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

:root {
    --bg:        #0d1117;
    --surface:   #161b22;
    --border:    #30363d;
    --text:      #c9d1d9;
    --dim:       #8b949e;
    --green:     #3fb950;
    --yellow:    #d29922;
    --red:       #f85149;
    --blue:      #58a6ff;
    --orange:    #d18616;
    --purple:    #bc8cff;
    --font:      'Segoe UI', system-ui, sans-serif;
    --mono:      'SFMono-Regular', Consolas, monospace;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
}

header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}
header h1 { font-size: 1.1rem; font-weight: 600; }

main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1rem 1.5rem;
    max-width: 1600px;
    margin: 0 auto;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
}
.card h2 { font-size: 0.9rem; font-weight: 600; margin-bottom: 0.75rem; color: var(--dim); text-transform: uppercase; letter-spacing: 0.05em; }

#movements-section, #errors-section { grid-column: 1 / -1; }
.full-width { grid-column: 1 / -1; }
.controls-bar { grid-column: 1 / -1; display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.controls-bar label { display: flex; align-items: center; gap: 0.4rem; }
.controls-bar select { background: var(--bg); border: 1px solid var(--border); border-radius: 4px; color: var(--text); padding: 0.25rem 0.5rem; font-size: 13px; }
.controls-bar input[type=text] { background: var(--bg); border: 1px solid var(--border); border-radius: 4px; color: var(--text); padding: 0.25rem 0.5rem; font-size: 13px; width: 7rem; }
.controls-bar button { background: var(--border); border: none; border-radius: 4px; color: var(--text); padding: 0.25rem 0.75rem; cursor: pointer; }
.controls-bar button:hover { background: var(--dim); }

.dim { color: var(--dim); font-size: 0.85em; }

/* Feed status */
.feed-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}
.feed-row:last-child { border-bottom: none; }
.feed-name { font-family: var(--mono); font-size: 12px; }

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}
.badge-CONNECTED    { background: #1c3a21; color: var(--green); }
.badge-DISCONNECTED { background: #3a1c1c; color: var(--red); }
.badge-RECONNECTING { background: #3a2e1c; color: var(--yellow); }

/* DB status grid */
.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}
.stat-item { padding: 0.4rem 0.6rem; background: var(--bg); border-radius: 4px; }
.stat-label { font-size: 11px; color: var(--dim); margin-bottom: 2px; }
.stat-value { font-weight: 600; font-size: 15px; }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
    text-align: left;
    padding: 0.4rem 0.6rem;
    color: var(--dim);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--border); }
tbody tr:hover { background: rgba(255,255,255,0.03); }
tbody td { padding: 0.35rem 0.6rem; white-space: nowrap; }

.mono { font-family: var(--mono); }

/* Event type colours */
.ev-DEPARTURE { color: var(--green); }
.ev-ARRIVAL   { color: var(--orange); }
.ev-PASS      { color: var(--blue); }

/* Variation */
.var-LATE  { color: var(--red); }
.var-EARLY { color: var(--green); }
.var-ON_TIME { color: var(--dim); }

/* Freight TOC highlight */
.freight-row td { background: rgba(188, 140, 255, 0.05); }

/* Stale position row (> 10 min since last seen) */
.stale-row td { opacity: 0.4; }

/* Secondary traction class hint within a movement row */
.traction-hint { display: block; font-size: 10px; color: var(--dim); margin-top: 2px; }

/* Errors */
.error-item {
    padding: 0.4rem 0.6rem;
    background: var(--bg);
    border-left: 3px solid var(--red);
    margin-bottom: 0.4rem;
    border-radius: 0 4px 4px 0;
    font-size: 13px;
}
.error-source { font-weight: 600; color: var(--red); margin-right: 0.5rem; }
.error-time { color: var(--dim); font-size: 11px; float: right; }