:root {
    --bg: #0c141b;
    --panel: #14232d;
    --line: #29404c;
    --text: #edf4f7;
    --muted: #8fa7b2;
    --accent: #34c6d8;
}

* { box-sizing: border-box; scroll-behavior: smooth; }
html, body { max-width: 100%; overflow-x: hidden; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "Avenir Next", "Helvetica Neue", sans-serif; }
body.sidebar-open, body.chart-open { overflow: hidden; }
.sidebar-overlay { position: fixed; inset: 0; z-index: 2; background: rgba(8, 15, 20, 0.55); opacity: 0; pointer-events: none; transition: opacity .2s ease; }
.sidebar-overlay.is-visible { opacity: 1; pointer-events: auto; }
.sidebar { position: fixed; inset: 0 auto 0 0; width: 240px; padding: 28px 20px; background: #101d25; border-right: 1px solid var(--line); z-index: 3; }
.brand { display: block; margin-bottom: 35px; color: var(--accent); font-size: 1.6rem; font-weight: 800; letter-spacing: .08em; text-decoration: none; }
.brand-mark { display: inline-grid; width: 28px; height: 28px; place-items: center; margin-right: 6px; color: var(--bg); background: var(--accent); font-size: 1rem; }
.sidebar nav { display: grid; gap: 8px; }
.sidebar nav a { padding: 10px 12px; color: var(--muted); text-decoration: none; border-radius: 4px; transition: background .2s, color .2s; }
.sidebar nav a i { width: 24px; display: inline-block; font-size: 1.05rem; }
.sidebar nav a.active { color: var(--text); background: #1b3541; box-shadow: inset 3px 0 var(--accent); }
.sidebar nav a:hover { color: var(--text); background: var(--panel); }
.content { margin-left: 240px; padding: 32px; }
.topbar { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 32px; border-bottom: 1px solid var(--line); padding-bottom: 20px; }
.topbar-title, .system-summary { display: flex; align-items: center; gap: 14px; }
.system-summary { color: var(--muted); font-size: .8rem; }
.icon-button { width: 38px; height: 38px; color: var(--text); background: transparent; border: 1px solid var(--line); cursor: pointer; }
.topbar-title #sidebar-toggle { display: none; }
.icon-button:hover { color: var(--accent); border-color: var(--accent); }
.eyebrow { color: var(--accent); font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; }
h1, h2 { margin: 5px 0 0; font-weight: 650; } h1 { font-size: 1.5rem; } h2 { font-size: 1.05rem; }
.status { padding: 7px 10px; font-size: .72rem; font-weight: 700; letter-spacing: .08em; white-space: nowrap; } .status-muted { color: var(--muted); border: 1px solid var(--line); } .status i { font-size: .55rem; color: #e9c46a; }
.dashboard-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }
.dashboard-meta { display: flex; flex-wrap: wrap; gap: 10px; margin: -8px 0 20px; }
.meta-chip { display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; border: 1px solid var(--line); background: rgba(15, 25, 30, 0.8); color: var(--muted); font-size: .74rem; }
.meta-chip-source { color: var(--accent); border-color: rgba(52,198,216,.5); }
.source-selector { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 0 0 20px; padding: 10px 12px; border: 1px solid var(--line); color: var(--muted); font-size: .78rem; }
.source-selector legend { float: left; width: auto; margin: 0 14px 0 0; color: var(--accent); font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.source-selector label { display: inline-flex; align-items: center; gap: 6px; color: var(--text); font-size: .78rem; }
.source-selector input { min-height: auto; accent-color: var(--accent); }
