:root {
    --bg: #f6f7f9;
    --panel: #ffffff;
    --text: #1f2430;
    --muted: #6b7280;
    --border: #e3e6ea;
    --brand: #2f6fed;
    --up: #22a06b;
    --down: #e5484d;
    --pending: #f5a623;
    --degraded: #e8830c;
    --off: #9aa1ab;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.layout { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0 1.25rem;
    height: 56px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
}
.brand { display: inline-flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1.1rem; color: var(--text); }
.brand-logo { height: 24px; width: auto; display: block; }
.nav { display: flex; gap: 1rem; }
.nav a { color: var(--muted); font-weight: 500; }
.nav a:hover { color: var(--text); text-decoration: none; }
.user { margin-left: auto; display: flex; align-items: center; gap: .75rem; color: var(--muted); }
.username { font-size: .9rem; }
.logout-form { margin: 0; }

.content { flex: 1; width: 100%; max-width: 960px; margin: 0 auto; padding: 1.5rem 1.25rem; }

.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
h1 { font-size: 1.4rem; margin: 0 0 .25rem; }
.muted { color: var(--muted); }

/* Buttons */
.btn, .btn-secondary, .btn-danger {
    display: inline-block;
    padding: .5rem .9rem;
    border-radius: 6px;
    border: 1px solid transparent;
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}
.btn { background: var(--brand); color: #fff; }
.btn:hover { background: #2a63d4; text-decoration: none; }
.btn-secondary { background: var(--panel); color: var(--text); border-color: var(--border); }
.btn-danger { background: var(--down); color: #fff; margin-left: auto; }
.btn-link { background: none; border: none; color: var(--muted); cursor: pointer; padding: 0; font: inherit; }
.btn-link:hover { color: var(--text); text-decoration: underline; }

/* Forms */
.form { display: flex; flex-direction: column; gap: .9rem; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 1.25rem; }
.form-wide { max-width: 560px; }
.form label { display: flex; flex-direction: column; gap: .3rem; font-weight: 600; font-size: .85rem; }
.form label.check { flex-direction: row; align-items: center; gap: .5rem; font-weight: 500; }
.form input:not([type=checkbox]), .form select {
    padding: .5rem .6rem; border: 1px solid var(--border); border-radius: 6px; font: inherit; background: #fff; color: var(--text);
}
.form .row { display: flex; gap: .9rem; flex-wrap: wrap; }
.form .row label { flex: 1; min-width: 120px; }
.ping-url { display: flex; gap: .5rem; align-items: center; }
.ping-url input { flex: 1; padding: .5rem .6rem; border: 1px solid var(--border); border-radius: 6px; font: inherit; background: #fff; color: var(--text); }
.ping-url .btn-secondary { flex: 0 0 auto; white-space: nowrap; }
.push-detail { display: flex; flex-direction: column; gap: .6rem; }
.actions { display: flex; align-items: center; gap: .6rem; margin-top: .4rem; }

/* Auth card */
.auth-card { max-width: 380px; margin: 3rem auto; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 1.75rem; }
.auth-brand { display: flex; align-items: center; justify-content: center; gap: .5rem; margin-bottom: 1rem; font-weight: 700; font-size: 1.25rem; color: var(--text); }
.auth-logo { height: 32px; width: auto; display: block; }
.auth-card h1 { margin-bottom: .5rem; }
.auth-card .form { border: none; padding: 1rem 0 0; background: none; }
.auth-card .auth-alt { text-align: center; margin: .9rem 0 0; font-size: .85rem; }

/* Alerts */
.alert { padding: .6rem .8rem; border-radius: 6px; font-size: .9rem; }
.alert.error { background: #fdecec; color: #a12027; border: 1px solid #f5c2c4; }
.alert.success { background: #e7f6ee; color: #1b7a4f; border: 1px solid #b6e2c9; }
.alert.warn { background: #fef6e7; color: #8a5a08; border: 1px solid #f6ddb0; }

