav { position: sticky; top: 6rem; align-self: start; display: grid; gap: .25rem; }
.article-nav strong { margin-bottom: .5rem; }
.article-nav a { padding: .45rem .6rem; border-radius: .45rem; color: var(--ink-soft); text-decoration: none; font-size: .88rem; }
.article-nav a:hover { background: var(--surface-2); color: var(--ink); }
.prose { min-width: 0; overflow-wrap: anywhere; }
.prose h1 { font-size: clamp(2rem, 4vw, 3.25rem); }
.prose h2 { margin-top: 2.6rem; font-size: 1.55rem; }
.prose h2[id] { scroll-margin-top: 6rem; }
.prose h3 { margin-top: 1.8rem; }
.prose li { margin-bottom: .45rem; color: var(--ink-soft); }
.prose table { width: 100%; max-width: 100%; border-collapse: collapse; table-layout: fixed; }
.prose th, .prose td { padding: .7rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.prose td code { overflow-wrap: anywhere; word-break: break-word; }
.version-note { color: var(--ink-soft); font-size: .82rem; }

.help-shell { width: min(calc(100% - 2.4rem), var(--content)); margin: 0 auto; padding: 2rem 0 6rem; }
.search-box { width: min(100%, 680px); margin: 0 auto 2.5rem; }
.search-box input { min-height: 3.4rem; font-size: 1.05rem; }
.help-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.help-card { display: block; padding: 1.2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--ink); text-decoration: none; }
.help-card:hover { border-color: var(--brand); color: var(--ink); box-shadow: var(--shadow); }
.help-card small { display: block; margin-bottom: .4rem; color: var(--brand-strong); font-weight: 800; text-transform: uppercase; }
.help-card p { margin: .45rem 0 0; font-size: .9rem; }

.public-footer { padding: 3.5rem max(1.2rem, calc((100vw - var(--content)) / 2)) 1.5rem; border-top: 1px solid var(--line); background: var(--surface); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 2.5rem; }
.footer-grid > div { display: flex; flex-direction: column; align-items: flex-start; gap: .45rem; }
.footer-grid a:not(.brand) { color: var(--ink-soft); font-size: .85rem; text-decoration: none; }
.footer-grid p { max-width: 260px; margin-top: .6rem; font-size: .88rem; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 3rem; padding-top: 1.1rem; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .75rem; }
.consent-banner {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    left: 1rem;
    z-index: 300;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1rem 1.5rem;
    align-items: center;
    width: min(calc(100% - 2rem), 880px);
    margin-inline: auto;
    padding: 1.15rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: 0 18px 60px rgba(15, 32, 29, .22);
}
.consent-banner[hidden] { display: none; }
.consent-copy h2 { margin-bottom: .35rem; font-size: 1.05rem; }
.consent-copy p { margin: 0; font-size: .86rem; }
.consent-copy code { color: var(--ink); }
.consent-actions { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem; min-width: 310px; }
.consent-actions .button { width: 100%; }
.consent-actions a { grid-column: 1 / -1; justify-self: center; font-size: .8rem; }
.consent-settings { display: grid; gap: .9rem; margin: 1rem 0; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2); }
.consent-settings p { margin: 0; }

/* Authenticated application */
.app-shell { display: grid; grid-template-columns: 236px minmax(0, 1fr); min-height: 100vh; }
.app-sidebar { position: sticky; top: 0; display: flex; height: 100vh; flex-direction: column; padding: 1.25rem 1rem; background: #152321; color: #d4e2df; }
.app-brand { padding: .2rem .65rem 1.35rem; color: white; }
.app-brand:hover { color: white; }
.app-nav { display: grid; gap: .25rem; }
.app-nav a { display: flex; align-items: center; gap: .7rem; padding: .68rem .75rem; border-radius: .55rem; color: #b9cbc7; text-decoration: none; font-size: .9rem; font-weight: 650; }
.app-nav a span { width: 1.2rem; color: #82aca5; text-align: center; }
.app-nav a:hover { background: #203330; color: white; }
.app-nav a.active { background: #29443f; color: white; }
.app-nav a.active span { color: #77d8cb; }
.sidebar-foot { display: grid; gap: .45rem; margin-top: auto; padding: 1rem .7rem 0; border-top: 1px solid #30423f; }
.sidebar-foot a { color: #c6d5d2; font-size: .78rem; text-decoration: none; }
.sidebar-foot span { color: #78918c; font-size: .68rem; }
.app-workspace { min-width: 0; }
.app-topbar { position: sticky; top: 0; z-index: 40; display: flex; min-height: 4rem; align-items: center; justify-content: space-between; padding: .7rem clamp(1rem, 3vw, 2rem); border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--surface), transparent 6%); backdrop-filter: blur(12px); }
.mobile-brand { display: none; }
.environment-label { display: inline-flex; align-items: center; gap: .5rem; color: var(--ink-soft); font-size: .78rem; font-weight: 650; }
.pulse-dot { width: .55rem; height: .55rem; border-radius: 50%; background: var(--healthy); box-shadow: 0 0 0 4px var(--healthy-bg); }
.account-chip { max-width: 220px; overflow: hidden; padding: .42rem .7rem; border-radius: 99px; background: var(--surface-2); color: var(--ink); font-size: .78rem; font-weight: 700; text-decoration: none; text-overflow: ellipsis; white-space: nowrap; }
.logout-form { display: flex; margin: 0; }
