:root {
  --bg: #020617;
  --text: #f8fafc;
  --muted: #cbd5e1;
  --yellow: #facc15;
  --yellow-strong: #fde047;
  --green: #22c55e;
  --red: #ef4444;
  --orange: #f97316;
  --blue: #38bdf8;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at 15% 10%, rgba(56, 189, 248, 0.18), transparent 28%),
              radial-gradient(circle at 85% 0%, rgba(250, 204, 21, 0.20), transparent 23%),
              var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.7), transparent);
  pointer-events: none;
}
.app-shell {
  width: min(1500px, 100vw);
  min-height: 100vh;
  margin: 0 auto;
  padding: clamp(18px, 2vw, 34px);
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2vw, 28px);
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}
.brand-block {
  display: flex;
  align-items: flex-end;
  gap: clamp(18px, 2vw, 30px);
  min-width: 0;
}
.brand-logo {
  width: clamp(180px, 18vw, 360px);
  height: auto;
  filter: drop-shadow(0 12px 30px rgba(0, 0, 0, 0.35));
  flex: 0 0 auto;
}
h1 {
  margin: 0;
  padding-bottom: clamp(8px, 0.7vw, 16px);
  font-size: clamp(34px, 4vw, 72px);
  line-height: 1;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  text-shadow: 0 8px 28px rgba(0,0,0,0.45);
}
.clock {
  color: var(--yellow-strong);
  font-size: clamp(28px, 3vw, 50px);
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  text-shadow: 0 8px 28px rgba(0,0,0,0.35);
  white-space: nowrap;
  padding-top: 8px;
}
.hero {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 28px);
  padding: clamp(20px, 2.2vw, 28px);
  background: linear-gradient(135deg, rgba(250,204,21,0.98), rgba(253,224,71,0.98));
  color: #0f172a;
  border-radius: 28px;
  box-shadow: var(--shadow);
}
.hero-icon {
  flex: 0 0 auto;
  width: clamp(68px, 5vw, 96px);
  height: clamp(68px, 5vw, 96px);
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #0f172a;
  color: var(--yellow-strong);
  font-size: clamp(42px, 4vw, 68px);
  font-weight: 900;
}
.hero-title {
  font-size: clamp(28px, 2.7vw, 48px);
  font-weight: 1000;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}
.event-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.event-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr minmax(230px, 330px);
  gap: 22px;
  align-items: center;
  padding: clamp(22px, 2.4vw, 34px);
  border-radius: 28px;
  border: 3px solid rgba(34, 197, 94, 0.75);
  background: linear-gradient(135deg, rgba(15,23,42,0.98), rgba(30,41,59,0.95));
  box-shadow: var(--shadow);
}
.event-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 14px;
  background: var(--green);
  box-shadow: 0 0 28px var(--green);
}
.event-card.fading { border-color: rgba(250, 204, 21, 0.75); }
.event-card.fading::before { background: var(--yellow); box-shadow: 0 0 28px var(--yellow); }
.asset-name {
  font-size: clamp(42px, 5vw, 92px);
  line-height: 0.98;
  font-weight: 1000;
  letter-spacing: -0.05em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}
.asset-meta {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-size: clamp(18px, 1.45vw, 28px);
  font-weight: 800;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border-radius: 999px;
  background: rgba(148,163,184,0.16);
  border: 1px solid rgba(203,213,225,0.24);
}
.confirmed { color: var(--green); }
.side {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
}
.countdown {
  color: var(--yellow-strong);
  font-size: clamp(32px, 3.2vw, 58px);
  font-weight: 1000;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.battery-wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
}
.battery {
  position: relative;
  height: 54px;
  border: 5px solid #f8fafc;
  border-radius: 14px;
  padding: 5px;
  background: rgba(248,250,252,0.08);
}
.battery::after {
  content: "";
  position: absolute;
  top: 13px;
  right: -16px;
  width: 10px;
  height: 22px;
  border-radius: 0 6px 6px 0;
  background: #f8fafc;
}
.battery-fill {
  height: 100%;
  width: 0%;
  border-radius: 8px;
  background: var(--green);
  transition: width 280ms ease;
}
.battery.low .battery-fill { background: var(--red); }
.battery.medium .battery-fill { background: var(--orange); }
.battery.unknown .battery-fill { background: #64748b; width: 100%; opacity: 0.45; }
.battery-label {
  min-width: 76px;
  text-align: right;
  font-size: clamp(24px, 2vw, 40px);
  font-weight: 1000;
}
.empty-state {
  flex: 1;
  min-height: 310px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 42px;
  border-radius: 30px;
  border: 2px dashed rgba(203,213,225,0.28);
  background: rgba(15,23,42,0.55);
}
.empty-state h2 {
  margin: 22px 0 8px;
  font-size: clamp(32px, 3vw, 58px);
  text-transform: uppercase;
}
.empty-state p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(20px, 1.6vw, 30px);
  font-weight: 800;
}
.radar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 4px solid rgba(56,189,248,0.9);
  background: radial-gradient(circle, rgba(56,189,248,0.25), transparent 60%);
  position: relative;
  box-shadow: 0 0 38px rgba(56,189,248,0.35);
}
.radar::before,
.radar::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 3px solid rgba(56,189,248,0.45);
  border-radius: 50%;
}
.radar::after { inset: 48px; }
@media (max-width: 1100px) {
  .topbar { flex-direction: column; }
  .brand-block { align-items: flex-end; }
  .clock { align-self: flex-end; padding-top: 0; }
}
@media (max-width: 900px) {
  .brand-block { flex-direction: column; align-items: flex-start; }
  .event-card { grid-template-columns: 1fr; }
  .countdown { text-align: left; }
}