/* Dashboard table */
table.monitors { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
table.monitors th, table.monitors td { text-align: left; padding: .6rem .75rem; border-bottom: 1px solid var(--border); }
table.monitors th { font-size: .75rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
table.monitors tr:last-child td { border-bottom: none; }
table.monitors td.name { font-weight: 600; }

.dot { display: inline-block; width: 11px; height: 11px; border-radius: 50%; background: var(--off); }
.dot.up { background: var(--up); }
.dot.down { background: var(--down); }
.dot.pending { background: var(--pending); }
.dot.degraded { background: var(--degraded); }
.dot.off { background: var(--off); }

/* Blazor framework UI */
#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: 0.75rem; top: 0.5rem; }

.valid.modified:not([type=checkbox]) { outline: 1px solid #26b050; }
.invalid { outline: 1px solid #e50000; }
.validation-message { color: #e50000; }

.blazor-error-boundary {
    background: #b32121;
    padding: 1rem;
    color: white;
}
.blazor-error-boundary::after { content: "An error has occurred."; }

/* Visualization / detail page */
.stat-cards { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 1.25rem; }
.stat-card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: .7rem 1rem; min-width: 120px; display: flex; flex-direction: column; gap: .25rem; }
.stat-label { font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.stat-value { font-size: 1.15rem; font-weight: 700; }
.stat-value.ok { color: var(--up); }
.stat-value.bad { color: var(--down); }
.stat-value.warn { color: var(--pending); }
.stat-value.degraded { color: var(--degraded); }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 1rem 1.25rem; margin-bottom: 1.25rem; }
.panel h2 { font-size: .8rem; margin: 0 0 .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }

.hb-bar { display: block; max-width: 100%; }

.rt-chart svg { display: block; width: 100%; background: linear-gradient(#ffffff, #fbfcfe); border: 1px solid var(--border); border-radius: 6px; }
.rt-axis { display: flex; justify-content: space-between; font-size: .7rem; color: var(--muted); margin-top: .25rem; }

table.events { width: 100%; border-collapse: collapse; }
table.events th, table.events td { text-align: left; padding: .45rem .6rem; border-bottom: 1px solid var(--border); font-size: .85rem; }
table.events th { font-size: .7rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
table.events tr:last-child td { border-bottom: none; }
table.events td.reason { color: var(--muted); max-width: 360px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Last failure diagnostics: a definition list, since values range from a header to an error page. */
dl.diagnostics { display: grid; grid-template-columns: minmax(7rem, max-content) 1fr; gap: .35rem .9rem; margin: 0; font-size: .85rem; }
dl.diagnostics dt { color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .03em; padding-top: .15rem; }
/* Target-controlled text: it can be one long unbroken token, so it must wrap rather than widen the page. */
dl.diagnostics dd { margin: 0; overflow-wrap: anywhere; }
dl.diagnostics dd span + span::before { content: " · "; color: var(--muted); }

.page-header h1 .dot { width: 13px; height: 13px; vertical-align: middle; margin-right: .35rem; }

/* Monitor picker (status page edit) */
.monitor-picker { border: 1px solid var(--border); border-radius: 8px; padding: .75rem 1rem; display: flex; flex-direction: column; gap: .4rem; }
.monitor-picker legend { font-size: .8rem; font-weight: 700; color: var(--muted); padding: 0 .35rem; }

