/* TapCount — minimal shared counter UI */
:root {
  color-scheme: light;
  --bg: #eef2ff;
  --bg-accent: #dbeafe;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-strong: #ffffff;
  --border: rgba(15, 23, 42, 0.12);
  --border-strong: rgba(15, 23, 42, 0.18);
  --text: #0f172a;
  --text-muted: #475569;
  --primary: #1d4ed8;
  --primary-strong: #1e40af;
  --primary-contrast: #ffffff;
  --secondary: #e2e8f0;
  --secondary-strong: #cbd5e1;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.14);
  --shadow-soft: 0 10px 24px rgba(15, 23, 42, 0.1);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --space-1: 0.35rem;
  --space-2: 0.6rem;
  --space-3: 0.9rem;
  --space-4: 1.2rem;
  --space-5: 1.6rem;
  --space-6: 2rem;
  --space-7: 2.75rem;
  --max-width: 32rem;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top, rgba(96, 165, 250, 0.26), transparent 34%),
    radial-gradient(circle at 85% 20%, rgba(129, 140, 248, 0.16), transparent 30%),
    linear-gradient(180deg, var(--bg), #f8fafc 58%, #f8fafc 100%);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
output {
  font: inherit;
}

button {
  appearance: none;
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

#tapcount-app {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 2rem);
}

#tapcount-shell {
  width: min(100%, var(--max-width));
  display: grid;
  gap: var(--space-5);
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--surface), rgba(255, 255, 255, 0.72));
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  position: relative;
  overflow: hidden;
}

#tapcount-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(59, 130, 246, 0.12), transparent 28%),
    radial-gradient(circle at bottom right, rgba(99, 102, 241, 0.08), transparent 34%);
  pointer-events: none;
}

#tapcount-shell > * {
  position: relative;
  z-index: 1;
}

.tapcount-intro {
  display: grid;
  gap: var(--space-2);
}

.tapcount-eyebrow {
  margin: 0;
  color: var(--primary-strong);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.tapcount-title {
  margin: 0;
  font-size: clamp(2.3rem, 7vw, 4rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
  font-weight: 850;
}

.tapcount-summary {
  margin: 0;
  max-width: 32ch;
  color: var(--text-muted);
  font-size: 1rem;
}

#tapcount-counter {
  display: grid;
  justify-items: start;
  gap: var(--space-2);
  padding: clamp(1rem, 3vw, 1.35rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.9));
  box-shadow: var(--shadow-soft);
}

.tapcount-counter-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.tapcount-count {
  display: inline-flex;
  align-items: baseline;
  min-height: 1ch;
  font-size: clamp(3.5rem, 13vw, 6.2rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
  font-weight: 850;
  color: var(--text);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.9);
}

.tapcount-loading,
.tapcount-note,
.tapcount-message {
  margin: 0;
}

.tapcount-loading {
  color: var(--text-muted);
  font-size: 0.95rem;
}

#tapcount-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.tapcount-button {
  min-height: 3.25rem;
  padding: 0.95rem 1.05rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 1rem;
  font-weight: 750;
  letter-spacing: -0.01em;
  transition:
    transform 140ms ease,
    box-shadow 140ms ease,
    background-color 140ms ease,
    border-color 140ms ease,
    color 140ms ease;
  user-select: none;
}

.tapcount-button--primary {
  color: var(--primary-contrast);
  background: linear-gradient(180deg, #2563eb, var(--primary-strong));
  box-shadow: 0 12px 24px rgba(37, 99, 235, 0.24);
}

.tapcount-button--secondary {
  color: var(--text);
  background: linear-gradient(180deg, var(--secondary), var(--secondary-strong));
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
}

.tapcount-button:hover {
  transform: translateY(-1px);
}

.tapcount-button--primary:hover {
  box-shadow: 0 16px 30px rgba(37, 99, 235, 0.28);
}

.tapcount-button:active {
  transform: translateY(0) scale(0.99);
}

.tapcount-button:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.3);
  outline-offset: 3px;
}

#tapcount-feedback {
  display: grid;
  gap: var(--space-2);
  padding-top: var(--space-1);
}

[data-kelqen-primitive="feedback"] {
  font-weight: 650;
  color: var(--text);
}

.tapcount-note {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.tapcount-noscript {
  margin-top: var(--space-2);
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text-muted);
}

[data-kelqen-card] {
  position: relative;
}

[data-kelqen-alignable] {
  align-self: stretch;
}

@media (min-width: 720px) {
  #tapcount-shell {
    padding: 2rem;
    gap: var(--space-6);
  }

  .tapcount-summary {
    font-size: 1.05rem;
  }

  #tapcount-counter {
    grid-template-columns: auto 1fr;
    align-items: end;
  }

  .tapcount-counter-label {
    grid-column: 1 / -1;
  }

  .tapcount-count {
    grid-column: 1;
  }

  .tapcount-loading {
    grid-column: 2;
    align-self: center;
    justify-self: end;
    text-align: right;
  }

  #tapcount-feedback {
    grid-template-columns: 1fr auto;
    align-items: start;
  }

  .tapcount-note {
    text-align: right;
  }
}

@media (max-width: 420px) {
  #tapcount-app {
    padding: 0.75rem;
  }

  #tapcount-shell {
    width: 100%;
    border-radius: 24px;
    gap: var(--space-4);
  }

  #tapcount-actions {
    grid-template-columns: 1fr;
  }

  .tapcount-button {
    width: 100%;
  }

  .tapcount-summary {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}