:root {
  --blue: #2478b7;
  --blue-dark: #155a91;
  --blue-soft: #eaf4fb;
  --blue-line: #2a82c3;
  --bg: #f5f7fa;
  --card: #ffffff;
  --card-soft: #f8fafc;
  --text: #17212b;
  --muted: #667085;
  --line: #e1e7ef;
  --green: #19c76f;
  --danger: #e03131;
  --shadow: 0 18px 55px rgba(18, 52, 84, .12);
  --header-height: 64px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(rgba(36,120,183,.88), rgba(36,120,183,.84)) top / 100% 310px no-repeat,
    radial-gradient(circle at 18% 80px, rgba(255,255,255,.36), transparent 20%),
    radial-gradient(circle at 74% 120px, rgba(255,255,255,.28), transparent 18%),
    var(--bg);
  color: var(--text);
}
body::before {
  content: "";
  position: fixed;
  inset: var(--header-height) 0 auto 0;
  height: 310px;
  pointer-events: none;
  opacity: .18;
  background:
    linear-gradient(25deg, transparent 10%, rgba(255,255,255,.9) 10.3%, transparent 10.6%),
    linear-gradient(145deg, transparent 23%, rgba(255,255,255,.8) 23.3%, transparent 23.6%),
    linear-gradient(8deg, transparent 55%, rgba(255,255,255,.6) 55.3%, transparent 55.6%),
    linear-gradient(118deg, transparent 72%, rgba(255,255,255,.7) 72.3%, transparent 72.6%);
}
button, input { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }

.site-header {
  height: var(--header-height);
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid rgba(0,0,0,.06);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 4px 18px rgba(14, 38, 62, .08);
}
.header-inner {
  max-width: 1280px;
  height: 100%;
  margin: 0 auto;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.header-left { display: flex; align-items: center; gap: 14px; min-width: 0; }
.logo-slot {
  display: inline-flex;
  align-items: center;
  height: 48px;
  min-width: 205px;
  text-decoration: none;
}
.logo-slot img { max-width: 220px; max-height: 50px; display: block; }
.desktop-nav { display: flex; align-items: center; gap: 24px; }
.desktop-nav a {
  color: #313946;
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
}
.desktop-nav a.active, .desktop-nav a:hover { color: var(--blue); }

.hamburger {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--blue);
  border: 0;
  padding: 10px;
  cursor: pointer;
  box-shadow: 0 10px 22px rgba(36,120,183,.24);
}
.hamburger span {
  display: block;
  height: 2px;
  background: #fff;
  margin: 5px 0;
  border-radius: 99px;
}

.sidebar {
  width: 330px;
  background: #fff;
  color: var(--text);
  padding: 24px 20px;
  border-right: 1px solid var(--line);
  position: fixed;
  top: var(--header-height);
  bottom: 0;
  left: 0;
  z-index: 40;
  overflow-y: auto;
  transform: translateX(-105%);
  transition: transform .25s ease;
  box-shadow: 20px 0 55px rgba(13, 52, 82, .14);
}
.sidebar.open { transform: translateX(0); }
.sidebar-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 22px; }
.sidebar-head h1, .hero-card h2, .panel-header h3 { margin: 0; }
.close-sidebar {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 25px;
  line-height: 1;
  cursor: pointer;
}
.eyebrow {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #7c8795;
  font-weight: 800;
}
.eyebrow.blue { color: var(--blue); }
.sidebar-section { margin-top: 10px; }
.section-title {
  color: #7c8795;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .14em;
  margin-bottom: 12px;
  font-weight: 800;
}
.device-list { display: flex; flex-direction: column; gap: 10px; }
.device-item {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  padding: 14px;
  border-radius: 14px;
  text-align: left;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 11px;
  align-items: center;
  transition: .18s ease;
}
.device-item:hover, .device-item.active {
  border-color: rgba(36,120,183,.68);
  background: var(--blue-soft);
  box-shadow: 0 12px 28px rgba(36,120,183,.12);
}
.device-dot, .header-status span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  background: var(--danger);
  box-shadow: 0 0 0 4px rgba(224,49,49,.13);
}
.device-dot.online, .header-status.online span {
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(25,199,111,.15);
}
.device-name { font-weight: 800; line-height: 1.2; }
.device-meta { color: #7c8795; font-size: 12px; margin-top: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.device-skeleton { height: 66px; border-radius: 14px; background: linear-gradient(90deg, #f0f4f8, #e4edf5, #f0f4f8); }
.device-skeleton.small { opacity: .7; }

