/* ──────────────────────────────────────────────────────────────
   Uptime Dashboard — Neuron Partners × Randstad
   Design system aligned with randstad.neuron-partners.fr
   ────────────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    /* Neuron Partners */
    --np-copper:        #B8663B;
    --np-copper-light:  #C8794F;
    --np-copper-10:     rgba(184, 102, 59, 0.08);
    --np-purple:        #7B4F8A;
    --np-purple-light:  #9B6BAA;
    --np-purple-10:     rgba(123, 79, 138, 0.08);

    /* Randstad */
    --rs-navy:          #0f1941;
    --rs-blue:          #2175d9;

    /* Warm neutrals */
    --warm-50:          #fdfbf8;
    --warm-100:         #f7f3ee;
    --warm-200:         #ece5dc;

    /* Grays */
    --gray-200:         #e5e7eb;
    --gray-400:         #9ca3af;
    --gray-500:         #6b7280;
    --gray-700:         #374151;
    --gray-900:         #111827;

    /* Health semantics */
    --ok:               #2f7d4f;
    --ok-bg:            rgba(47, 125, 79, 0.10);
    --warning:          #c98a2b;
    --warning-bg:       rgba(201, 138, 43, 0.12);
    --down:             #b54141;
    --down-bg:          rgba(181, 65, 65, 0.10);
    --muted:            #efe9de;     /* missing data segment, near-bg */

    --radius:           10px;
}

html, body {
    background: var(--warm-50);
    color: var(--gray-700);
    line-height: 1.5;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--np-copper); text-decoration: none; }

/* ── Header ─────────────────────────────────────────────────── */

header.site-header {
    background: #fff;
    border-bottom: 1px solid var(--warm-200);
    padding: 0 32px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand { display: flex; align-items: center; gap: 18px; }
.brand img { height: 28px; width: auto; }
.brand-sep { width: 1px; height: 22px; background: var(--warm-200); }
.brand-client {
    display: inline-flex;
    align-items: center;
}
.brand-client img {
    height: 28px;
    width: auto;
    display: block;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.updated {
    font-size: 0.72rem;
    color: var(--gray-400);
}
.updated.stale { color: var(--down); font-weight: 600; }

.btn {
    padding: 8px 16px;
    border: 1px solid var(--warm-200);
    border-radius: 8px;
    background: #fff;
    color: var(--gray-700);
    font-size: 0.78rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.btn:hover { border-color: var(--np-copper-light); color: var(--np-copper); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.refreshing { color: var(--gray-400); }
.btn-primary {
    background: var(--np-copper);
    color: #fff;
    border-color: var(--np-copper);
}
.btn-primary:hover { background: var(--np-copper-light); border-color: var(--np-copper-light); color: #fff; }

/* ── Main layout ────────────────────────────────────────────── */

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}
.subtitle {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 32px;
}

.section { margin-bottom: 36px; }

.section-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gray-400);
    margin-bottom: 12px;
    padding-left: 4px;
}

/* ── Cards ──────────────────────────────────────────────────── */

.card {
    background: #fff;
    border: 1px solid var(--warm-200);
    border-radius: var(--radius);
    padding: 20px 24px;
}

/* ── Status banner ──────────────────────────────────────────── */

.banner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    margin-bottom: 24px;
    font-size: 0.92rem;
    font-weight: 500;
}
.banner-icon {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}
.banner-text { flex: 1; }
.banner-meta { font-size: 0.78rem; color: var(--gray-500); }

.banner-ok       { background: var(--ok-bg);      border-color: rgba(47, 125, 79, 0.25);   color: var(--gray-900); }
.banner-ok      .banner-icon { background: var(--ok); }
.banner-warning  { background: var(--warning-bg); border-color: rgba(201, 138, 43, 0.30);  color: var(--gray-900); }
.banner-warning .banner-icon { background: var(--warning); }
.banner-down     { background: var(--down-bg);    border-color: rgba(181, 65, 65, 0.30);   color: var(--gray-900); }
.banner-down    .banner-icon { background: var(--down); }