/* Public status page */
.status-wrap { max-width: 640px; margin: 3rem auto; padding: 0 1.25rem; }
.status-head { text-align: center; margin-bottom: 1.5rem; }
.status-logo { display: block; height: 44px; width: auto; margin: 0 auto .5rem; }
.status-head h1 { font-size: 1.6rem; }
.status-banner { text-align: center; font-weight: 600; padding: .9rem; border-radius: 8px; margin-bottom: 1.5rem; }
.status-banner.ok { background: #e7f6ee; color: #1b7a4f; border: 1px solid #b6e2c9; }
.status-banner.bad { background: #fdecec; color: #a12027; border: 1px solid #f5c2c4; }
.status-banner.degraded { background: #fef6e7; color: #8a5a08; border: 1px solid #f6ddb0; }
.status-list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--panel); }
.status-list li { display: flex; align-items: center; gap: .75rem; padding: .8rem 1rem; border-bottom: 1px solid var(--border); }
.status-list li:last-child { border-bottom: none; }
.status-list .s-name { font-weight: 600; }
.status-list .s-uptime { margin-left: auto; font-size: .8rem; color: var(--muted); }
.status-list .s-status { font-size: .85rem; font-weight: 600; min-width: 92px; text-align: right; }
.status-list .s-status.ok { color: var(--up); }
.status-list .s-status.bad { color: var(--down); }
.status-list .s-status.warn { color: var(--pending); }
.status-list .s-status.degraded { color: var(--degraded); }
.status-foot { display: flex; justify-content: space-between; margin-top: 1rem; font-size: .75rem; color: var(--muted); }

/* Status page incidents and maintenance */
.status-section { margin-bottom: 1.5rem; }
.status-section h2 { font-size: .95rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 0 0 .6rem; }
.status-notice {
    border: 1px solid var(--border); border-left-width: 4px; border-radius: 8px;
    background: var(--panel); padding: .9rem 1rem; margin-bottom: .75rem;
}
/* Left border carries the state, so the notice is scannable without reading it. */
.status-notice.open { border-left-color: var(--down); }
.status-notice.resolved { border-left-color: var(--up); }
.status-notice.in-progress { border-left-color: var(--degraded); }
.status-notice h3 { margin: 0 0 .25rem; font-size: .95rem; display: flex; align-items: center; gap: .5rem; }
.status-notice p { margin: .25rem 0; }
.status-updates { list-style: none; margin: .6rem 0 0; padding: 0; }
.status-updates li { border-top: 1px solid var(--border); padding: .55rem 0; }
.status-updates li:first-child { border-top: none; }
.status-updates strong { margin-right: .5rem; }
.status-updates p { margin: .2rem 0 0; }

/* Incident detail */
.detail-grid { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1rem; margin-bottom: 1.5rem; }
.detail-grid dt { color: var(--muted); font-size: .85rem; }
.detail-grid dd { margin: 0; }

/* Maintenance editor */
.day-picker { display: flex; flex-wrap: wrap; gap: .75rem; margin: .5rem 0; }

/* Tags */
.tag-chip {
    display: inline-block; padding: .1rem .45rem; border-radius: 999px;
    font-size: .72rem; font-weight: 600; line-height: 1.5;
    /* White on a user-chosen colour; the shadow keeps it legible on pale colours. */
    color: #fff; text-shadow: 0 0 2px rgba(0, 0, 0, .45);
    white-space: nowrap;
}
.tag-list { display: flex; flex-wrap: wrap; gap: .5rem 1rem; }
.tag-cell { display: flex; flex-wrap: wrap; gap: .25rem; }

.tag-filter { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; margin-bottom: 1rem; }
.tag-filter .btn-tag {
    background: var(--panel); border: 1px solid var(--border); border-radius: 999px;
    padding: .25rem .6rem; font: inherit; font-size: .78rem; cursor: pointer; color: var(--text);
    display: inline-flex; align-items: center; gap: .35rem;
}
.tag-filter .btn-tag:hover { border-color: var(--muted); }
.tag-filter .btn-tag.on { border-color: var(--brand); background: #eef3fe; color: var(--brand); font-weight: 600; }
.tag-filter .btn-tag .swatch { display: inline-block; width: 9px; height: 9px; border-radius: 50%; }
.tag-filter .count { color: var(--muted); font-size: .72rem; }

/* Responsive layout. Breakpoints follow what stops fitting, not device names:
     1000px  the topbar fits only with tighter spacing
      900px  the nav and the nine-column tables no longer fit
      560px  status page rows and stat cards wrap
      420px  the label column in stacked table rows shrinks */

/* Nothing may make the document wider than the viewport. */
html { -webkit-text-size-adjust: 100%; }
img, svg { max-width: 100%; }