.header-status {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #f7fafc;
  border: 1px solid var(--line);
  padding: 9px 13px;
  border-radius: 999px;
  color: var(--text);
  white-space: nowrap;
}
.header-status strong { font-size: 13px; }

.main-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 22px 34px;
  min-width: 0;
  position: relative;
  z-index: 1;
}
.hero-card {
  min-height: 230px;
  border-radius: 4px;
  padding: 42px;
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
  margin-bottom: 24px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(23,91,148,.96), rgba(36,120,183,.84)),
    linear-gradient(135deg, rgba(255,255,255,.18) 0 1px, transparent 1px 90px);
  border: 1px solid rgba(255,255,255,.28);
  box-shadow: 0 20px 70px rgba(16, 82, 136, .28);
  overflow: hidden;
  position: relative;
}
.hero-card::after {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  right: -110px;
  top: -150px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.32);
}
.hero-card > * { position: relative; z-index: 1; }
.hero-card .eyebrow { color: rgba(255,255,255,.86); }
.hero-card h2 {
  font-size: clamp(28px, 4vw, 50px);
  line-height: 1.05;
  letter-spacing: -.04em;
  text-transform: uppercase;
}
.hero-card p:not(.eyebrow) {
  color: rgba(255,255,255,.9);
  max-width: 720px;
  font-size: 17px;
  line-height: 1.55;
}
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  border: 0;
  border-radius: 5px;
  padding: 12px 17px;
  cursor: pointer;
  font-weight: 800;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { color: #fff; background: var(--blue); box-shadow: 0 14px 35px rgba(36,120,183,.26); }
.btn.primary:hover { background: var(--blue-dark); }
.btn.secondary { color: var(--blue-dark); background: #fff; }
.btn.ghost { color: var(--blue); background: transparent; border: 1px solid var(--line); }

.status-grid { display: grid; grid-template-columns: repeat(6, minmax(130px, 1fr)); gap: 14px; margin-bottom: 14px; }
.metric-card, .history-panel, .chart-card, .info-card {
  background: rgba(255,255,255,.98);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.metric-card {
  border-radius: 4px;
  padding: 19px;
  min-height: 134px;
  border-top: 4px solid transparent;
}
.metric-card.accent { border-top-color: var(--blue); background: linear-gradient(180deg, #fff 0%, #eef7fd 100%); }
.metric-card p, .info-card p, .summary-grid p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .09em;
}
.metric-card strong { font-size: clamp(26px, 3vw, 38px); letter-spacing: -.05em; display: block; color: #101828; }
.metric-card span, .summary-grid span { color: var(--muted); font-weight: 700; }
.info-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 14px; }
.info-card { border-radius: 4px; padding: 18px; }
.info-card strong { font-size: 15px; overflow-wrap: anywhere; }
.history-panel { border-radius: 4px; padding: 24px; display: none; }
.history-panel.open { display: block; }
.panel-header { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; }
.range-form { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; align-items: end; margin-bottom: 14px; }
.range-form label { color: var(--muted); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .09em; }
.range-form input { width: 100%; margin-top: 7px; border: 1px solid var(--line); border-radius: 5px; padding: 12px; background: var(--card-soft); color: var(--text); }
.summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 14px; }
.summary-grid > div { background: var(--card-soft); border: 1px solid var(--line); border-radius: 4px; padding: 16px; }
.summary-grid strong { font-size: 27px; letter-spacing: -.04em; }
.chart-card { border-radius: 4px; padding: 18px; box-shadow: none; position: relative; }
.chart-title { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); margin-bottom: 10px; }
.chart-title strong { color: var(--text); }
canvas { width: 100%; max-height: 420px; display: block; }
.empty-chart { position: absolute; inset: 70px 18px 18px; border: 1px dashed #b8c6d6; border-radius: 4px; display: grid; place-items: center; color: var(--muted); background: rgba(255,255,255,.84); text-align: center; padding: 20px; }
.toast { position: fixed; right: 22px; bottom: 22px; background: #101828; color: #fff; border-left: 4px solid var(--blue); padding: 14px 16px; border-radius: 5px; box-shadow: var(--shadow); opacity: 0; transform: translateY(12px); pointer-events: none; transition: .2s ease; z-index: 70; }
.toast.show { opacity: 1; transform: translateY(0); }
.overlay { display: none; }
.overlay.open { display: block; position: fixed; inset: var(--header-height) 0 0; background: rgba(9, 30, 52, .46); z-index: 35; backdrop-filter: blur(2px); }

