/* ============================================================
   Rehab Expo — WhatsApp Floating Button
   Version 1.0.0
   ============================================================ */

:root {
  --rewa-green:  #25D366;
  --rewa-dark:   #315926;
  --rewa-gold:   #f2b900;
  --rewa-white:  #ffffff;
  --rewa-radius: 50px;
  --rewa-shadow: 0 6px 28px rgba(37,211,102,.35);
  --rewa-z:      9998;
}

/* ── Container ─────────────────────────────────────────── */
#rewa-wrap {
  position: fixed;
  z-index:  var(--rewa-z);
  display:  flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  pointer-events: none;
}

/* ── Tagline bubble ────────────────────────────────────── */
#rewa-tagline {
  pointer-events: all;
  background: var(--rewa-white);
  border: 2px solid var(--rewa-gold);
  border-radius: 16px 16px 4px 16px;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  color: #1a1a1a;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(0,0,0,.12);
  position: relative;
  opacity: 0;
  transform: translateY(8px) scale(.95);
  animation: rewa-bubble-in .5s .8s cubic-bezier(.22,1,.36,1) forwards;
  line-height: 1.4;
  text-align: right;
}
#rewa-tagline .rewa-lang-line {
  display: block;
  font-size: 11px;
  color: #666;
  font-weight: 400;
}
#rewa-tagline::after {
  content: '';
  position: absolute;
  bottom: -8px;
  right: 18px;
  width: 0; height: 0;
  border-left: 8px solid transparent;
  border-top: 8px solid var(--rewa-gold);
}

/* ── Main Button ───────────────────────────────────────── */
#rewa-btn {
  pointer-events: all;
  position:  relative;
  display:   flex;
  align-items: center;
  gap: 10px;
  background: var(--rewa-green);
  color: var(--rewa-white);
  border: none;
  border-radius: var(--rewa-radius);
  padding: 13px 20px 13px 16px;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  box-shadow: var(--rewa-shadow);
  transition: transform .2s, box-shadow .2s, background .2s;
  text-decoration: none;
  outline: none;
  white-space: nowrap;
  /* Gold accent top border = Rehab Expo identity */
  border-top: 3px solid var(--rewa-gold);
}
#rewa-btn:hover,
#rewa-btn:focus-visible {
  background: var(--rewa-dark);
  transform: scale(1.06);
  box-shadow: 0 8px 32px rgba(37,211,102,.45);
}
#rewa-btn:active { transform: scale(.98); }

/* Labels */
.rewa-label {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  text-align: left;
}
.rewa-label-ar {
  font-size: 14px;
  font-weight: 700;
  font-family: 'Tajawal', 'Noto Kufi Arabic', sans-serif;
  direction: rtl;
}
.rewa-label-en {
  font-size: 11px;
  font-weight: 400;
  opacity: .85;
}

/* ── WhatsApp SVG Icon ─────────────────────────────────── */
.rewa-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  background: rgba(255,255,255,.18);
  border-radius: 50%;
  padding: 4px;
  box-sizing: border-box;
}
.rewa-icon svg {
  width: 100%;
  height: 100%;
  fill: #fff;
}

/* ── Pulse ring animation ──────────────────────────────── */
#rewa-pulse-ring {
  position: absolute;
  top: 50%; left: 50%;
  width: 100%; height: 100%;
  transform: translate(-50%,-50%);
  border-radius: var(--rewa-radius);
  border: 3px solid var(--rewa-green);
  opacity: 0;
  pointer-events: none;
  animation: rewa-pulse 2.4s ease-out infinite;
}
#rewa-pulse-ring-2 {
  animation-delay: 1.2s;
}

/* ── Rehab Expo badge ──────────────────────────────────── */
#rewa-badge {
  position: absolute;
  top: -9px;
  left: -8px;
  background: var(--rewa-gold);
  color: #fff;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .04em;
  padding: 2px 7px;
  border-radius: 20px;
  pointer-events: none;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ── Keyframes ─────────────────────────────────────────── */
@keyframes rewa-pulse {
  0%   { opacity: .7; transform: translate(-50%,-50%) scale(1); }
  70%  { opacity: 0;  transform: translate(-50%,-50%) scale(1.45); }
  100% { opacity: 0;  transform: translate(-50%,-50%) scale(1.45); }
}

@keyframes rewa-bubble-in {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes rewa-btn-enter {
  from { opacity: 0; transform: translateY(20px) scale(.9); }
  to   { opacity: 1; transform: translateY(0)    scale(1); }
}

#rewa-btn {
  animation: rewa-btn-enter .6s .3s cubic-bezier(.22,1,.36,1) both;
}

/* ── Auto-hide tagline after 8s ────────────────────────── */
#rewa-tagline.rewa-hide {
  animation: rewa-bubble-out .4s forwards;
}
@keyframes rewa-bubble-out {
  to { opacity: 0; transform: translateY(6px) scale(.92); }
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 480px) {
  #rewa-btn { padding: 12px 14px; }
  .rewa-label-ar  { font-size: 13px; }
  .rewa-label-en  { display: none; }
  #rewa-tagline   { font-size: 11px; max-width: 180px; white-space: normal; }
}