/* ============================================================
   [FILE: core/css/overlays.css]
   ============================================================ */

.touch-hint {
  position: fixed;
  inset: 0;

  width: max-content;
  height: max-content;
  max-width: 90%;

  margin: auto;

  padding: clamp(14px, 3vw, 28px) clamp(18px, 5vw, 42px);

  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);

  pointer-events: none;
  z-index: 10;

  animation: pulse-glow 1.8s ease-in-out infinite;
}

.touch-hint small { display: block; }

.hint-start { display: none; }
.hint-limit { display: none; }

.hint-limit-title,
.hint-limit-record,
.hint-limit-body { display: block; }

.hint-limit-body p { margin: 0; }
.hint-limit-body p + p { margin-top: 6px; }

body[data-hint="none"]  .touch-hint { display: none; }

body[data-hint="start"] .hint-start { display: block; }
body[data-hint="limit"] .hint-limit { display: block; }

body[data-hint="limit"] .touch-hint { animation: none; }

@keyframes pulse-glow {
  0%, 100% { opacity: 0.95; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.05); }
}

.intro-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 16px;

  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);

  transition: opacity var(--t-base), visibility var(--t-base);
}

.intro-modal.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.intro-content {
  position: relative;
  width: 100%;
  max-width: 460px;
  max-height: 90vh;

  display: flex;
  flex-direction: column;

  padding: clamp(20px, 5vw, 32px);

  text-align: center;
  overflow-y: auto;
}

.intro-title { margin-bottom: 16px; }

.intro-rules { line-height: 1.6; text-align: left; }

.intro-rules ul { list-style: none; padding: 0; margin: 0; }

.intro-rules li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
}

.intro-rules li::before {
  content: '◆';
  position: absolute;
  left: 0; top: 0;
}

.intro-cookie {
  margin-top: 20px;
  padding-top: 16px;
  line-height: 1.5;
  text-align: center;
}

.intro-accept {
  align-self: center;
  margin-top: 20px;
  padding: 12px 36px;

  font-family: inherit;
  white-space: nowrap;

  cursor: pointer;
  touch-action: manipulation;

  transition:
    background var(--t-fast),
    box-shadow var(--t-fast),
    transform var(--t-fast);
}

.intro-accept:active { transform: translateY(4px); }

@media (max-width: 520px) {
  .intro-content { max-height: 88vh; padding: 18px 16px; }
  .intro-accept  { width: 100%; }
}