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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, monospace;
    background: #0a0a0a;
    color: #e0e0e0;
    min-height: 100vh;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 1.5rem;
}

h1 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #fff;
    border-bottom: 1px solid #333;
    padding-bottom: 0.5rem;
}

h2 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #888;
    margin-bottom: 0.75rem;
}

/* Readers */
.reader-grid {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.reader-card {
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 0.75rem 1rem;
    min-width: 180px;
}

.reader-card.online {
    border-color: #2d7a2d;
}

.reader-card.offline {
    border-color: #7a2d2d;
    opacity: 0.7;
}

.reader-id {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.reader-status {
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.online .reader-status { color: #4caf50; }
.offline .reader-status { color: #f44336; }

.reader-detail {
    font-size: 0.75rem;
    color: #888;
}

.reader-error {
    font-size: 0.75rem;
    color: #f44336;
    margin-top: 0.25rem;
}

/* Events table */
table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #888;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid #333;
}

td {
    padding: 0.4rem 0.75rem;
    border-bottom: 1px solid #1a1a1a;
    font-size: 0.9rem;
}

.bib {
    font-weight: 700;
    font-size: 1rem;
    color: #fff;
}

tr:hover {
    background: #1a1a1a;
}

.empty {
    color: #555;
    padding: 1rem 0.75rem;
    text-align: center;
}