.logout-button { display: inline-flex; min-height: 2.35rem; align-items: center; padding: .42rem .75rem; border: 1px solid var(--line); border-radius: 99px; background: var(--surface); color: var(--ink-soft); font: inherit; font-size: .78rem; font-weight: 700; cursor: pointer; }
.logout-button:hover { background: var(--surface-2); color: var(--ink); }
.logout-button:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand), transparent 65%); outline-offset: 2px; }
.app-content { width: min(calc(100% - 2rem), 1440px); margin: 0 auto; padding: 2rem 0 4rem; }
.app-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1.5rem; margin-bottom: 1.5rem; }
.app-heading h1 { margin-bottom: .35rem; font-size: clamp(1.65rem, 3vw, 2.25rem); }
.app-heading p { margin-bottom: 0; }
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1rem; }
.kpi-card { padding: 1.1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.kpi-label { display: flex; align-items: center; justify-content: space-between; color: var(--ink-soft); font-size: .78rem; font-weight: 650; }
.kpi-value { display: block; margin: .45rem 0 .15rem; font-size: 1.8rem; font-weight: 850; line-height: 1; }
.kpi-detail { color: var(--ink-soft); font-size: .72rem; }
.dashboard-grid { display: grid; grid-template-columns: 1.45fr 1fr; gap: 1rem; }
.panel, .tool-panel { padding: 1.2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.panel + .panel, .tool-panel + .tool-panel { margin-top: 1rem; }
.detail-grid + .tool-panel,
.dashboard-grid + .tool-panel,
.tool-panel + .detail-grid,
.tool-panel + .dashboard-grid,
.detail-grid + .detail-grid,
.dashboard-grid + .dashboard-grid { margin-top: 1rem; }
.panel-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .9rem; }
.panel-header h2, .tool-panel h2 { margin: 0; font-size: 1.05rem; }
.panel-header a { font-size: .78rem; font-weight: 750; text-decoration: none; }
.site-list, .event-list, .item-list { display: grid; }
.site-row, .event-row, .item-row { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 1rem; padding: .85rem 0; border-top: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.site-row:first-child, .event-row:first-child, .item-row:first-child { border-top: 0; }
.notification-empty-state { padding: 1.5rem; }
.notification-channel-row { grid-template-columns: minmax(0, 1fr) auto minmax(12rem, auto); }
.notification-channel-actions { justify-content: flex-end; }
.channel-setup-block { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.channel-setup-block h3 { margin: 0 0 .5rem; font-size: .95rem; }
.channel-setup-block form { margin-top: .8rem; }
.telegram-pairing-card { display: grid; gap: .9rem; margin-top: .8rem; padding: 1rem; border: 1px solid color-mix(in srgb, var(--brand), var(--line) 50%); border-radius: var(--radius); background: var(--brand-soft); }
.telegram-pairing-card p { margin: .3rem 0 0; }
.telegram-pairing-card > .button { justify-self: start; }
.telegram-pairing-steps { display: grid; gap: .4rem; margin: 0; padding-left: 1.3rem; color: var(--ink-soft); font-size: .82rem; }
.push-promo-card { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .85rem 1rem; padding: 1rem; border: 1px solid color-mix(in srgb, var(--brand), var(--line) 38%); border-radius: var(--radius); background: linear-gradient(135deg, var(--brand-soft), var(--surface)); }
.push-promo-icon { display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border-radius: .85rem; background: var(--brand); color: #fff; font-size: 1.65rem; font-weight: 850; }
.push-promo-copy h3 { margin-bottom: .35rem; font-size: 1.03rem; }
.push-promo-copy p:last-child { margin: 0; color: var(--ink-soft); }
.push-promo-status,
.push-device-actions { grid-column: 2; margin: 0; }
.push-device-actions { display: grid; gap: .65rem; }
.push-device-actions .form-field { max-width: 24rem; }
.advanced-channel-details { padding-top: 0; }
.advanced-channel-details > summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-top: 1rem; cursor: pointer; color: var(--ink); }
.advanced-channel-details > summary::marker { color: var(--brand); }
.advanced-channel-details > summary span { display: grid; gap: .15rem; }
.advanced-channel-details > summary small { color: var(--ink-soft); font-weight: 500; }
.advanced-channel-content { padding-top: 1rem; }
.webhook-secret-box { margin-top: 1rem; }
.webhook-secret-box small { display: block; margin-top: .5rem; }
.webhook-contract { margin-top: 1rem; padding: .85rem; border: 1px dashed var(--line); border-radius: var(--radius-sm); background: var(--surface-2); }
.webhook-contract p { margin: .4rem 0; overflow-wrap: anywhere; }
.global-public-key code { max-height: 6rem; overflow: auto; }
.telegram-manual-toggle { margin-top: .9rem; }
.telegram-manual-setup { margin-top: .8rem; padding: .9rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); }
.telegram-manual-setup > p { margin-bottom: 0; }
.site-row strong, .event-row strong, .item-row strong { display: block; }
.site-row small, .event-row small, .item-row small { display: block; color: var(--ink-soft); }
.site-row time, .event-row time { color: var(--ink-soft); font-size: .72rem; }
.status-pill { display: inline-flex; min-height: 1.75rem; align-items: center; gap: .35rem; padding: .23rem .55rem; border: 1px solid currentColor; border-radius: 99px; font-size: .72rem; font-weight: 800; white-space: nowrap; }