.source-toast { position: fixed; top: 24px; right: 24px; z-index: 20; display: flex; align-items: flex-start; gap: 10px; width: min(390px, calc(100vw - 32px)); padding: 14px 16px; color: var(--text); border: 1px solid var(--line); background: #172a34; box-shadow: 0 14px 34px rgba(0, 0, 0, .35); font-size: .82rem; opacity: 0; transform: translateY(-14px) translateX(12px); pointer-events: none; transition: opacity .25s ease, transform .25s ease; }
.source-toast.is-visible { opacity: 1; transform: translateY(0) translateX(0); pointer-events: auto; }
.source-toast i { margin-top: 1px; font-size: 1.1rem; }
.source-toast-csv { border-color: rgba(233, 196, 106, .7); box-shadow: 0 14px 34px rgba(233, 196, 106, .12); }
.source-toast-csv i { color: #e9c46a; }
.source-toast-mysql { border-color: rgba(105, 211, 155, .7); box-shadow: 0 14px 34px rgba(105, 211, 155, .12); }
.source-toast-mysql i { color: #69d39b; }
.source-toast-error { border-color: rgba(242, 124, 124, .7); box-shadow: 0 14px 34px rgba(242, 124, 124, .12); }
.source-toast-error i { color: #f27c7c; }
.source-toast-close { margin: -4px -5px 0 auto; padding: 2px 5px; color: var(--muted); background: transparent; border: 0; cursor: pointer; font-size: 1rem; }
.source-toast-close:hover { color: var(--text); }
.metric-panel, .data-panel { background: var(--panel); border: 1px solid var(--line); }
.metric-panel { min-height: 142px; padding: 22px; border-top: 2px solid var(--accent); }
.metric-panel span, .metric-panel small { display: block; color: var(--muted); }
.metric-panel span i { margin-right: 5px; color: var(--accent); }
.metric-panel strong { display: inline-block; margin-top: 22px; font-size: 2rem; }
.metric-panel small { display: inline; margin-left: 7px; }
.metric-panel em { display: block; margin-top: 10px; color: #69d39b; font-size: .72rem; font-style: normal; text-transform: uppercase; letter-spacing: .07em; }
.metric-power { border-top-color: #e9c46a; }
.metric-records { border-top-color: #8fa7b2; }
.data-panel { padding: 22px; }
.panel-heading { display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); padding-bottom: 14px; }
.panel-heading span { color: var(--muted); }
.panel-kicker { display: block; color: var(--accent) !important; font-size: .7rem; text-transform: uppercase; letter-spacing: .09em; }
.chart-grid { display: grid; grid-template-columns: 1fr; gap: 14px; margin-bottom: 14px; }
.chart-panel { position: relative; transition: box-shadow .2s ease, border-color .2s ease; }
.chart-panel.is-focus { border-color: var(--accent); box-shadow: inset 0 0 0 1px rgba(52, 198, 216, .25); }
.chart-panel.is-expanded { position: fixed; inset: 24px; width: auto; height: auto; z-index: 5; overflow: auto; background: var(--panel); box-shadow: 0 18px 60px rgba(0, 0, 0, .65); }
.chart-canvas-wrap { position: relative; height: 380px; margin-top: 22px; }
.chart-canvas-wrap[hidden] { display: none; }
.chart-canvas-wrap canvas { display: block; width: 100% !important; height: 100% !important; }
.chart-panel.is-expanded { inset: clamp(12px, 3vw, 32px); padding: clamp(18px, 3vw, 32px); }
.chart-panel.is-expanded .chart-canvas-wrap { height: min(72vh, 700px); }
.panel-actions { display: flex; align-items: center; }
.text-link { color: var(--accent); text-decoration: none; }
.text-link:hover { color: var(--text); }
.chart-grid, #telemetria { scroll-margin-top: 24px; }
.dashboard-controls { margin-bottom: 14px; }
.controls-heading { margin-bottom: 18px; }
.controls-row { display: flex; flex-wrap: wrap; align-items: end; gap: 14px; margin-top: 22px; }
.controls-row label { display: grid; gap: 6px; color: var(--muted); font-size: .76rem; }
.controls-row input, .controls-row select { min-width: 170px; min-height: 38px; padding: 8px 10px; color: var(--text); background: #0d1920; border: 1px solid var(--line); }
.controls-row input:focus, .controls-row select:focus { outline: 1px solid var(--accent); border-color: var(--accent); }
