/* === MangaZen Support Button Styles === */

/* Shared */
.mzs-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none !important;
  line-height: 1.4;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
.mzs-btn:hover {
  transform: translateY(-2px);
  text-decoration: none !important;
}

/* A — Coffee */
.mzs-btn-coffee { background: #FFDD00; color: #000 !important; padding: 11px 24px; border-radius: 12px; }
.mzs-btn-coffee:hover { background: #e6c700; box-shadow: 0 4px 15px rgba(255,221,0,.3); color: #000 !important; }
.mzs-btn-coffee .mzs-txt, .mzs-btn-coffee .mzs-txt span, .mzs-btn-coffee .mzs-txt-static { color: #000 !important; }
.mzs-icon-coffee { position: relative; width: 22px; height: 22px; flex-shrink: 0; }
.mzs-icon-coffee svg { width: 22px; height: 22px; }
.mzs-steam { position: absolute; width: 3px; border-radius: 50%; background: rgba(0,0,0,.22); }
.mzs-steam-1 { height: 5px; left: 3px; top: -7px; animation: mzsSteam 1.8s ease-out infinite; }
.mzs-steam-2 { height: 4px; left: 9px; top: -5px; animation: mzsSteam 1.8s ease-out infinite 0.4s; }
.mzs-steam-3 { height: 6px; left: 15px; top: -8px; animation: mzsSteam 1.8s ease-out infinite 0.8s; }
@keyframes mzsSteam {
  0%   { opacity: 0; transform: translateY(0) scale(1); }
  20%  { opacity: 0.55; }
  50%  { opacity: 0.25; transform: translateY(-11px) scale(1.3); }
  100% { opacity: 0; transform: translateY(-20px) scale(0.5); }
}

/* B — Heart */
.mzs-btn-heart { background: linear-gradient(135deg, #ff6b6b, #ee5a24); color: #fff !important; padding: 12px 28px; border-radius: 50px; }
.mzs-btn-heart:hover { box-shadow: 0 4px 20px rgba(255,107,107,.4); color: #fff !important; }
.mzs-btn-heart .mzs-txt, .mzs-btn-heart .mzs-txt span, .mzs-btn-heart .mzs-txt-static { color: #fff !important; }
.mzs-btn-heart svg { width: 20px; height: 20px; flex-shrink: 0; animation: mzsHeartbeat 1.4s ease-in-out infinite; }
@keyframes mzsHeartbeat {
  0%   { transform: scale(1); }
  15%  { transform: scale(1.25); }
  30%  { transform: scale(1); }
  45%  { transform: scale(1.15); }
  60%, 100% { transform: scale(1); }
}

/* C — Star */
.mzs-btn-star { background: #00BCD4; color: #000 !important; padding: 11px 24px; border-radius: 10px; }
.mzs-btn-star:hover { background: #00d4ef; box-shadow: 0 4px 20px rgba(0,188,212,.4); color: #000 !important; }
.mzs-btn-star .mzs-txt, .mzs-btn-star .mzs-txt span, .mzs-btn-star .mzs-txt-static { color: #000 !important; }
.mzs-btn-star svg { width: 20px; height: 20px; flex-shrink: 0; animation: mzsStarGlow 2s ease-in-out infinite; }
@keyframes mzsStarGlow {
  0%   { transform: scale(1) rotate(0deg); filter: drop-shadow(0 0 0px transparent); }
  50%  { transform: scale(1.15) rotate(8deg); filter: drop-shadow(0 0 5px rgba(0,0,0,.3)); }
  100% { transform: scale(1) rotate(0deg); filter: drop-shadow(0 0 0px transparent); }
}

/* ====== TEXT DISPLAY ====== */

/* Static text (dynamic_text OFF) */
.mzs-txt-static {
  white-space: nowrap;
}

/* Dynamic text (dynamic_text ON) */
.mzs-txt {
  display: inline-block;
  position: relative;
  white-space: nowrap;
}
.mzs-txt span {
  white-space: nowrap;
  transition: opacity 0.4s, transform 0.4s;
  opacity: 0;
  position: absolute;
  left: 0;
  top: 0;
  transform: translateY(8px);
}
.mzs-txt span.mzs-active {
  opacity: 1;
  transform: translateY(0);
  position: relative;
}

/* ====== PLACEMENT: Top of content ====== */
.mzs-top {
  text-align: center;
  padding: 16px 0 20px;
  margin-bottom: 16px;
}

/* ====== PLACEMENT: Floating button ====== */
.mzs-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 0.35s, transform 0.35s;
}
.mzs-float.mzs-float-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mzs-float .mzs-btn {
  border-radius: 50px;
  padding: 14px 22px;
  box-shadow: 0 4px 20px rgba(0,0,0,.4);
}
/* Dismiss close button */
.mzs-float-close {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 22px;
  height: 22px;
  background: #333;
  color: #fff;
  border: 2px solid #fff;
  border-radius: 50%;
  font-size: 12px;
  line-height: 18px;
  text-align: center;
  cursor: pointer;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.2s;
}
.mzs-float:hover .mzs-float-close { opacity: 1; }
/* Mobile: icon only */
.mzs-float .mzs-txt,
.mzs-float .mzs-txt-static { display: none; }
@media (min-width: 768px) {
  .mzs-float .mzs-btn { padding: 14px 24px; }
  .mzs-float .mzs-txt,
  .mzs-float .mzs-txt-static { display: inline-block; }
}

/* ====== PLACEMENT: After chapter ====== */
.mzs-after {
  background: #f5f5f5;
  padding: 40px 20px 30px;
  text-align: center;
  margin-top: 24px;
  border-radius: 12px;
  border: 1px solid #e0e0e0;
}
.mzs-after p {
  color: #666;
  font-size: 15px;
  margin-bottom: 18px;
  line-height: 1.5;
}
.mzs-after .mzs-btn { font-size: 17px; padding: 14px 32px; }