.status-pill.healthy { background: var(--healthy-bg); color: var(--healthy); }
.status-pill.warning { background: var(--warning-bg); color: var(--warning); }
.status-pill.critical { background: var(--critical-bg); color: var(--critical); }
.status-pill.maintenance, .status-pill.unknown { background: var(--surface-2); color: var(--ink-soft); }
.site-status-indicators { display: inline-flex; align-items: center; gap: .35rem; }
.status-attention { display: inline-grid; width: 1.75rem; height: 1.75rem; flex: 0 0 1.75rem; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-size: .78rem; font-weight: 900; line-height: 1; }
.status-attention.warning { background: var(--warning-bg); color: var(--warning); }
.status-attention.critical { background: var(--critical-bg); color: var(--critical); }
.empty-state { padding: 2.5rem 1.5rem; border: 1px dashed var(--line); border-radius: var(--radius); background: var(--surface); text-align: center; }
.empty-state .empty-icon { display: grid; width: 3rem; height: 3rem; margin: 0 auto 1rem; place-items: center; border-radius: 1rem; background: var(--brand-soft); color: var(--brand-strong); font-size: 1.25rem; }
.empty-state h2 { font-size: 1.25rem; }

.site-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.site-card { display: grid; min-height: 220px; grid-template-rows: auto 1fr auto; gap: 1rem; padding: 1.2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--ink); text-decoration: none; }
.site-card:hover { border-color: var(--brand); color: var(--ink); box-shadow: var(--shadow); }
.site-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: .8rem; }
.site-card h2 { margin: 0; font-size: 1.15rem; }
.site-card-meta { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.site-card-meta small { display: block; color: var(--ink-soft); font-size: .7rem; }
.site-card-meta strong { display: block; margin-top: .2rem; font-size: .85rem; }
.site-card-footer { display: flex; justify-content: space-between; padding-top: .8rem; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .72rem; }

.detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.detail-grid > .tool-panel,
.dashboard-grid > .panel,
.dashboard-grid > .tool-panel { margin: 0; }
.detail-list { display: grid; grid-template-columns: max-content 1fr; gap: .55rem 1rem; margin: 0; }
.detail-list dt { color: var(--ink-soft); font-size: .82rem; }
.detail-list dd { margin: 0; font-size: .88rem; font-weight: 720; }
.tabs { display: flex; gap: .25rem; margin: 1.5rem 0 1rem; overflow-x: auto; border-bottom: 1px solid var(--line); }
.tabs button, .tabs a { padding: .7rem .85rem; border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--ink-soft); font-size: .82rem; font-weight: 750; text-decoration: none; white-space: nowrap; cursor: pointer; }
.tabs .active { border-color: var(--brand); color: var(--ink); }
.integration-list { display: grid; gap: .75rem; }
.integration-card { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: .9rem; align-items: center; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.integration-icon { display: grid; width: 2.5rem; height: 2.5rem; place-items: center; border-radius: .7rem; background: var(--brand-soft); color: var(--brand-strong); font-size: .75rem; font-weight: 900; }
.integration-card h3 { margin: 0; font-size: .95rem; }
.integration-card p { margin: .2rem 0 0; font-size: .78rem; }
.knx-datapoint-card + .knx-datapoint-card { margin-top: .75rem; }
.knx-agent-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.knx-agent-card { display: flex; min-width: 0; min-height: 310px; flex-direction: column; gap: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: border-color .15s ease, box-shadow .15s ease; }
.knx-agent-card.selected { border-color: var(--brand); box-shadow: 0 0 0 2px color-mix(in srgb, var(--brand) 18%, transparent); }
.knx-agent-card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: .75rem; }
.knx-agent-card-choice { display: flex; min-width: 0; align-items: center; gap: .7rem; padding: 0; border: 0; background: transparent; color: var(--ink); text-align: left; cursor: pointer; }
.knx-agent-card-choice:focus-visible { outline: 2px solid var(--brand); outline-offset: .25rem; border-radius: var(--radius-sm); }
.knx-agent-card-choice strong, .knx-agent-card-choice small { display: block; }
.knx-agent-card-choice small, .knx-agent-card-details small { color: var(--ink-soft); font-size: .72rem; }
.knx-agent-card > p { margin: 0; color: var(--ink-soft); font-size: .85rem; }
.knx-agent-badges { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .35rem; }
.knx-agent-card-details { display: grid; gap: .8rem; margin-top: auto; }
.knx-agent-card-details strong { display: block; margin-top: .2rem; font-size: .86rem; }
.knx-architecture-selector { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .35rem; }
.knx-architecture-selector button { min-height: 2rem; padding: .3rem .65rem; border: 1px solid var(--line); border-radius: 99px; background: var(--surface-2); color: var(--ink-soft); font-size: .74rem; font-weight: 800; cursor: pointer; }
.knx-architecture-selector button.active { border-color: var(--brand); background: var(--brand-soft); color: var(--brand-strong); }
.knx-agent-card-action .button { width: 100%; }