/* ── KPI grid ───────────────────────────────────────────────── */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.kpi h3 {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--gray-400);
    margin-bottom: 10px;
}
.kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.02em;
    line-height: 1.1;
}
.kpi-meta {
    font-size: 0.78rem;
    color: var(--gray-500);
    margin-top: 6px;
}

/* ── Status Page ────────────────────────────────────────────── */

.status-list { display: flex; flex-direction: column; gap: 12px; }

.site-card { padding: 18px 22px; }

.site-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
}
.site-head-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.site-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.site-dot.up      { background: var(--ok); }
.site-dot.down    { background: var(--down); }
.site-dot.paused  { background: var(--gray-400); }
.site-dot.unknown { background: var(--gray-400); }

.site-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-900);
}
.site-url {
    font-size: 0.78rem;
    color: var(--gray-500);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.site-uptime {
    font-size: 0.85rem;
    color: var(--gray-700);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
.site-uptime b { color: var(--gray-900); font-weight: 600; }

.heatmap {
    display: flex;
    gap: 1px;
    height: 28px;
    align-items: stretch;
}
.heatmap-cell {
    flex: 1;
    min-width: 0;
    border-radius: 2px;
    cursor: default;
    transition: transform 0.1s;
    position: relative;
}
.heatmap-cell:hover { transform: scaleY(1.15); }
.heatmap-cell.clickable { cursor: pointer; }
.heatmap-cell.clickable:hover { outline: 1px solid var(--gray-700); outline-offset: 1px; }
.heatmap-cell.ok        { background: var(--ok); }
.heatmap-cell.warning   { background: var(--warning); }
.heatmap-cell.down      { background: var(--down); }
.heatmap-cell.missing   { background: var(--muted); }

.range-note {
    font-size: 0.72rem;
    color: var(--gray-500);
    align-self: center;
    margin-left: auto;
    padding-left: 10px;
}
@media (max-width: 620px) {
    .range-note { margin-left: 0; padding-left: 0; width: 100%; padding-top: 6px; }
}

.heatmap-axis {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--gray-400);
    margin-top: 8px;
}

/* ── Period selector ────────────────────────────────────────── */

.period-bar {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.period-btn {
    padding: 6px 12px;
    border: 1px solid var(--warm-200);
    border-radius: 6px;
    background: #fff;
    color: var(--gray-500);
    font-size: 0.78rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.period-btn:hover { border-color: var(--np-copper-light); color: var(--np-copper); }
.period-btn.active {
    background: var(--np-copper);
    color: #fff;
    border-color: var(--np-copper);
}

.period-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px 4px 12px;
    border: 1px solid var(--warm-200);
    border-radius: 6px;
    background: #fff;
    margin-left: auto;        /* push to the right end of the bar */
}
.period-date-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: none;
}
#date-picker {
    border: 0;
    background: transparent;
    font: inherit;
    font-size: 0.78rem;
    color: var(--gray-700);
    padding: 2px 0;
    cursor: pointer;
    color-scheme: light;
}
#date-picker:focus { outline: none; }
#date-picker::-webkit-calendar-picker-indicator {
    cursor: pointer;
    filter: invert(35%) sepia(40%) saturate(700%) hue-rotate(345deg);
    /* approximates --np-copper */
}
@media (max-width: 520px) {
    .period-date { margin-left: 0; width: 100%; justify-content: center; }
}

.gantt-date-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin: 4px 0 14px;
}
.gantt-date-nav[hidden] { display: none; }
.date-nav-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--warm-200);
    border-radius: 6px;
    background: #fff;
    color: var(--gray-500);
    font-size: 1.1rem;
    line-height: 1;
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.date-nav-btn:hover:not(:disabled) { border-color: var(--np-copper-light); color: var(--np-copper); }
.date-nav-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.date-nav-label {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--gray-900);
    min-width: 200px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.gantt-scroll {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--warm-200) transparent;
}
.gantt-scroll::-webkit-scrollbar { height: 6px; }
.gantt-scroll::-webkit-scrollbar-track { background: transparent; }
.gantt-scroll::-webkit-scrollbar-thumb {
    background: var(--warm-200);
    border-radius: 3px;
}