.quick-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.quick-filters button { padding: 7px 10px; color: var(--muted); background: transparent; border: 1px solid var(--line); cursor: pointer; }
.quick-filters button:hover, .quick-filters button.active { color: var(--text); border-color: var(--accent); }
.quick-filters button.active { background: rgba(52, 198, 216, .1); box-shadow: 0 0 0 1px var(--accent); }
.alert-panel { margin-top: 14px; }
.alerts-hero { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 18px; padding: 4px 0 22px; border-bottom: 1px solid var(--line); }
.alerts-hero h2 { font-size: 1.4rem; }
.alerts-hero p { margin: 10px 0 0; color: var(--muted); }
.alert-summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 14px; }
.alert-summary-card { min-height: 126px; padding: 18px; background: var(--panel); border: 1px solid var(--line); border-top: 2px solid var(--accent); }
.alert-summary-card span, .alert-summary-card small { display: block; color: var(--muted); }
.alert-summary-card strong { display: block; margin: 14px 0 5px; font-size: 2rem; }
.alert-summary-critical { border-top-color: #f27c7c; }
.alert-summary-warning { border-top-color: #e9c46a; }
.alerts-connection { display: flex; align-items: center; gap: 9px; margin-bottom: 14px; padding: 12px 14px; border: 1px solid var(--line); color: var(--muted); background: rgba(15, 25, 30, .8); font-size: .82rem; }
.alerts-connection-mysql { color: #69d39b; border-color: rgba(105, 211, 155, .55); background: rgba(105, 211, 155, .08); }
.alerts-connection-csv { color: #e9c46a; border-color: rgba(233, 196, 106, .6); background: rgba(233, 196, 106, .08); }
.alerts-connection-error { color: #f27c7c; border-color: rgba(242, 124, 124, .6); background: rgba(242, 124, 124, .08); }
.alerts-timeline-panel { min-height: 260px; }
.alerts-timeline { display: grid; gap: 10px; margin-top: 18px; }
.alert-event-link { display: block; color: inherit; text-decoration: none; }
.alert-event-link:hover .alert-event { background: rgba(52, 198, 216, .09); box-shadow: inset 3px 0 var(--accent); }
.alert-event { display: flex; gap: 13px; padding: 14px; border-left: 3px solid #f27c7c; background: rgba(8, 18, 24, .28); }
.alert-event-advertencia { border-left-color: #e9c46a; }
.alert-event-sin-datos { border-left-color: var(--muted); }
.alert-event-marker { color: #f27c7c; font-size: 1.2rem; }
.alert-event-advertencia .alert-event-marker { color: #e9c46a; }
.alert-event-body { flex: 1; min-width: 0; }
.alert-event-heading { display: flex; justify-content: space-between; gap: 14px; }
.alert-event-heading strong { color: #f27c7c; }
.alert-event-advertencia .alert-event-heading strong { color: #e9c46a; }
.alert-event-heading time, .alert-event-body small { color: var(--muted); font-size: .75rem; }
.alert-event-body p { margin: 7px 0; color: var(--text); }
.alert-event-values { color: var(--accent); font-size: .78rem; font-variant-numeric: tabular-nums; }
.operational-state { display: inline-block; margin-top: 10px; padding: 9px 12px; font-size: .75rem; font-weight: 700; letter-spacing: .07em; }
.state-normal { color: #69d39b; border: 1px solid #69d39b; }
.state-advertencia { color: #e9c46a; border: 1px solid #e9c46a; }
.state-critico { color: #f27c7c; border: 1px solid #f27c7c; }
.alert-panel strong { color: #e9c46a; }
.alert-panel span { color: var(--muted); }
.empty-state { padding: 32px 0; color: var(--muted); }
.empty-state[hidden] { display: none; }
.filters, .report-form { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; margin: 22px 0; }
label { display: grid; gap: 6px; color: var(--muted); font-size: .76rem; }