.knx-agent-install-guide { margin-top: 1rem; padding: 1rem; border: 1px solid color-mix(in srgb, var(--brand), var(--line) 45%); border-radius: var(--radius); background: var(--surface-2); }
.knx-agent-install-guide .panel-header { margin-bottom: .85rem; }
.knx-agent-install-guide .eyebrow { margin-bottom: .35rem; }
.knx-agent-install-guide h3 { margin-bottom: .3rem; }
.knx-agent-install-guide p { margin: 0; }
.knx-agent-install-guide pre { margin-bottom: .75rem; }
.knx-agent-install-notes { display: flex; flex-wrap: wrap; gap: .55rem 1rem; color: var(--ink-soft); font-size: .78rem; }
.knx-agent-install-notes code { color: var(--ink); }
.knx-connected-agent-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: .75rem; }
.knx-connected-agent { padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); }
.knx-connected-agent-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: .9rem; }
.knx-connected-agent-heading strong, .knx-connected-agent-heading small { display: block; }
.knx-connected-agent-heading small { margin-top: .15rem; color: var(--ink-soft); }
.knx-connected-agent code { overflow-wrap: anywhere; }
.knx-agent-empty-state { padding: 1.5rem; }
.knx-agent-empty-state p { margin: .35rem 0 0; }
.knx-setup-steps { display: grid; gap: .65rem; margin: 0; padding: 0; list-style: none; }
.knx-setup-steps li { display: flex; align-items: center; gap: .85rem; padding: .8rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); }
.knx-setup-steps li > span { display: grid; width: 2rem; height: 2rem; flex: 0 0 2rem; place-items: center; border-radius: 50%; background: var(--brand-soft); color: var(--brand-strong); font-weight: 850; }
.knx-setup-steps strong, .knx-setup-steps small { display: block; }
.knx-setup-steps small { margin-top: .15rem; color: var(--ink-soft); }
.knx-first-setup { display: grid; gap: 1rem; margin: .8rem 0 1.25rem; padding: clamp(1rem, 2vw, 1.35rem); border: 1px solid color-mix(in srgb, var(--brand), var(--line) 38%); border-radius: var(--radius); background: color-mix(in srgb, var(--brand-soft), var(--surface) 58%); }
.knx-first-setup-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.knx-first-setup-heading h3 { margin: .2rem 0 .35rem; }
.knx-first-setup-heading p:last-child { max-width: 58rem; margin: 0; color: var(--ink-soft); }
.knx-first-setup-actions { align-items: center; }
.knx-first-setup-actions .text-link { margin-left: auto; }
.knx-first-setup-steps { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.knx-first-setup-steps li { align-items: flex-start; background: color-mix(in srgb, var(--surface), transparent 12%); }
.knx-first-setup-details { padding: .85rem 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.knx-first-setup-details summary { cursor: pointer; font-weight: 800; }
.knx-first-setup-details > p { margin: .45rem 0; color: var(--ink-soft); }
.knx-first-setup-details > code { display: block; margin: .55rem 0; overflow-wrap: anywhere; color: var(--warning); font-weight: 750; }
.knx-first-setup-details pre { max-height: 28rem; margin: .75rem 0 0; white-space: pre; }
.knx-first-site-hint { display: flex; align-items: center; gap: .85rem; margin: 1rem 0; padding: .85rem 1rem; border: 1px solid color-mix(in srgb, var(--brand), var(--line) 45%); border-radius: var(--radius-sm); background: var(--brand-soft); }
.knx-first-site-hint strong, .knx-first-site-hint small { display: block; }
.knx-first-site-hint small { margin-top: .2rem; color: var(--ink-soft); }
.key-box { margin: .8rem 0 1rem; padding: .85rem; border: 1px solid var(--warning); border-radius: var(--radius-sm); background: var(--warning-bg); color: var(--warning); }
.key-box code { display: block; margin: .45rem 0; overflow-wrap: anywhere; color: inherit; font-weight: 750; }
.key-box pre { max-height: 36rem; margin-block: .75rem; color: #dcebe8; white-space: pre; }
.toast-stack { position: fixed; top: 5rem; right: 1rem; z-index: 1200; display: grid; width: min(28rem, calc(100vw - 2rem)); gap: .65rem; pointer-events: none; }
.toast-message { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: .75rem; align-items: center; padding: .85rem .9rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--ink); box-shadow: 0 14px 38px rgb(0 0 0 / 24%); pointer-events: auto; animation: toast-enter .18s ease-out; }
.toast-success { border-color: color-mix(in srgb, var(--healthy), var(--line) 42%); background: color-mix(in srgb, var(--healthy-bg), var(--surface) 32%); }
.toast-info { border-color: color-mix(in srgb, var(--brand), var(--line) 42%); background: color-mix(in srgb, var(--brand-soft), var(--surface) 32%); }
.toast-warning { border-color: color-mix(in srgb, var(--warning), var(--line) 42%); background: color-mix(in srgb, var(--warning-bg), var(--surface) 32%); }
.toast-error { border-color: color-mix(in srgb, var(--critical), var(--line) 42%); background: color-mix(in srgb, var(--critical-bg), var(--surface) 32%); }
.toast-icon { display: grid; width: 1.65rem; height: 1.65rem; place-items: center; border-radius: 50%; background: var(--brand-soft); color: var(--brand-strong); font-size: .8rem; font-weight: 900; }
.toast-success .toast-icon { background: var(--healthy-bg); color: var(--healthy); }
.toast-warning .toast-icon { background: var(--warning-bg); color: var(--warning); }
