/* EpiConstruct Dashboard — Dark Industrial Theme */

:root {
    --bg-body:    #0d1117;
    --bg-card:    #161b22;
    --bg-surface: #1c2333;
    --bg-hover:   #21262d;
    --border:     #30363d;
    --text:       #e6edf3;
    --text-muted: #8b949e;
    --accent:     #FFCD00;        /* CAT yellow */
    --accent-dim: rgba(255, 205, 0, 0.15);
    --success:    #3fb950;
    --warning:    #d29922;
    --danger:     #f85149;
    --info:       #58a6ff;
}

* { box-sizing: border-box; }

body {
    background: var(--bg-body);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    margin: 0;
    min-height: 100vh;
}

/* --- Navbar --- */
.navbar-brand {
    font-weight: 700;
    letter-spacing: 0.5px;
}
.navbar-brand span {
    color: var(--accent);
}
.navbar {
    background: var(--bg-card) !important;
    border-bottom: 1px solid var(--border);
}
.device-select {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
    max-width: 320px;
    padding: 0.25rem 2rem 0.25rem 0.65rem;
}
.device-select:focus {
    background: var(--bg-surface);
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-dim);
    color: var(--text);
}
.device-select option {
    background: var(--bg-card);
    color: var(--text);
}
.status-led {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 6px;
    animation: pulse-led 2s infinite;
}
.status-led.online  { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-led.offline { background: var(--danger);  box-shadow: 0 0 6px var(--danger);  animation: none; }
@keyframes pulse-led {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.4; }
}

/* --- KPI Cards --- */
.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.kpi-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-dim);
}
.kpi-card .kpi-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}
.kpi-card .kpi-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.1;
}
.kpi-card .kpi-unit {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-left: 2px;
}
.kpi-card .kpi-icon {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

/* KPI color states */
.kpi-card.state-ok      .kpi-value { color: var(--success); }
.kpi-card.state-warning  .kpi-value { color: var(--warning); }
.kpi-card.state-danger   .kpi-value { color: var(--danger); }
.kpi-card.state-neutral  .kpi-value { color: var(--text); }
.kpi-card.state-off      .kpi-value { color: var(--text-muted); }

/* --- Chart Cards --- */
.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.25rem;
}
.chart-card h6 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

/* --- Controls bar --- */
.controls-bar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.75rem 1.25rem;
}
.controls-bar label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* --- Data table --- */
.table-dark {
    --bs-table-bg: var(--bg-card);
    --bs-table-border-color: var(--border);
    --bs-table-hover-bg: var(--bg-hover);
    --bs-table-striped-bg: var(--bg-surface);
}
.table-dark th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
    border-bottom-width: 2px;
}
.table-dark td {
    font-size: 0.85rem;
    vertical-align: middle;
}
.table-dark tbody tr {
    cursor: pointer;
    transition: background-color 0.15s;
}

/* --- Modal (drill-down) --- */
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
}
.modal-header {
    border-bottom-color: var(--border);
}
.modal-footer {
    border-top-color: var(--border);
}

/* --- Flatpickr dark override --- */
.flatpickr-calendar {
    background: var(--bg-card) !important;
    border-color: var(--border) !important;
    box-shadow: 0 4px 24px rgba(0,0,0,0.5) !important;
}
.flatpickr-day {
    color: var(--text) !important;
}
.flatpickr-day.selected,
.flatpickr-day.startRange,
.flatpickr-day.endRange {
    background: var(--accent) !important;
    border-color: var(--accent) !important;
    color: #000 !important;
}
.flatpickr-day:hover {
    background: var(--bg-hover) !important;
}
.flatpickr-months .flatpickr-month,
.flatpickr-current-month .cur-month,
.flatpickr-current-month .numInputWrapper,
.flatpickr-weekdays,
span.flatpickr-weekday {
    color: var(--text) !important;
    background: transparent !important;
}

/* --- Buttons --- */
.btn-accent {
    background: var(--accent);
    color: #000;
    font-weight: 600;
    border: none;
}
.btn-accent:hover {
    background: #e6b800;
    color: #000;
}
.btn-outline-accent {
    border: 1px solid var(--accent);
    color: var(--accent);
}
.btn-outline-accent:hover {
    background: var(--accent);
    color: #000;
}
.btn-outline-danger {
    border: 1px solid var(--danger);
    color: var(--danger);
    background: none;
}
.btn-outline-danger:hover {
    background: var(--danger);
    color: #fff;
}

/* --- Machine info header --- */
.machine-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.machine-info .machine-name {
    font-size: 1.3rem;
    font-weight: 700;
}
.machine-info .machine-detail {
    font-size: 0.8rem;
    color: var(--text-muted);
}
.machine-info .machine-detail strong {
    color: var(--text);
}

/* --- Tab navigation --- */
.epi-tabs {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 0.25rem;
    padding: 0 1rem;
}
.epi-tab-btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    padding: 0.65rem 1rem;
    transition: color 0.15s, border-color 0.15s;
}
.epi-tab-btn:hover { color: var(--text); }
.epi-tab-btn.active {
    border-bottom-color: var(--accent);
    color: var(--accent);
}

/* --- KPI sub-label --- */
.kpi-card .kpi-sublabel {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

/* --- Environmental table: no row pointer --- */
.env-table tbody tr { cursor: default; }