input, select { min-height: 38px; padding: 8px 10px; color: var(--text); background: #0d1920; border: 1px solid var(--line); }
input:focus, select:focus { outline: 1px solid var(--accent); border-color: var(--accent); }
.button-primary { min-height: 38px; padding: 8px 14px; color: var(--bg); background: var(--accent); border: 0; font-weight: 700; cursor: pointer; }
.button-primary:hover { background: #72e0eb; }
.form-intro { color: var(--muted); }
.button-secondary { padding: 7px 10px; color: var(--muted); background: transparent; border: 1px solid var(--line); cursor: pointer; }
.button-secondary:hover:not(:disabled) { color: var(--text); border-color: var(--accent); }
.button-secondary:disabled { cursor: not-allowed; opacity: .45; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); }
.records-table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.records-table th, .records-table td { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
.records-table th { position: sticky; top: 0; z-index: 1; color: var(--accent); background: #10212a; font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; }
.records-table tbody tr:nth-child(even) { background: rgba(8, 18, 24, .24); }
.records-table tbody tr { transition: background .15s, box-shadow .15s; }
.records-table tbody tr:hover { background: rgba(52, 198, 216, .09); box-shadow: inset 3px 0 var(--accent); }
.records-table td:not(.sync-cell) { color: #d7e4e8; }
.records-table td:first-child { color: var(--muted); font-variant-numeric: tabular-nums; }
.sync-cell { color: #69d39b !important; font-weight: 650; }
.sync-cell:not(:empty)::before { content: "●"; margin-right: 7px; color: currentColor; font-size: .65em; }
.sort-button { padding: 0; color: inherit; background: transparent; border: 0; cursor: pointer; font: inherit; }
.table-footer { display: flex; align-items: center; justify-content: end; gap: 12px; margin-top: 18px; color: var(--muted); font-size: .8rem; }
.preview-heading { display: flex; justify-content: space-between; gap: 16px; margin-top: 30px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.preview-heading h3 { margin: 5px 0 0; font-size: .95rem; }
.preview-heading > span { color: var(--muted); font-size: .8rem; }
.system-list { display: grid; grid-template-columns: 220px 1fr; gap: 14px; margin: 24px 0 0; }
.system-list dt { color: var(--muted); }
.system-list dd { margin: 0; }
@media (max-width: 800px) {
    .source-toast { top: 14px; right: 16px; }
    .sidebar { position: fixed; z-index: 3; width: 240px; transform: translateX(-100%); transition: transform .2s; }
    .sidebar.is-open { transform: translateX(0); }
    .content { margin-left: 0; padding: 22px; }
    .topbar { position: sticky; top: 0; z-index: 2; margin: -22px -22px 32px; padding: 16px 22px; background: rgba(12, 20, 27, .96); backdrop-filter: blur(10px); }
    .topbar-title #sidebar-toggle { display: inline-block; }
    .dashboard-grid, .chart-grid { grid-template-columns: 1fr; }
    .alert-summary-grid { grid-template-columns: 1fr; }
    .system-summary { align-items: end; flex-direction: column; gap: 5px; }
    .controls-row { flex-direction: column; align-items: stretch; }
    .controls-row input, .controls-row select { min-width: 100%; }
    .chart-panel.is-expanded { inset: 12px; }
}
@media (max-width: 480px) {
    .alerts-hero { align-items: flex-start; flex-direction: column; }
    .topbar { align-items: start; flex-direction: column; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .system-list { grid-template-columns: 1fr; gap: 5px; }
    .content { padding: 16px; }
    .topbar { margin: -16px -16px 24px; padding: 14px 16px; }
    .panel-heading { flex-direction: column; align-items: flex-start; }
}