.toast-error .toast-icon { background: var(--critical-bg); color: var(--critical); }
.toast-text { overflow-wrap: anywhere; font-size: .88rem; font-weight: 750; line-height: 1.4; }
.toast-close { display: grid; width: 2rem; height: 2rem; padding: 0; place-items: center; border: 0; border-radius: 50%; background: transparent; color: var(--ink-soft); font-size: 1.25rem; line-height: 1; cursor: pointer; }
.toast-close:hover, .toast-close:focus-visible { background: var(--surface-2); color: var(--ink); }
@keyframes toast-enter { from { opacity: 0; transform: translateY(-.4rem); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { .toast-message { animation: none; } }
.api-key-list { display: grid; gap: .55rem; margin-top: .9rem; }
.api-key-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .75rem; align-items: center; padding: .75rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); }
.api-key-row strong, .api-key-row small { display: block; }
.api-key-row code { overflow-wrap: anywhere; }
.api-key-row small { margin-top: .2rem; color: var(--ink-soft); }
.integration-actions { grid-column: 1 / -1; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { color: var(--ink-soft); font-size: .7rem; font-weight: 750; text-align: left; text-transform: uppercase; }
.data-table th, .data-table td { padding: .75rem .55rem; border-bottom: 1px solid var(--line); }
.data-table td { font-size: .82rem; }
.data-table tr[id] { scroll-margin-top: 2rem; }
.data-table tr:target td, .data-table tr.entity-highlight td { background: var(--brand-soft); }
.entity-value { display: block; max-width: 22rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.entity-name-line { display: inline-flex; align-items: center; gap: .55rem; }
.entity-name-edit { min-width: 2.35rem; padding-inline: .6rem; line-height: 1; }
.entity-panel-header { align-items: flex-start; }
.entity-panel-header p { margin: .3rem 0 0; font-size: .82rem; }
.entity-result-count { flex: 0 0 auto; padding: .28rem .62rem; border-radius: 99px; background: var(--surface-2); color: var(--ink-soft); font-size: .75rem; font-weight: 750; }
.entity-toolbar { display: grid; grid-template-columns: minmax(280px, 2fr) repeat(2, minmax(145px, .75fr)) minmax(210px, 1fr); gap: .75rem; align-items: end; margin: 1rem 0 .8rem; padding: .85rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2); }
.entity-toolbar .form-field { min-width: 0; margin: 0; }
.entity-search-control, .entity-sort-control { position: relative; display: flex; min-width: 0; }
.entity-search-control input { padding-right: 2.55rem; }
.entity-search-control button, .entity-sort-control button { display: grid; width: 2.15rem; height: 2.15rem; place-items: center; border: 0; border-radius: .45rem; background: transparent; color: var(--ink-soft); font-size: 1.15rem; font-weight: 800; cursor: pointer; }
.entity-search-control button { position: absolute; top: 50%; right: .32rem; transform: translateY(-50%); }
.entity-search-control button:hover, .entity-sort-control button:hover { background: var(--surface-3); color: var(--ink); }
.entity-sort-control { gap: .4rem; }
.entity-sort-control select { min-width: 0; }
.entity-sort-control button { flex: 0 0 2.8rem; width: 2.8rem; height: auto; border: 1px solid var(--line); background: var(--surface); }
.entity-sort-control button:disabled { opacity: .42; cursor: not-allowed; }
.entity-filter-summary { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; margin: 0 0 .85rem; color: var(--ink-soft); font-size: .74rem; font-weight: 700; }
.entity-filter-chip { display: inline-flex; min-height: 1.9rem; align-items: center; gap: .35rem; padding: .26rem .58rem; border: 1px solid color-mix(in srgb, var(--brand), var(--line) 45%); border-radius: 99px; background: var(--brand-soft); color: var(--brand-strong); font: inherit; cursor: pointer; }
.entity-filter-chip:hover { border-color: var(--brand); }
.entity-filter-chip span { font-size: 1rem; line-height: .8; }
.entity-filter-reset { padding: .25rem .35rem; border: 0; background: transparent; color: var(--brand-strong); font: inherit; text-decoration: underline; text-underline-offset: .2em; cursor: pointer; }
.entity-table-wrap { overflow-x: auto; border-top: 1px solid var(--line); }
.entity-table { min-width: 1000px; }
.entity-table th { background: var(--surface); }
.entity-table tbody tr:not(.entity-highlight):hover td { background: color-mix(in srgb, var(--surface-2), transparent 25%); }
.entity-sort-button { display: inline-flex; align-items: center; gap: .35rem; padding: .2rem 0; border: 0; background: transparent; color: inherit; font: inherit; font-weight: inherit; letter-spacing: inherit; text-align: left; text-transform: inherit; cursor: pointer; }
.entity-sort-button span { width: .8rem; color: color-mix(in srgb, var(--ink-soft), transparent 35%); font-size: .78rem; }
.entity-sort-button:hover, .entity-sort-button.active { color: var(--brand-strong); }
.entity-sort-button.active span { color: var(--brand-strong); }
.entity-empty-state { padding-block: 2.5rem; border-top: 1px solid var(--line); }
.table-scroll { overflow-x: auto; }
.rule-panel-header { align-items: flex-start; }
.rule-panel-header p { margin: .3rem 0 0; font-size: .82rem; }