/* Textareas match the other inputs instead of the browser's default monospace. */
.form textarea {
    padding: .5rem .6rem; border: 1px solid var(--border); border-radius: 6px;
    font: inherit; background: #fff; color: var(--text); width: 100%; resize: vertical;
}

/* The hamburger: always rendered, and shown only below the 900px breakpoint. */
.nav-toggle {
    display: none;
    align-items: center;
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: .45rem .55rem;
    color: var(--text);
    cursor: pointer;
}
.nav-toggle svg { fill: currentColor; display: block; }
.nav-toggle:hover { border-color: var(--muted); }

@media (max-width: 1000px) {
    /* Saves about 65px, enough for the full nav to fit down to 900px. */
    .topbar { gap: 1rem; padding: 0 1rem; }
    .nav { gap: .75rem; }
    .nav a { font-size: .9rem; }
}

@media (max-width: 900px) {

    /* Topbar: nav and account collapse behind the toggle, which js/nav.js opens via data-nav-open. */
    .topbar {
        flex-wrap: wrap;
        height: auto;
        min-height: 56px;
        padding: .55rem 1rem;
        gap: .5rem;
    }
    .brand { margin-right: auto; }
    .nav-toggle { display: inline-flex; }

    .nav, .user { display: none; flex-basis: 100%; }
    .topbar[data-nav-open] .nav { display: flex; flex-direction: column; gap: 0; }
    .topbar[data-nav-open] .user { display: flex; }

    .nav a { padding: .8rem .15rem; border-top: 1px solid var(--border); color: var(--text); }
    .user {
        margin-left: 0;
        justify-content: space-between;
        padding: .8rem .15rem .3rem;
        border-top: 1px solid var(--border);
    }

    .content { padding: 1.1rem 1rem 2rem; }

    /* Page headers */
    .page-header { flex-wrap: wrap; gap: .75rem; align-items: flex-start; }
    /* min-width:0 lets a long monitor name wrap instead of widening the flex line. */
    .page-header > div { min-width: 0; }
    .page-header h1 { overflow-wrap: anywhere; }
    .actions { flex-wrap: wrap; }

    /* Wide tables become cards; each cell shows its column heading from data-label. */
    table.monitors, table.monitors thead, table.monitors tbody,
    table.monitors tr, table.monitors th, table.monitors td,
    table.events, table.events thead, table.events tbody,
    table.events tr, table.events th, table.events td { display: block; }

    table.monitors, table.events { border: none; background: none; overflow: visible; }

    /* Visually hidden, not display:none, so screen readers still announce the headings. */
    table.monitors thead, table.events thead {
        position: absolute; width: 1px; height: 1px;
        overflow: hidden; clip-path: inset(50%); white-space: nowrap;
    }

    table.monitors tr, table.events tr {
        position: relative;
        background: var(--panel);
        border: 1px solid var(--border);
        border-radius: 8px;
        padding: .7rem .85rem;
        margin-bottom: .6rem;
    }

    table.monitors td, table.events td {
        border-bottom: none;
        padding: .25rem 0;
        display: flex;
        gap: .75rem;
        align-items: baseline;
        min-width: 0;
        overflow-wrap: anywhere;
    }
    table.monitors td::before, table.events td::before {
        content: attr(data-label);
        flex: 0 0 6.5rem;
        color: var(--muted);
        font-size: .7rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: .03em;
    }
    /* Hide empty cells, such as an unpublished status page's View link. */
    table.monitors td:empty, table.events td:empty { display: none; }

    /* The name is the card title: full width, no label, padded clear of the status dot. */
    table.monitors td.name {
        display: block;
        font-size: 1.02rem;
        padding: 0 1.6rem .2rem 0;
        margin-bottom: .2rem;
    }
    table.monitors td.name::before { content: none; }

    /* The status dot becomes a corner marker, not a row of its own. */
    table.monitors td.cell-lead {
        position: absolute;
        top: .8rem;
        right: .85rem;
        padding: 0;
    }
    table.monitors td.cell-lead::before { content: none; }