/* 720p / Raspberry Pi display tuning.
   Keeps the interface readable outdoors, but prevents the header and cards from consuming too much vertical space. */
@media (max-width: 1366px), (max-height: 800px) {
  body::before {
    background-size: 34px 34px;
  }

  .app-shell {
    width: 100vw;
    min-height: 100vh;
    padding: 12px 18px;
    gap: 10px;
  }

  .topbar {
    gap: 14px;
    align-items: flex-start;
  }

  .brand-block {
    gap: 18px;
    align-items: flex-end;
    max-width: calc(100vw - 155px);
  }

  .brand-logo {
    width: 210px;
    max-width: 22vw;
  }

  h1 {
    font-size: 44px;
    line-height: 0.94;
    padding-bottom: 8px;
    letter-spacing: -0.045em;
    white-space: nowrap;
  }

  .clock {
    font-size: 34px;
    line-height: 1;
    padding-top: 4px;
  }

  .hero {
    padding: 12px 18px;
    gap: 16px;
    border-radius: 20px;
  }

  .hero-icon {
    width: 54px;
    height: 54px;
    font-size: 38px;
  }

  .hero-title {
    font-size: 36px;
    line-height: 1;
  }

  .event-list {
    gap: 10px;
    overflow: hidden;
  }

  .event-card {
    grid-template-columns: 1fr 210px;
    gap: 18px;
    padding: 14px 18px 14px 24px;
    border-radius: 20px;
    border-width: 2px;
  }

  .event-card::before {
    width: 10px;
  }

  .asset-name {
    font-size: 50px;
    line-height: 0.94;
  }

  .asset-meta {
    margin-top: 7px;
    gap: 8px;
    font-size: 17px;
  }

  .pill {
    padding: 5px 9px;
  }

  .side {
    gap: 8px;
  }

  .countdown {
    font-size: 34px;
    line-height: 1;
  }

  .battery-wrap {
    gap: 10px;
  }

  .battery {
    height: 36px;
    border-width: 3px;
    border-radius: 10px;
    padding: 3px;
  }

  .battery::after {
    top: 8px;
    right: -11px;
    width: 7px;
    height: 14px;
    border-radius: 0 4px 4px 0;
  }