.rule-builder { margin: 1rem 0 1.25rem; overflow: hidden; border: 1px solid color-mix(in srgb, var(--brand), var(--line) 45%); border-radius: var(--radius); background: var(--surface-2); }
.rule-builder-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; padding: 1rem 1.1rem; border-bottom: 1px solid var(--line); background: var(--surface); }
.rule-builder-heading h3 { margin: .2rem 0 0; font-size: 1.05rem; }
.rule-builder-section { margin: 0; padding: 1.1rem; border: 0; border-bottom: 1px solid var(--line); }
.rule-builder-section legend { padding: 0; margin-bottom: .8rem; color: var(--brand-strong); font-size: .76rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.rule-condition-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .8rem; align-items: end; }
.rule-condition-grid .form-field, .rule-settings-grid .form-field { margin-bottom: 0; }
.rule-current-value { display: grid; grid-template-columns: auto auto minmax(0, 1fr); gap: .45rem .7rem; align-items: baseline; margin: -.2rem 0 1rem; padding: .7rem .8rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.rule-current-value span { color: var(--ink-soft); font-size: .72rem; font-weight: 750; text-transform: uppercase; }
.rule-current-value strong { font-size: 1rem; }
.rule-current-value small { color: var(--ink-soft); }
.rule-settings-grid { grid-template-columns: minmax(240px, 2fr) repeat(3, minmax(130px, 1fr)); }
.rule-builder-footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.1rem; background: var(--surface); }
.checkbox-row { display: inline-flex; align-items: center; gap: .5rem; color: var(--ink-soft); font-size: .8rem; font-weight: 700; }
.checkbox-row input { width: 1rem; height: 1rem; accent-color: var(--brand); }
.rule-table td { vertical-align: middle; }
.rule-table td:first-child strong, .rule-table td:first-child small { display: block; }
.rule-row-actions { display: flex; justify-content: flex-end; gap: .35rem; white-space: nowrap; }
.rule-status-button.active { border-color: color-mix(in srgb, var(--healthy), var(--line) 45%); background: var(--healthy-bg); color: var(--healthy); }
.rule-default-actions { margin-top: 1rem; }
.rule-empty { margin-top: 1rem; padding-block: 1.5rem; }
.battery { display: inline-flex; gap: .35rem; align-items: center; }
.battery-meter { width: 44px; height: 7px; overflow: hidden; border-radius: 99px; background: var(--surface-3); }
.battery-meter i { display: block; height: 100%; background: var(--healthy); }
.battery.low .battery-meter i { background: var(--warning); }
.battery.critical .battery-meter i { background: var(--critical); }
.danger-zone { border-color: color-mix(in srgb, var(--critical), var(--line) 55%); }
.danger-zone h2 { color: var(--critical); }

/* Platform administration and support */
.admin-notice { display: flex; gap: .55rem; align-items: center; margin: 0 0 1rem; padding: .8rem 1rem; border: 1px solid color-mix(in srgb, var(--brand), var(--line) 55%); border-radius: var(--radius-sm); background: var(--brand-soft); color: var(--ink); }
.admin-notice span { color: var(--ink-soft); }
.admin-badge { display: inline-flex; align-items: center; padding: .24rem .52rem; border-radius: 99px; background: var(--surface-2); color: var(--ink-soft); font-size: .7rem; font-weight: 800; white-space: nowrap; }
.admin-badge.info { background: var(--brand-soft); color: var(--brand-strong); }
.admin-badge.success { background: var(--healthy-bg); color: var(--healthy); }
.admin-badge.warning { background: var(--warning-bg); color: var(--warning); }
.admin-badge.danger { background: var(--critical-bg); color: var(--critical); }
.admin-list, .support-list { display: grid; }
.admin-list-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .82rem 0; border-top: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.admin-list-row:first-child { border-top: 0; }
.admin-list-row:hover { color: var(--brand-strong); }
.admin-list-row strong, .admin-list-row small { display: block; }
.admin-list-row small { margin-top: .15rem; color: var(--ink-soft); }
.plan-distribution { display: grid; gap: .65rem; }
.plan-distribution > div { display: flex; align-items: center; justify-content: space-between; padding: .75rem .85rem; border-radius: var(--radius-sm); background: var(--surface-2); }
.admin-toolbar { display: grid; grid-template-columns: minmax(260px, 2fr) 1fr 1fr; gap: .8rem; margin-bottom: 1rem; }
.admin-toolbar .form-field { margin-bottom: 0; }
.admin-account-table td { vertical-align: middle; }
.admin-actions { margin-top: 1rem; }
.global-settings-index { background: linear-gradient(135deg, var(--surface), var(--brand-soft)); }
.global-settings-index h2 { margin-bottom: .85rem; }
.global-settings-index-links { display: flex; flex-wrap: wrap; gap: .55rem; }
.global-settings-index-links a { display: inline-flex; align-items: center; min-height: 2.3rem; padding: .45rem .75rem; border: 1px solid color-mix(in srgb, var(--brand), var(--line) 60%); border-radius: 999px; background: var(--surface); color: var(--brand-strong); font-size: .82rem; font-weight: 800; text-decoration: none; }
.global-settings-index-links a:hover { border-color: var(--brand); background: var(--brand-soft); }
.global-settings-section { scroll-margin-top: 1rem; }
.global-settings-section .panel-header > div { min-width: 0; }
.global-settings-section .panel-header .eyebrow { margin-bottom: .2rem; }