    /* Row actions sit on their own line under a rule, with room to tap. */
    table.monitors td.cell-actions, table.events td.cell-actions {
        border-top: 1px solid var(--border);
        margin-top: .45rem;
        padding-top: .55rem;
        gap: 1.25rem;
        flex-wrap: wrap;
    }
    table.monitors td.cell-actions::before, table.events td.cell-actions::before { content: none; }
    table.monitors td.cell-actions a, table.monitors td.cell-actions button { padding: .2rem 0; }

    /* The desktop table keeps the reason on one line; in a card it wraps. */
    table.events td.reason { max-width: none; white-space: normal; overflow: visible; }

    /* Forms and hit targets. Fields need 16px text, or iOS Safari zooms in on focus and stays zoomed. */
    .form input:not([type=checkbox]), .form select, .form textarea, .ping-url input {
        font-size: 16px;
        min-height: 44px;
        max-width: 100%;
    }
    .form input[type=checkbox] { width: 1.15rem; height: 1.15rem; }
    .form input[type=color] { min-height: 38px; padding: .2rem; }
    .form label.check { align-items: flex-start; gap: .6rem; }

    .btn, .btn-secondary, .btn-danger {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 44px;
        padding: .6rem 1rem;
    }
    .tag-filter .btn-tag { padding: .45rem .7rem; font-size: .82rem; }

    /* flex:1 alone still will not shrink an input below its content width. */
    .ping-url { flex-wrap: wrap; }
    .ping-url input { min-width: 0; }

    /* Definition grids stack, since a max-content first column can push the page sideways. */
    .detail-grid { grid-template-columns: 1fr; gap: 0; }
    .detail-grid dt { margin-top: .6rem; font-weight: 600; }
    .detail-grid dd { overflow-wrap: anywhere; }

    /* Auth and public status */
    .auth-card { margin: 1.25rem auto; padding: 1.25rem; }
    .status-wrap { margin: 1.5rem auto; padding: 0 1rem; }
    .status-head h1 { font-size: 1.35rem; }

    .stat-cards { gap: .6rem; }
    .stat-card { flex: 1 1 130px; padding: .6rem .8rem; }

    .panel { padding: .9rem 1rem; }
    .monitor-picker { padding: .7rem .85rem; }
    .day-picker { gap: .5rem .9rem; }
}

@media (max-width: 560px) {
    /* Status page rows: the uptime figure wraps under the name instead of crushing all three. */
    .status-list li { flex-wrap: wrap; padding: .75rem .85rem; }
    .status-list .s-name { flex: 1 1 auto; min-width: 0; overflow-wrap: anywhere; }
    /* The status stays on the name's line and the uptime drops below. `order` is needed because
       the uptime span comes first in the DOM. */
    .status-list .s-status { order: 2; flex: 0 0 auto; min-width: 0; margin-left: auto; text-align: right; white-space: nowrap; }
    .status-list .s-uptime { order: 3; flex-basis: 100%; margin-left: 1.75rem; }
    .status-foot { flex-wrap: wrap; gap: .35rem; }
    .status-banner { padding: .8rem .7rem; }

    .stat-card { flex: 1 1 calc(50% - .3rem); min-width: 0; }
    .page-header .btn, .page-header .btn-secondary { width: 100%; }
    .actions .btn, .actions .btn-secondary, .actions .btn-danger { flex: 1 1 auto; }
    .form { padding: 1rem; }
    .auth-card { margin: .75rem auto; }
}

@media (max-width: 420px) {
    /* On the narrowest phones the label column shrinks so the ~250px heartbeat bar does not. */
    table.monitors td::before, table.events td::before { flex-basis: 4.75rem; }
    .content { padding: 1rem .75rem 2rem; }
    .topbar { padding: .55rem .75rem; }
    .status-wrap { padding: 0 .75rem; }
}

/* Incident banner on the monitor detail page. The .alert classes carry no margin of their own
   because they normally sit inside a .form, whose gap spaces them. */
.incident-banner {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: .35rem .75rem;
    margin-bottom: 1.25rem;
}
.incident-banner a { white-space: nowrap; }