/* Styles der Counter-App.
   --app-color und --app-contrast werden von app.js aus APP_COLOR gesetzt. */

:root {
  --app-color: #4f46e5;
  --app-contrast: #ffffff;
  --card-bg: rgba(255, 255, 255, 0.14);
  --card-border: rgba(255, 255, 255, 0.28);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  background:
    radial-gradient(circle at 20% 15%, rgba(255, 255, 255, 0.22), transparent 55%),
    radial-gradient(circle at 85% 90%, rgba(0, 0, 0, 0.18), transparent 50%),
    var(--app-color);
  color: var(--app-contrast);
  transition: background-color 0.3s ease;
}

.card {
  width: min(520px, 100%);
  padding: 40px 32px 32px;
  border-radius: 28px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
  text-align: center;
}

h1 {
  margin: 0;
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 8px 0 0;
  opacity: 0.85;
  font-size: 1.05rem;
}

.counter {
  margin: 36px 0 28px;
}

.counter-value {
  font-size: clamp(4.5rem, 20vw, 8rem);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
}

.counter-label {
  margin-top: 6px;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 0.8;
}

.click-button {
  appearance: none;
  border: none;
  cursor: pointer;
  width: 100%;
  padding: 18px 24px;
  border-radius: 18px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--app-color);
  background: var(--app-contrast);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
  transition: transform 0.1s ease, box-shadow 0.2s ease;
}

.click-button:hover {
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.25);
}

.click-button:active {
  transform: scale(0.97);
}

.click-button:focus-visible {
  outline: 3px solid var(--app-contrast);
  outline-offset: 4px;
}

.click-button.pulse {
  animation: pulse 0.35s ease;
}

@keyframes pulse {
  50% {
    transform: scale(1.03);
  }
}

.status {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 24px;
}

.status-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.12);
}

.status-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.75;
}

.status-value {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 1.2rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #9ca3af;
}

.is-active .dot {
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.3);
}

.is-inactive .dot {
  background: #ef4444;
}

.error {
  margin: 20px 0 0;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.25);
  font-size: 0.9rem;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}