:root {
  --bg: #ffffff;
  --surface: #f5f5f7;
  --border: #e5e7eb;
  --text: #0a0a0a;
  --text-muted: #6b7280;
  --primary: #0a0a0a;
  --primary-text: #ffffff;
  --accent: #16a34a;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.06);
  --tap: 56px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --surface: #18181b;
    --border: #27272a;
    --text: #fafafa;
    --text-muted: #a1a1aa;
    --primary: #fafafa;
    --primary-text: #0a0a0a;
    --accent: #22c55e;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.4);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
    env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.container {
  width: 100%;
  max-width: 480px;
  padding: 32px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
  padding-top: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 4px;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary);
  color: var(--primary-text);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.brand-name {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0;
  color: var(--text-muted);
  font-size: 16px;
}

.status {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 20px;
}

.status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
}

.status.is-open {
  color: var(--accent);
}

.status.is-open::before {
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: var(--tap);
  padding: 0 20px;
  border-radius: var(--radius);
  font-size: 17px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.06s ease, background-color 0.15s ease,
    border-color 0.15s ease, opacity 0.15s ease;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.btn:active {
  transform: scale(0.985);
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-text);
}

.btn-primary:hover {
  opacity: 0.92;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: color-mix(in srgb, var(--surface) 70%, var(--text) 6%);
}

.icon {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

.btn-label {
  letter-spacing: -0.01em;
}

.info {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 16px;
}

.info dl {
  margin: 0;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.info-row:last-child {
  border-bottom: 0;
}

.info dt {
  color: var(--text-muted);
  font-size: 15px;
}

.info dd {
  margin: 0;
  font-weight: 600;
  font-size: 16px;
}

.foot {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 4px;
}

.foot p {
  margin: 0;
}

@media (min-width: 640px) {
  .container {
    padding: 56px 24px 32px;
    gap: 32px;
  }

  .brand-name {
    font-size: 32px;
  }

  .tagline {
    font-size: 17px;
  }
}

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