.global-settings-summary { margin-bottom: 1rem; }
.smtp-account-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; align-items: start; }
.smtp-account-panel { margin: 0; }
.smtp-account-panel h3 { margin: 0; font-size: 1rem; }
.smtp-account-summary { margin: 1rem 0; }
.global-setting-toggle { margin-bottom: 1rem; }
.kpi-value.kpi-text { overflow: hidden; font-size: 1.15rem; line-height: 1.25; text-overflow: ellipsis; white-space: nowrap; }
.support-card { padding: 1rem 0; border-top: 1px solid var(--line); }
.support-card:first-child { padding-top: 0; border-top: 0; }
.support-card:last-child { padding-bottom: 0; }
.support-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: .8rem; }
.support-card-head strong, .support-card-head small { display: block; }
.support-card-head small { margin-top: .2rem; color: var(--ink-soft); }
.support-card > p, .support-description { white-space: pre-wrap; }
.support-resolution { margin-top: .75rem; padding: .75rem; border-left: 3px solid var(--brand); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; background: var(--brand-soft); }
.support-resolution p { margin: .35rem 0 0; white-space: pre-wrap; }

/* Forms and Identity compatibility */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.form-field, .form-floating { display: grid; gap: .35rem; margin-bottom: 1rem; }
.form-field label, .form-label, .form-floating label { color: var(--ink-soft); font-size: .78rem; font-weight: 700; }
.form-control, .form-select, input:not([type="checkbox"]):not([type="hidden"]), select, textarea {
    width: 100%;
    min-height: 2.8rem;
    padding: .65rem .75rem;
    border: 1px solid var(--line);
    border-radius: .58rem;
    background: var(--surface);
    color: var(--ink);
}
textarea { min-height: 7rem; resize: vertical; }
.form-control:focus, .form-select:focus, input:focus, select:focus, textarea:focus { border-color: var(--focus); outline: 2px solid color-mix(in srgb, var(--focus), transparent 72%); outline-offset: 0; }
.form-check, .checkbox label { display: flex; align-items: center; gap: .55rem; }
input[type="checkbox"] { width: 1rem; height: 1rem; accent-color: var(--brand); }
.validation-message, .text-danger, .invalid-feedback { color: var(--critical); font-size: .78rem; }
.validation-summary-errors { padding: .8rem 1rem; border-radius: var(--radius-sm); background: var(--critical-bg); color: var(--critical); }
.alert { margin: 0 0 1rem; padding: .8rem 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm); font-size: .88rem; font-weight: 700; }
.alert-danger { border-color: color-mix(in srgb, var(--critical), var(--line) 50%); background: var(--critical-bg); color: var(--critical); }
.alert-success { border-color: color-mix(in srgb, var(--healthy), var(--line) 50%); background: var(--healthy-bg); color: var(--healthy); }
.valid.modified:not([type=checkbox]) { border-color: var(--healthy); }
.invalid { border-color: var(--critical) !important; }
.auth-shell { display: grid; grid-template-columns: minmax(0, 480px) minmax(360px, 1fr); width: min(calc(100% - 2.4rem), 1040px); min-height: 660px; margin: 3rem auto 5rem; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow); }
.auth-form { padding: clamp(2rem, 5vw, 4rem); }
.auth-form h1 { margin-bottom: .45rem; font-size: 2rem; }
.auth-aside { display: flex; flex-direction: column; justify-content: flex-end; padding: 3rem; background: #182c29; color: white; }
.auth-aside p { color: #c4d7d3; }
.auth-shell-compact { min-height: 460px; }
.auth-points { display: grid; gap: .65rem; padding: 0; list-style: none; }
.auth-points li::before { content: "✓"; margin-right: .55rem; color: #75d8ca; font-weight: 900; }
.w-100 { width: 100%; }
.mb-3 { margin-bottom: 1rem; }
.mt-3 { margin-top: 1rem; }
.row { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.col-lg-6 { flex: 1 1 480px; }
.col-lg-4 { flex: 1 1 320px; }
hr { border: 0; border-top: 1px solid var(--line); }
.manage-layout { display: grid; grid-template-columns: 220px 1fr; gap: 2rem; }

#blazor-error-ui { position: fixed; right: 1rem; bottom: 1rem; z-index: 1000; display: none; max-width: 460px; padding: .9rem 1rem; border-radius: var(--radius); background: var(--critical-bg); color: var(--critical); box-shadow: var(--shadow); }

@media (max-width: 1050px) {
    .public-nav { display: none; }
    .public-header { grid-template-columns: 1fr auto auto; }
    .mobile-menu { display: block; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-copy { max-width: 760px; }
    .product-frame { max-width: 760px; transform: none; }
    .knx-spotlight-shell { grid-template-columns: 1fr; }
    .knx-flow-card { max-width: 760px; }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-grid, .card-grid, .steps-grid, .audience-grid, .help-grid { grid-template-columns: repeat(2, 1fr); }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .rule-condition-grid, .rule-settings-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .entity-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .entity-search { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
    body { font-size: 15px; }
    .public-header { min-height: 4.2rem; }
    .header-login { display: none; }
    .public-section { width: min(calc(100% - 2rem), var(--content)); }
