:root {
    --bg: #0b0e12;
    --panel: #12171e;
    --panel-2: #0e1319;
    --text: #d8dee8;
    --muted: #7f8b9c;
    --accent: #5b9fd4;
    --border: #2a323e;
    --grid: #1e2630;
    --ok: #4caf7a;
    --warn: #c9a227;
    --danger: #d16b6b;
    --mono: "Cascadia Mono", "Cascadia Code", "JetBrains Mono", "SF Mono",
            "Segoe UI Mono", ui-monospace, Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--mono);
    font-size: 13px;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* —— Header —— */
.top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.65rem 1.25rem;
    padding: 0.9rem 1.25rem 0.85rem;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
}

.brand-block {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.brand {
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: 0.01em;
    color: var(--text);
    line-height: 1.2;
}

.host-meta {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.host-load {
    font-size: 0.78rem;
    color: var(--muted);
    letter-spacing: 0.02em;
}

.pulse-led {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: #2e6b48;
    opacity: 0.4;
    flex-shrink: 0;
}

.pulse-led.flash {
    animation: ledflash 0.65s ease-out;
}

@keyframes ledflash {
    0% { opacity: 1; background: #4caf7a; box-shadow: 0 0 6px 1px rgba(76, 175, 122, 0.7); }
    100% { opacity: 0.4; background: #2e6b48; box-shadow: none; }
}

nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0.9rem;
}

nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.92rem;
    padding: 0.15rem 0;
    border-bottom: 1px solid transparent;
}

nav a:hover,
nav a.active {
    color: var(--text);
    border-bottom-color: var(--accent);
}

nav a.active {
    color: var(--text);
}

.nav-write.active-chip {
    border-color: var(--accent);
}

.nav-write {
    margin-left: 0.25rem;
    padding: 0.2rem 0.55rem;
    border: 1px solid var(--border);
    border-radius: 3px;
    background: var(--panel-2);
    font-size: 0.85rem;
    color: var(--muted);
    text-decoration: none;
    white-space: nowrap;
}

.nav-write:hover {
    border-color: var(--accent);
    color: var(--text);
}

.nav-write .wm-label { color: var(--muted); }
.nav-write .wm-value { font-weight: 600; }
.nav-write .wm-none { color: var(--ok); }
.nav-write .wm-held { color: var(--warn); }

/* —— Main —— */
.content {
    flex: 1;
    padding: 1.1rem 1.25rem 2rem;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

.foot {
    padding: 0.65rem 1.25rem;
    color: var(--muted);
    font-size: 0.75rem;
    border-top: 1px solid var(--border);
    background: var(--panel);
}

h1 {
    font-size: 1.15rem;
    margin: 0 0 0.75rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.01em;
    text-transform: none;
}

h2 {
    font-size: 1rem;
    margin: 1.1rem 0 0.5rem;
    color: var(--text);
    font-weight: 600;
    letter-spacing: 0.01em;
    text-transform: none;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.85rem 0.95rem;
    margin-bottom: 1rem;
    overflow-x: auto;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
    gap: 0.4rem;
}

.stat {
    background: var(--panel-2);
    border: 1px solid var(--grid);
    border-radius: 3px;
    padding: 0.5rem 0.6rem;
}

.stat .label {
    color: var(--muted);
    font-size: 0.75rem;
    letter-spacing: 0.01em;
    text-transform: none;
}

.stat .value {
    font-size: 1.02rem;
    font-weight: 600;
    margin-top: 0.18rem;
    font-variant-numeric: tabular-nums;
    word-break: break-word;
}

.stat .value.pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem;
}

.stat .value.pair .qty,
td .pair .qty {
    text-align: right;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

td.pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
}

.pager {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem 0.55rem;
    margin: 0 0 0.65rem;
}

.pager-inline {
    margin: 0;
    color: var(--muted);
    font-size: 0.82rem;
    white-space: nowrap;
}

.pager-page {
    width: 3.6rem;
    height: 2rem;
    padding: 0 0.4rem;
    border-radius: 3px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-family: var(--mono);
    font-size: 0.85rem;
    text-align: right;
}

.pager-filter {
    width: 14rem;
    max-width: 14rem;
    height: 2rem;
    padding: 0 0.5rem;
}

.pager select {
    height: 2rem;
    padding: 0 0.45rem;
    font-family: inherit;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 3px;
}

.pager button,
.pager .btn {
    margin-top: 0;
    height: 2rem;
    min-width: 5.2rem;
    padding: 0 0.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

th a { color: inherit; text-decoration: none; }
th a:hover { color: var(--accent); }

/* —— Tables: thin full grid —— */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.84rem;
    border: 1px solid var(--grid);
}

th, td {
    text-align: left;
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--grid);
    vertical-align: top;
    font-variant-numeric: tabular-nums;
}

th {
    color: var(--muted);
    font-weight: 600;
    font-size: 0.78rem;
    letter-spacing: 0.01em;
    text-transform: none;
    background: var(--panel-2);
}

td, .mono {
    font-family: var(--mono);
    word-break: break-all;
}

.muted { color: var(--muted); }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.danger { color: var(--danger); }

label {
    display: block;
    margin-bottom: 0.3rem;
    color: var(--muted);
    font-size: 0.82rem;
}

input[type="password"],
input[type="text"] {
    width: 100%;
    max-width: 320px;
    padding: 0.45rem 0.55rem;
    border-radius: 3px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-family: var(--mono);
    font-size: 0.95rem;
}

button, .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.55rem;
    padding: 0.4rem 0.85rem;
    border-radius: 3px;
    border: 1px solid var(--accent);
    background: transparent;
    color: var(--accent);
    font-family: var(--mono);
    font-size: 0.85rem;
    cursor: pointer;
    text-decoration: none;
}

button:hover, .btn:hover {
    background: rgba(91, 159, 212, 0.12);
}

button.secondary, .btn.secondary {
    background: transparent;
    color: var(--muted);
    border-color: var(--border);
}

button.secondary:hover, .btn.secondary:hover {
    color: var(--text);
    border-color: var(--muted);
}

.error {
    color: var(--danger);
    margin: 0.5rem 0;
    font-size: 0.85rem;
}

.banner {
    padding: 0.55rem 0.75rem;
    border-radius: 3px;
    border: 1px solid var(--border);
    background: var(--panel-2);
    margin-bottom: 1rem;
}

.login-box {
    max-width: 360px;
    margin: 2rem auto;
}

a { color: var(--accent); }
a:hover { color: #7eb6e0; }

/* —— Mobile —— */
@media (max-width: 640px) {
    .top {
        flex-direction: column;
        align-items: flex-start;
        padding: 0.75rem 0.85rem;
    }

    .brand { font-size: 1.15rem; }

    nav {
        width: 100%;
        gap: 0.45rem 0.75rem;
        padding-top: 0.15rem;
    }

    .nav-write {
        margin-left: 0;
        width: 100%;
        text-align: center;
    }

    .content {
        padding: 0.85rem 0.75rem 1.5rem;
    }

    .stats {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .panel {
        padding: 0.55rem;
        /* allow horizontal scroll for wide tables */
        -webkit-overflow-scrolling: touch;
    }

    table { font-size: 0.78rem; }
    th, td { padding: 0.28rem 0.35rem; }
}