:root {
    --bg: #121612;
    --raise: #1c241c;
    --raise-2: #243024;
    --line: #314032;
    --ink: #edf3ea;
    --muted: #9aab96;
    --bajada: #3cba7a;
    --subida: #e0a13a;
    --rx: #7eb6ff;
    --tx: #e07a4c;
    --offline: #8d2428;
    --offline-ink: #ffe8e6;
    --ok: #b7e4c7;
    --warn-bg: #3d3114;
    --warn-ink: #f3ddaa;
    --danger: #ffb4ae;
    --shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(1200px 500px at 10% -10%, rgba(60, 186, 122, 0.08), transparent 55%),
        var(--bg);
    color: var(--ink);
    font-family: "Segoe UI", "Helvetica Neue", sans-serif;
    line-height: 1.45;
}

a { color: inherit; }

.top, .cards, .panel, .login-card {
    width: min(1120px, calc(100% - 32px));
    margin-left: auto;
    margin-right: auto;
}

.top {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-end;
    padding: 28px 0 8px;
}

.eyebrow {
    margin: 0 0 4px;
    color: var(--bajada);
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 650;
    letter-spacing: -0.03em;
}

h2 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 650;
}

.top-meta {
    text-align: right;
    color: var(--muted);
}

.top-meta p { margin: 0 0 6px; }

.text-link {
    color: var(--ink);
    text-decoration: none;
    border-bottom: 1px solid var(--line);
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 18px;
}

.card, .panel, .login-card {
    background: var(--raise);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.card { padding: 16px 18px 14px; }

.card.has-spark {
    position: relative;
    overflow: hidden;
    min-height: 112px;
}

.card.has-spark h2,
.card.has-spark .stat {
    position: relative;
    z-index: 1;
}

.stat {
    margin: 10px 0 0;
    font-family: Consolas, "Cascadia Mono", monospace;
    font-size: 1.7rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.03em;
}

.panel { margin: 18px auto 28px; padding: 16px 16px 8px; }

.panel-head { padding: 4px 6px 12px; }

.panel-head-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.view-toggle { padding: 0; flex: none; }

#clients-panel:not(.is-cards) #client-cards { display: none; }
#clients-panel.is-cards #client-table { display: none; }

.client-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    padding: 0 6px 14px;
}

.client-tools .ranges { padding: 0; }

.client-tools input[type="search"] {
    flex: 1 1 220px;
    min-width: 180px;
    border: 1px solid var(--line);
    background: #101610;
    color: var(--ink);
    border-radius: 10px;
    padding: 10px 12px;
    font: inherit;
}

.client-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 12px;
    padding: 4px 6px 16px;
}

.client-card {
    position: relative;
    overflow: hidden;
    display: block;
    text-decoration: none;
    background: var(--raise-2);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
    color: inherit;
    min-height: 132px;
}

.card-spark {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 78%;
    opacity: 0.55;
    pointer-events: none;
}

.client-card h3,
.client-card .note,
.client-card .status,
.client-card .client-speeds {
    position: relative;
    z-index: 1;
}

.client-card:hover { border-color: var(--bajada); }
.client-card:focus-visible { outline: 2px solid var(--bajada); outline-offset: 2px; }

.client-card h3 {
    margin: 0;
    font-size: 1.08rem;
    letter-spacing: -0.02em;
    word-break: break-word;
}

.client-card .status {
    margin: 6px 0 14px;
    font-size: 0.84rem;
}

.client-card .note,
td.note {
    color: inherit;
    white-space: normal;
    max-width: 280px;
}

.client-card .note {
    margin: -8px 0 12px;
    font-size: 0.84rem;
    opacity: 0.86;
}

.comment {
    width: min(1120px, calc(100% - 32px));
    margin: 12px auto 0;
    padding: 12px 16px;
    border-radius: 12px;
    background: var(--raise);
    border: 1px solid var(--line);
}

.client-speeds {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.client-speeds span {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    opacity: 0.72;
}

.client-speeds strong {
    display: block;
    margin-top: 2px;
    font-family: Consolas, "Cascadia Mono", monospace;
    font-size: 1.05rem;
    font-weight: 650;
    font-variant-numeric: tabular-nums;
}

.client-card.is-offline {
    background: var(--offline);
    color: var(--offline-ink);
    border-color: transparent;
}

.client-card.is-offline:hover { border-color: var(--offline-ink); }

.client-empty {
    margin: 0;
    color: var(--muted);
}

.share-box { padding: 0 6px 16px; }

.share-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 0 0;
}

.share-url {
    width: 100%;
    margin-top: 10px;
    border: 1px solid var(--line);
    background: #101610;
    color: var(--ink);
    border-radius: 10px;
    padding: 12px;
    font: inherit;
}

.hint { margin: 6px 0 0; color: var(--muted); }

.table-wrap { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 680px;
}

th, td {
    padding: 11px 12px;
    text-align: left;
    border-top: 1px solid var(--line);
    white-space: nowrap;
}

th {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 650;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

tbody tr.is-link { cursor: pointer; }
tbody tr.is-link:hover { background: var(--raise-2); }
tbody tr.is-link:focus-visible { outline: 2px solid var(--bajada); outline-offset: -2px; }

tbody tr.is-offline,
tbody tr.is-offline:hover {
    background: var(--offline);
    color: var(--offline-ink);
}

.num { font-family: Consolas, "Cascadia Mono", monospace; font-variant-numeric: tabular-nums; }
td.empty { color: var(--muted); white-space: normal; }

.banner {
    width: min(1120px, calc(100% - 32px));
    margin: 16px auto 0;
    padding: 12px 16px;
    border-radius: 12px;
    font-weight: 650;
}

.banner.is-offline {
    background: var(--offline);
    color: var(--offline-ink);
}

.banner.is-down {
    background: var(--warn-bg);
    color: var(--warn-ink);
}

.banner.is-ok {
    background: #173324;
    color: var(--ok);
}

.ranges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 4px 6px 12px;
}

.ranges button, .share-actions button, .login-card button {
    border: 1px solid var(--line);
    background: var(--raise-2);
    color: var(--ink);
    border-radius: 999px;
    padding: 8px 14px;
    font: inherit;
    cursor: pointer;
}

.ranges button.is-selected {
    background: var(--ink);
    color: #142016;
    border-color: var(--ink);
}

.chart-box { position: relative; height: 360px; padding: 8px 6px 18px; }

.form-error {
    color: var(--danger);
    background: #3a1719;
    border-radius: 10px;
    padding: 10px 12px;
}

.page-login {
    display: grid;
    place-items: center;
}

.login-card {
    padding: 28px 26px;
    margin-top: 12vh;
}

.login-card form { display: grid; gap: 8px; margin-top: 18px; }

.login-card input {
    width: 100%;
    border: 1px solid var(--line);
    background: #101610;
    color: var(--ink);
    border-radius: 10px;
    padding: 12px;
    font: inherit;
}

.login-card button {
    margin-top: 8px;
    border-radius: 10px;
    background: var(--bajada);
    color: #102016;
    border: 0;
    font-weight: 700;
}

#dash-error, #detail-error { margin: 0 6px 16px; }

@media (max-width: 800px) {
    .cards { grid-template-columns: 1fr; }
    .top { flex-direction: column; align-items: flex-start; }
    .top-meta { text-align: left; }
    .panel-head-row { flex-direction: column; }
    .client-grid { grid-template-columns: 1fr; }
    h1 { font-size: 1.45rem; }
}