  .battery-fill {
    border-radius: 6px;
  }

  .battery-label {
    min-width: 58px;
    font-size: 26px;
  }

  .empty-state {
    min-height: 0;
    flex: 1;
    padding: 18px;
    border-radius: 22px;
  }

  .empty-state h2 {
    margin: 14px 0 5px;
    font-size: 34px;
  }

  .empty-state p {
    font-size: 22px;
  }

  .radar {
    width: 92px;
    height: 92px;
    border-width: 3px;
  }

  .radar::before {
    inset: 14px;
    border-width: 2px;
  }

  .radar::after {
    inset: 32px;
    border-width: 2px;
  }
}

@media (max-width: 980px) {
  .brand-block {
    max-width: none;
  }

  h1 {
    white-space: normal;
  }
}


/* v0.1.9: Raspberry Pi / 720p kiosk fit. Prevent browser scrollbars and scale the layout to 1280x720. */
html,
body {
  width: 100%;
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

body {
  overscroll-behavior: none;
}

.app-shell {
  width: 100vw;
  height: 100vh;
  min-height: 0;
  max-width: none;
  overflow: hidden;
}

.topbar,
.hero,
.event-list,
.empty-state {
  min-width: 0;
}

.brand-block {
  flex: 1 1 auto;
  min-width: 0;
}

h1 {
  min-width: 0;
  overflow-wrap: anywhere;
}

.clock {
  flex: 0 0 auto;
}

.event-list {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.empty-state {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

@media (max-width: 1400px), (max-height: 800px) {
  .app-shell {
    padding: 12px 16px;
    gap: 10px;
  }

  .topbar {
    gap: 14px;
  }

  .brand-block {
    gap: 16px;
  }

  .brand-logo {
    width: clamp(165px, 18vw, 230px);
  }

  h1 {
    font-size: clamp(30px, 3.6vw, 46px);
    padding-bottom: 7px;
    line-height: 0.96;
  }

  .clock {
    font-size: clamp(26px, 2.6vw, 36px);
    padding-top: 4px;
  }

  .hero {
    padding: 12px 18px;
    gap: 16px;
    border-radius: 20px;
  }

  .hero-icon {
    width: 54px;
    height: 54px;
    font-size: 38px;
  }

  .hero-title {
    font-size: clamp(28px, 3vw, 38px);
  }

  .event-list {
    gap: 10px;
  }

  .event-card {
    grid-template-columns: 1fr 210px;
    gap: 16px;
    padding: 16px 20px;
    border-radius: 20px;
    border-width: 2px;
  }

  .event-card::before {
    width: 10px;
  }

  .asset-name {
    font-size: clamp(36px, 5vw, 62px);
    line-height: 0.96;
  }

  .asset-meta {
    margin-top: 8px;
    gap: 8px;
    font-size: clamp(15px, 1.6vw, 20px);
  }

  .pill {
    padding: 6px 10px;
  }

  .side {
    gap: 8px;
  }

  .countdown {
    font-size: clamp(28px, 3vw, 40px);
  }

  .battery-wrap {
    gap: 10px;
  }

  .battery {
    height: 38px;
    border-width: 4px;
    border-radius: 10px;
    padding: 4px;
  }

  .battery::after {
    top: 9px;
    right: -12px;
    width: 8px;
    height: 16px;
  }

  .battery-fill {
    border-radius: 6px;
  }

  .battery-label {
    min-width: 58px;
    font-size: clamp(20px, 2vw, 28px);
  }

  .empty-state {
    padding: 16px;
    border-radius: 22px;
  }

  .empty-state h2 {
    margin: 12px 0 4px;
    font-size: clamp(30px, 4vw, 44px);
  }

  .empty-state p {
    font-size: clamp(18px, 2vw, 24px);
  }

  .radar {
    width: 96px;
    height: 96px;
  }

  .radar::before {
    inset: 14px;
  }

  .radar::after {
    inset: 34px;
  }
}

@media (max-width: 900px) {
  .brand-block {
    flex-direction: row;
    align-items: flex-end;
  }
}


