:root {
    --bg: #090d13;
    --card: #131822;
    --border: #212836;
    --text: #f1f5f9;
    --muted: #94a3b8;

    --dtek-on: #ffffff;
    --dtek-off: #475569;

    --zb-on: #10b981;
    --zb-off: #ef4444;
    --zb-nodata: #1e293b;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    padding: 24px;
    display: flex;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 1050px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 14px;
}

.badge {
    background: #f59e0b;
    color: #000;
    font-weight: 800;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 13px;
}

.grid-container {
    overflow-x: auto;
    padding-bottom: 6px;
}

.grid-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.grid-table th,
.grid-table td {
    border: 1px solid var(--border);
    text-align: center;
    padding: 0;
}

.hour-header {
    background: #1b2230;
    color: var(--muted);
    font-size: 11px;
    font-weight: 600;
    padding: 8px 0 !important;
    min-width: 32px;
}

.slot-pair {
    display: flex;
    height: 40px;
    width: 100%;
    position: relative;
}

.slot {
    flex: 1;
    height: 100%;
    transition: all 0.15s ease;
    border-right: 1px dashed rgba(255, 255, 255, 0.06);
}

.slot:last-child {
    border-right: none;
}

.slot.admin-interactive {
    cursor: pointer;
}

.slot.admin-interactive:hover {
    filter: brightness(1.2);
}

.state-on {
    background-color: var(--dtek-on);
}

.state-off {
    background-color: var(--dtek-off);
}

.zabbix-on {
    background-color: var(--dtek-on);
}

.zabbix-off {
    background-color: var(--dtek-off);
}

.zabbix-nodata {
    background-color: var(--zb-nodata);
}

.hour-lightning::after {
    content: "⚡";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
    pointer-events: none;
    filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.6));
}

.row-title {
    padding: 0 16px !important;
    text-align: left !important;
    font-weight: 700;
    font-size: 13px;
    white-space: nowrap;
    background: #18202e;
    color: #cbd5e1;
}

.upload-zone {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px dashed var(--border);
    flex-wrap: wrap;
}

.btn {
    background: #3b82f6;
    color: #fff;
    border: none;
    padding: 9px 18px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
}

.btn:hover {
    background: #2563eb;
}

.events-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
}

.events-list li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    display: flex;
    justify-content: space-between;
    color: #cbd5e1;
}

.date-btn {
    background: #1b2230;
    color: var(--text);
    border: 1px solid var(--border);
    padding: 2px 8px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 11px;
    font-weight: bold;
}

.date-btn:hover {
    background: #2a344a;
}

.text-center {
    text-align: center;
}