.gantt-wrap {
    position: relative;
    height: 240px;
}

.gantt-empty {
    text-align: center;
    color: var(--gray-400);
    font-size: 0.85rem;
    padding: 48px 16px;
}

.gantt-hint {
    font-size: 0.72rem;
    color: var(--gray-400);
    text-align: right;
    margin-top: 6px;
    padding-right: 4px;
}

/* Period selector: full labels on desktop, short on mobile */
.period-short { display: none; }
@media (max-width: 520px) {
    .period-full  { display: none; }
    .period-short { display: inline; }
    .period-btn   { padding: 6px 10px; font-size: 0.75rem; }
}

@media (max-width: 768px) {
    .gantt-wrap {
        height: 280px;
        min-width: 620px;       /* 1 week — keeps day labels readable */
    }
    .gantt-wrap.wide {
        min-width: 1600px;      /* 4 weeks — horizontal scroll */
    }
}

/* ── Other indicators (donut + bar) ─────────────────────────── */

.other-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 16px;
}
.chart-full { margin-top: 16px; }
.chart-note {
    margin-top: 10px;
    font-size: 0.72rem;
    color: var(--gray-500);
}

.chart-wrap {
    position: relative;
    height: 260px;
}
.chart-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    text-align: center;
    margin-bottom: 12px;
}

/* ── Legend ─────────────────────────────────────────────────── */

.legend {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.78rem;
    color: var(--gray-500);
    margin-top: 12px;
    padding-left: 4px;
}
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-swatch {
    width: 10px; height: 10px;
    border-radius: 2px;
}

/* ── Share help (URL doc) ───────────────────────────────────── */

.share-help { padding: 16px 20px; }
.share-help-summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    user-select: none;
}
.share-help-summary::-webkit-details-marker { display: none; }
.share-help-summary::before {
    content: '›';
    color: var(--gray-400);
    font-size: 1.2rem;
    line-height: 1;
    transition: transform 0.15s;
    display: inline-block;
    width: 12px;
    text-align: center;
}
.share-help[open] .share-help-summary::before { transform: rotate(90deg); }
.share-help-summary:hover { color: var(--np-copper); }
.share-help-summary:hover::before { color: var(--np-copper); }

.share-help-body {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--warm-100);
    color: var(--gray-700);
    font-size: 0.85rem;
    line-height: 1.55;
}
.share-help-body p { margin-bottom: 10px; }
.share-help-body p:last-child { margin-bottom: 0; }

.share-help-list {
    list-style: none;
    margin: 8px 0 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.share-help code {
    background: var(--warm-100);
    color: var(--np-copper);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.78rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    word-break: break-word;
}

.share-help-meta {
    color: var(--gray-500);
    font-size: 0.78rem;
    margin-top: 4px;
}

/* ── Footer ─────────────────────────────────────────────────── */

footer {
    text-align: center;
    padding: 24px;
    font-size: 0.75rem;
    color: var(--gray-400);
    border-top: 1px solid var(--warm-200);
    max-width: 1200px;
    margin: 0 auto;
}

/* ── Tooltip ────────────────────────────────────────────────── */

.tooltip {
    position: fixed;
    pointer-events: none;
    background: var(--rs-navy);
    color: #fff;
    font-size: 0.75rem;
    padding: 8px 12px;
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(15, 25, 65, 0.18);
    z-index: 1000;
    max-width: 260px;
    line-height: 1.4;
    opacity: 0;
    transform: translate(-50%, -100%) translateY(-6px);
    transition: opacity 0.1s;
}
.tooltip.visible { opacity: 1; }
.tooltip-title { font-weight: 600; margin-bottom: 2px; }
.tooltip-meta  { color: rgba(255, 255, 255, 0.7); font-size: 0.7rem; }

/* ── Responsive ─────────────────────────────────────────────── */

@media (max-width: 900px) {
    .kpi-grid { grid-template-columns: 1fr 1fr; }
    .other-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    header.site-header { padding: 0 16px; }
    main { padding: 24px 16px 60px; }
    .kpi-grid { grid-template-columns: 1fr; }
    .site-head { flex-direction: column; align-items: flex-start; gap: 6px; }
    .site-url { max-width: 100%; }
    .heatmap { height: 28px; }
}