/* v0.1.11: dynamic card scaling based on visible count (up to 5).
   Makes it possible to fit at least four, and ideally five, active cards on the display. */
.event-list.density-1,
.event-list.density-2 {
  gap: 10px;
}

.event-list.density-3 {
  gap: 9px;
}
.event-list.density-3 .event-card {
  padding: 14px 18px;
  grid-template-columns: 1fr 195px;
  gap: 14px;
  border-radius: 18px;
}
.event-list.density-3 .asset-name {
  font-size: clamp(32px, 4vw, 52px);
}
.event-list.density-3 .asset-meta {
  margin-top: 6px;
  font-size: clamp(14px, 1.3vw, 18px);
  gap: 6px;
}
.event-list.density-3 .pill {
  padding: 5px 8px;
}
.event-list.density-3 .countdown {
  font-size: clamp(22px, 2.3vw, 32px);
}
.event-list.density-3 .battery {
  height: 32px;
  border-width: 3px;
  padding: 3px;
}
.event-list.density-3 .battery::after {
  top: 7px;
  right: -10px;
  width: 7px;
  height: 13px;
}
.event-list.density-3 .battery-label {
  min-width: 48px;
  font-size: clamp(18px, 1.6vw, 24px);
}

.event-list.density-4 {
  gap: 8px;
}
.event-list.density-4 .event-card {
  padding: 12px 16px;
  grid-template-columns: 1fr 180px;
  gap: 12px;
  border-radius: 16px;
  border-width: 2px;
}
.event-list.density-4 .event-card::before {
  width: 8px;
}
.event-list.density-4 .asset-name {
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 0.94;
}
.event-list.density-4 .asset-meta {
  margin-top: 5px;
  font-size: clamp(12px, 1.1vw, 16px);
  gap: 6px;
}
.event-list.density-4 .pill {
  padding: 4px 7px;
}
.event-list.density-4 .countdown {
  font-size: clamp(20px, 2vw, 28px);
}
.event-list.density-4 .side {
  gap: 6px;
}
.event-list.density-4 .battery-wrap {
  gap: 8px;
}
.event-list.density-4 .battery {
  height: 28px;
  border-width: 3px;
  border-radius: 8px;
  padding: 2px;
}
.event-list.density-4 .battery::after {
  top: 6px;
  right: -9px;
  width: 6px;
  height: 11px;
}
.event-list.density-4 .battery-label {
  min-width: 44px;
  font-size: clamp(16px, 1.5vw, 22px);
}

.event-list.density-5 {
  gap: 7px;
}
.event-list.density-5 .event-card {
  padding: 10px 14px;
  grid-template-columns: 1fr 170px;
  gap: 10px;
  border-radius: 14px;
  border-width: 2px;
}
.event-list.density-5 .event-card::before {
  width: 7px;
}
.event-list.density-5 .asset-name {
  font-size: clamp(24px, 3vw, 38px);
  line-height: 0.92;
}
.event-list.density-5 .asset-meta {
  margin-top: 4px;
  font-size: clamp(11px, 1vw, 14px);
  gap: 5px;
}
.event-list.density-5 .pill {
  padding: 3px 6px;
}
.event-list.density-5 .countdown {
  font-size: clamp(18px, 1.8vw, 24px);
}
.event-list.density-5 .side {
  gap: 5px;
}
.event-list.density-5 .battery-wrap {
  gap: 7px;
}
.event-list.density-5 .battery {
  height: 24px;
  border-width: 2px;
  border-radius: 7px;
  padding: 2px;
}
.event-list.density-5 .battery::after {
  top: 5px;
  right: -8px;
  width: 5px;
  height: 9px;
}
.event-list.density-5 .battery-label {
  min-width: 40px;
  font-size: clamp(14px, 1.3vw, 18px);
}

@media (max-width: 900px) {
  .event-list.density-3 .event-card,
  .event-list.density-4 .event-card,
  .event-list.density-5 .event-card {
    grid-template-columns: 1fr;
  }
}