    .home-hero { width: min(calc(100% - 2rem), var(--content)); padding-top: 3.5rem; }
    .hero-grid { gap: 2.2rem; }
    .knx-spotlight-shell { width: min(calc(100% - 2rem), var(--content)); }
    .preview-shell { grid-template-columns: 1fr; min-height: auto; }
    .preview-nav { display: none; }
    .logo-row, .feature-grid, .card-grid, .steps-grid, .audience-grid, .help-grid, .pricing-grid, .alert-examples { grid-template-columns: 1fr; }
    .cta-band { align-items: flex-start; flex-direction: column; }
    .upgrade-prompt { align-items: flex-start; flex-direction: column; }
    .upgrade-prompt-action, .upgrade-prompt-action .button { width: 100%; }
    .article-shell { grid-template-columns: 1fr; gap: 1.5rem; width: min(calc(100% - 2rem), 1080px); }
    .article-nav { position: static; display: flex; flex-wrap: wrap; }
    .prose table { display: block; overflow-x: auto; table-layout: auto; }
    .prose th, .prose td { min-width: 9rem; overflow-wrap: normal; word-break: normal; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid > div:first-child { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; gap: .4rem; }
    .consent-banner { grid-template-columns: 1fr; }
    .consent-actions { min-width: 0; }
    .rule-panel-header, .rule-builder-footer { align-items: stretch; flex-direction: column; }
    .rule-condition-grid, .rule-settings-grid { grid-template-columns: 1fr; }
    .rule-current-value { grid-template-columns: auto 1fr; }
    .rule-current-value small { grid-column: 1 / -1; }
    .app-shell { display: block; }
    .app-sidebar { position: fixed; inset: auto 0 0; z-index: 100; width: 100%; height: auto; padding: .35rem; }
    .app-brand, .sidebar-foot { display: none; }
    .app-nav { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: minmax(58px, 1fr); gap: 0; overflow-x: auto; }
    .app-nav a { justify-content: center; flex-direction: column; gap: .05rem; padding: .35rem .1rem; font-size: .58rem; }
    .app-nav a span { font-size: 1rem; }
    .mobile-brand { display: inline-flex; color: var(--ink); text-decoration: none; }
    .mobile-brand .brand-symbol { width: 1.75rem; }
    .mobile-brand .brand-word { font-size: 1rem; }
    .environment-label { display: none; }
    .topbar-actions { gap: .45rem; }
    .account-chip { display: none; }
    .app-content { width: min(calc(100% - 1.5rem), 1440px); padding-top: 1.25rem; padding-bottom: 6rem; }
    .app-heading { flex-direction: column; }
    .dashboard-grid, .detail-grid, .form-grid, .admin-toolbar, .knx-agent-grid, .smtp-account-grid { grid-template-columns: 1fr; }
    .site-row, .event-row, .notification-channel-row { grid-template-columns: 1fr auto; }
    .site-row time, .event-row time { grid-column: 1 / -1; }
    .notification-channel-actions { grid-column: 1 / -1; justify-content: flex-start; }
    .push-promo-card { grid-template-columns: 1fr; }
    .push-promo-icon { width: 2.5rem; height: 2.5rem; }
    .push-promo-status,
    .push-device-actions { grid-column: 1; }
    .integration-card { grid-template-columns: auto 1fr; }
    .integration-card > :last-child { grid-column: 1 / -1; }
    .knx-first-setup-heading { flex-direction: column; }
    .knx-first-setup-actions .text-link { width: 100%; margin-left: 0; }
    .api-key-row { grid-template-columns: 1fr; }
    .data-table { display: block; overflow-x: auto; white-space: nowrap; }
    .entity-panel { padding-inline: .9rem; }
    .entity-panel-header { align-items: flex-start; }
    .entity-toolbar { grid-template-columns: 1fr; padding: .75rem; }
    .entity-search { grid-column: auto; }
    .entity-filter-summary { align-items: flex-start; }
    .entity-table-wrap .data-table { overflow: visible; }
    .auth-shell { display: block; min-height: auto; margin: 1rem; }
    .auth-aside { display: none; }
    .manage-layout { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .knx-flow { grid-template-columns: 1fr; }
    .knx-flow-arrow { transform: rotate(90deg); text-align: center; }
    .knx-platform-list > div { grid-template-columns: auto 1fr; }
    .knx-platform-state { grid-column: 2; justify-self: start; }
    .header-actions .button { display: none; }
    .kpi-grid { grid-template-columns: 1fr 1fr; gap: .65rem; }
    .kpi-card { padding: .9rem; }
    .kpi-value { font-size: 1.45rem; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-grid > div:first-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
/* Persisted, accessible language selector used in public, account and app layouts. */
.language-switcher { display:inline-flex; align-items:center; gap:.22rem; color:var(--muted); font-size:.78rem; font-weight:750; letter-spacing:.04em; white-space:nowrap; }
.language-switcher form { display:inline-flex; margin:0; }
.language-switcher button { appearance:none; border:0; background:transparent; color:inherit; cursor:pointer; font:inherit; letter-spacing:inherit; padding:.28rem .18rem; text-decoration:none; text-underline-offset:.2rem; }
.language-switcher button:hover { color:var(--text); }
.language-switcher button.active, .language-switcher button[aria-current="true"] { color:var(--primary); cursor:default; text-decoration:underline; }
.language-switcher button:focus-visible { border-radius:.25rem; outline:2px solid var(--primary); outline-offset:2px; }