@media (max-width: 1100px) {
  .status-grid { grid-template-columns: repeat(3, 1fr); }
  .range-form { grid-template-columns: 1fr; }
  .desktop-nav { gap: 14px; }
}
@media (max-width: 820px) {
  :root { --header-height: 60px; }
  .desktop-nav { display: none; }
  .logo-slot { min-width: 160px; }
  .logo-slot img { max-width: 178px; }
  .main-content { padding: 36px 16px 24px; }
  .hero-card { flex-direction: column; align-items: flex-start; padding: 28px 20px; }
  .status-grid, .info-row, .summary-grid { grid-template-columns: 1fr; }
  .header-status { display: none; }
}

.summary-grid.extended {
  grid-template-columns: repeat(5, minmax(120px, 1fr));
}

.phase-breakdown {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 18px 0 4px;
}

.phase-pill {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid #e3e9f2;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(15, 38, 76, .06);
}

.phase-pill.active {
  border-color: rgba(11, 102, 195, .34);
  background: linear-gradient(135deg, rgba(11, 102, 195, .08), #fff 58%);
}

.phase-pill.inactive {
  opacity: .72;
  background: #f7f9fc;
}

.phase-pill strong {
  display: block;
  color: #10233f;
  font-size: 15px;
  margin-bottom: 4px;
}

.phase-pill span {
  color: #6c7280;
  font-size: 13px;
}

.phase-values {
  display: grid;
  gap: 4px;
  text-align: right;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .summary-grid.extended {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }
}

@media (max-width: 560px) {
  .summary-grid.extended,
  .phase-breakdown {
    grid-template-columns: 1fr;
  }

  .phase-pill {
    align-items: flex-start;
    flex-direction: column;
  }

  .phase-values {
    text-align: left;
  }
}


/* ------------------------------------------------------------
   Histórico nuevo: período día/semana/mes + canvas local
------------------------------------------------------------ */
.history-controls {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  margin: 18px 0 18px;
}
.period-tabs {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  background: #f7fafc;
  border-radius: 999px;
  width: max-content;
}
.period-tab {
  border: 0;
  border-radius: 999px;
  padding: 10px 18px;
  font-weight: 800;
  cursor: pointer;
  background: transparent;
  color: #566273;
  transition: .16s ease;
}
.period-tab:hover {
  background: #eaf4fb;
  color: var(--blue);
}
.period-tab.active {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 24px rgba(36,120,183,.22);
}
.range-navigator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.nav-btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 12px;
  padding: 10px 13px;
  font-weight: 800;
  cursor: pointer;
  transition: .16s ease;
}
.nav-btn:hover:not(:disabled) {
  border-color: rgba(36,120,183,.5);
  color: var(--blue);
  box-shadow: 0 10px 24px rgba(18, 52, 84, .08);
}
.nav-btn:disabled {
  opacity: .42;
  cursor: not-allowed;
}
.range-title {
  min-width: 160px;
  text-align: center;
  font-weight: 900;
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
}
.chart-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}
.selected-bucket {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  background: #f7fbff;
  border: 1px solid #d6e8f7;
  border-radius: 16px;
  padding: 14px 16px;
  margin-bottom: 18px;
}
.selected-bucket p {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 800;
}
.selected-bucket strong {
  color: var(--text);
}
.chart-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 12px 36px rgba(18, 52, 84, .08);
}
.chart-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}
.chart-title span {
  color: var(--muted);
  font-size: 13px;
}
#historyChart {
  display: block;
  width: 100%;
  height: 430px;
  border-radius: 12px;
  background: linear-gradient(180deg, #fff, #fbfdff);
  cursor: grab;
  touch-action: none;
}
#historyChart.dragging {
  cursor: grabbing;
}
.chart-tooltip {
  position: fixed;
  z-index: 120;
  pointer-events: none;
  background: rgba(17, 24, 39, .94);
  color: #fff;
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.45;
  box-shadow: 0 18px 40px rgba(0,0,0,.22);
  display: none;
  max-width: 260px;
}
.chart-tooltip strong {
  display: block;
  font-size: 13px;
  margin-bottom: 5px;
}
@media (max-width: 900px) {
  .history-controls {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
  .period-tabs, .range-navigator, .chart-actions {
    width: 100%;
    justify-content: center;
  }
  .selected-bucket {
    grid-template-columns: 1fr;
  }
  #historyChart {
    height: 340px;
  }
}