/* --- Utilities --- */
.text-accent { color: var(--accent) !important; }
.bg-surface  { background: var(--bg-surface) !important; }

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--bg-surface) 25%, var(--bg-hover) 50%, var(--bg-surface) 75%);
    background-size: 200% 100%;
    animation: skeleton-pulse 1.5s infinite;
    border-radius: 4px;
    height: 2rem;
}
@keyframes skeleton-pulse {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --- Project cards --- */
.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
    display: flex;
    height: 100%;
}
.project-card:hover,
.project-card.active {
    border-color: var(--accent);
    box-shadow: 0 0 14px var(--accent-dim);
}
.project-card-accent {
    width: 5px;
    flex-shrink: 0;
}
.project-card-body {
    padding: 1rem;
    flex: 1;
    min-width: 0;
}
.project-no {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent);
}
.project-name {
    font-size: 1rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.15rem;
}
.project-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}
.project-status-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.55rem;
    border-radius: 20px;
    letter-spacing: 0.3px;
    white-space: nowrap;
}
.utilization-bar {
    height: 4px;
    background: var(--bg-surface);
    border-radius: 2px;
    overflow: hidden;
}
.utilization-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.4s ease;
}
.project-footer {
    border-top: 1px solid var(--border);
    padding-top: 0.5rem;
    margin-top: 0.5rem;
}

/* --- Project detail panel --- */
.project-detail-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.75rem;
    margin-bottom: 0.5rem;
}
.section-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}

/* --- Machine schedule timeline --- */
.timeline-wrap {
    position: relative;
    padding-bottom: 0.5rem;
}
.timeline-axis {
    position: relative;
    height: 20px;
    margin-bottom: 6px;
    border-bottom: 1px solid var(--border);
    margin-left: 140px;
    margin-right: 36px;
}
.timeline-axis-label {
    position: absolute;
    transform: translateX(-50%);
    font-size: 0.68rem;
    color: var(--text-muted);
    white-space: nowrap;
    bottom: 4px;
}
.timeline-row {
    display: flex;
    align-items: center;
    gap: 0;
    min-height: 32px;
    margin-bottom: 4px;
}
.timeline-label {
    width: 140px;
    flex-shrink: 0;
    font-size: 0.8rem;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 8px;
}
.timeline-track {
    flex: 1;
    position: relative;
    height: 24px;
    background: var(--bg-surface);
    border-radius: 4px;
    overflow: hidden;
}
.timeline-bar {
    position: absolute;
    height: 100%;
    border-radius: 4px;
    display: flex;
    align-items: center;
    overflow: hidden;
    min-width: 24px;
}
.timeline-bar-label {
    font-size: 0.68rem;
    font-weight: 600;
    color: rgba(0,0,0,0.75);
    padding: 0 6px;
    white-space: nowrap;
    overflow: hidden;
}
.timeline-del {
    width: 36px;
    flex-shrink: 0;
    text-align: center;
}
.timeline-list { padding: 0.25rem 0; }
.timeline-list-row {
    display: flex;
    align-items: center;
    font-size: 0.85rem;
    padding: 0.25rem 0;
    border-bottom: 1px solid var(--border);
}
.timeline-list-row:last-child { border-bottom: none; }

/* --- Debug tab --- */
.param-group-badge {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 600;
    padding: 0.1rem 0.45rem;
    border-radius: 20px;
    letter-spacing: 0.2px;
    white-space: nowrap;
    text-transform: uppercase;
}
.debug-pre {
    background: var(--bg-body);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--success);
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.78rem;
    line-height: 1.5;
    max-height: 320px;
    overflow-y: auto;
    padding: 0.75rem 1rem;
    white-space: pre-wrap;
    word-break: break-word;
}

/* --- Map tab --- */
#map-container {
    height: calc(100vh - 320px);
    min-height: 420px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    z-index: 0;
}
/* Dark tiles: filter only the street layer so satellite imagery and track colors stay true */
#map-container .map-tiles-street {
    filter: invert(1) grayscale(0.9) hue-rotate(180deg) brightness(0.9) contrast(0.9);
}
#map-container .leaflet-control-attribution {
    background: rgba(22, 27, 34, 0.8);
    color: var(--text-muted);
}
#map-container .leaflet-control-attribution a { color: var(--info); }
#map-container .leaflet-control-zoom a {
    background: var(--bg-card);
    color: var(--text);
    border-color: var(--border);
}
#map-container .leaflet-control-zoom a:hover { background: var(--bg-hover); }
#map-container .leaflet-control-layers {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
}
#map-container .leaflet-control-layers-toggle {
    filter: invert(0.85);
}
.map-rpm-legend {
    position: absolute;
    left: 10px;
    bottom: 10px;
    display: flex;
    gap: 0.9rem;
    align-items: center;
    background: rgba(22, 27, 34, 0.85);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    z-index: 900;
}
.map-rpm-legend span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    white-space: nowrap;
}
.map-rpm-legend i {
    display: inline-block;
    width: 14px;
    height: 4px;
    border-radius: 2px;
}
.leaflet-tooltip.map-point-tip {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
}
.map-empty {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-muted);
    background: rgba(13, 17, 23, 0.75);
    border-radius: 8px;
    text-align: center;
    z-index: 500;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .kpi-card .kpi-value { font-size: 1.5rem; }
    .machine-info { gap: 0.75rem; }
}