/* UrbanEdge — modern WhatsApp chat widget */

.wa-widget {
  --wa-primary: #f97316;
  --wa-primary-dark: #ea580c;
  --wa-dark: #1a1a1a;
  --wa-muted: #6c757d;
  --wa-surface: #ffffff;
  --wa-bg: #f4f5f7;
  --wa-radius: 1rem;
  --wa-shadow: 0 18px 48px rgba(26, 26, 26, 0.18);
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 9999;
  isolation: isolate;
  font-family: "Open Sans", system-ui, sans-serif;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Layer 0 — dimmed backdrop (must stay below panel) */
.wa-widget__backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  border: 0;
  padding: 0;
  margin: 0;
  background: rgba(26, 26, 26, 0.45);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.wa-widget__backdrop:not([hidden]) {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Layer 1 — chat panel */
.wa-widget__panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 0.85rem);
  width: min(22rem, calc(100vw - 2rem));
  background: var(--wa-surface);
  border: 1px solid rgba(26, 26, 26, 0.08);
  border-radius: var(--wa-radius);
  box-shadow: var(--wa-shadow);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.96);
  transform-origin: bottom right;
  transition:
    opacity 0.28s ease,
    transform 0.28s ease,
    visibility 0.28s ease;
  pointer-events: none;
  z-index: 1;
}

.wa-widget.is-open .wa-widget__panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* Layer 2 — floating button */
.wa-widget__toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.75rem;
  height: 3.75rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--wa-primary) 0%, var(--wa-primary-dark) 100%);
  color: #fff;
  font-size: 1.65rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(249, 115, 22, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease, visibility 0.2s ease;
  z-index: 2;
  -webkit-appearance: none;
  appearance: none;
}

.wa-widget__toggle .bi {
  display: block;
  font-size: 1.65rem;
  line-height: 1;
}

.wa-widget__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1rem 0.9rem;
  background: linear-gradient(135deg, var(--wa-dark) 0%, #2a2a2a 100%);
  color: #fff;
}

.wa-widget__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.wa-widget__avatar {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: #111;
  border: 2px solid rgba(249, 115, 22, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
}

.wa-widget__avatar img {
  width: 2rem;
  height: auto;
  max-height: 2rem;
  object-fit: contain;
  display: block;
  mix-blend-mode: screen;
}

.wa-widget__brand-text {
  min-width: 0;
}

.wa-widget__brand strong {
  display: block;
  font-family: "Montserrat", sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.wa-widget__status {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.15rem;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.72);
}

.wa-widget__status-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.25);
  flex-shrink: 0;
}

.wa-widget__close {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
}

.wa-widget__close .bi {
  display: block;
  font-size: 1.1rem;
  line-height: 1;
}

.wa-widget__close:hover {
  background: rgba(255, 255, 255, 0.22);
}

.wa-widget__body {
  padding: 1rem;
  background: var(--wa-bg);
  max-height: 14rem;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(26, 26, 26, 0.2) transparent;
}

.wa-widget__bubble {
  position: relative;
  max-width: 92%;
  padding: 0.85rem 1rem;
  background: var(--wa-surface);
  border: 1px solid rgba(26, 26, 26, 0.06);
  border-radius: 0.85rem 0.85rem 0.85rem 0.2rem;
  color: var(--wa-dark);
  box-shadow: 0 2px 8px rgba(26, 26, 26, 0.05);
}

.wa-widget__bubble p {
  margin: 0;
}

.wa-widget__bubble p + p {
  margin-top: 0.55rem;
}

.wa-widget__footer {
  padding: 0.85rem 1rem 1rem;
  background: var(--wa-surface);
  border-top: 1px solid rgba(26, 26, 26, 0.06);
}

.wa-widget__input {
  width: 100%;
  min-height: 4.5rem;
  max-height: 7rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(26, 26, 26, 0.12);
  border-radius: 0.65rem;
  background: var(--wa-bg);
  color: var(--wa-dark);
  font: inherit;
  line-height: 1.45;
  resize: none;
  box-sizing: border-box;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.wa-widget__input:focus {
  outline: none;
  border-color: rgba(249, 115, 22, 0.55);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
}

.wa-widget__send {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  width: 100%;
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--wa-primary) 0%, var(--wa-primary-dark) 100%);
  color: #fff;
  font-family: "Montserrat", sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 8px 20px rgba(249, 115, 22, 0.28);
}

.wa-widget__send:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(249, 115, 22, 0.36);
}

.wa-widget__send .bi {
  font-size: 1rem;
}

.wa-widget__toggle:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 14px 32px rgba(249, 115, 22, 0.42);
}

.wa-widget__toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: calc(100% + 8px);
  height: calc(100% + 8px);
  border-radius: 50%;
  border: 2px solid rgba(249, 115, 22, 0.45);
  transform: translate(-50%, -50%);
  animation: wa-pulse 2.2s ease-out infinite;
  pointer-events: none;
  box-sizing: border-box;
}

.wa-widget.is-open .wa-widget__toggle {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(0.85);
}

.wa-widget.is-open .wa-widget__toggle::after {
  animation: none;
  opacity: 0;
}

body.wa-widget-open {
  overflow: hidden;
}

@keyframes wa-pulse {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.7;
  }
  70%,
  100% {
    transform: translate(-50%, -50%) scale(1.15);
    opacity: 0;
  }
}

@media (max-width: 640px) {
  .wa-widget {
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
  }

  .wa-widget__panel {
    position: fixed;
    left: max(1rem, env(safe-area-inset-left));
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
    width: auto;
    max-width: none;
    max-height: min(28rem, calc(100dvh - 2rem - env(safe-area-inset-bottom)));
    transform-origin: bottom center;
    display: flex;
    flex-direction: column;
  }

  .wa-widget.is-open .wa-widget__panel {
    transform: translateY(0) scale(1);
  }

  .wa-widget__header {
    padding: 1.1rem 1.1rem 1rem;
  }

  .wa-widget__brand strong {
    font-size: 0.9rem;
  }

  .wa-widget__status {
    font-size: 0.68rem;
    line-height: 1.35;
  }

  .wa-widget__body {
    flex: 1 1 auto;
    min-height: 0;
    max-height: 9.5rem;
    padding: 0.9rem 1rem;
  }

  .wa-widget__bubble {
    max-width: 100%;
    font-size: 0.88rem;
  }

  .wa-widget__footer {
    flex-shrink: 0;
    padding: 0.9rem 1rem max(1rem, env(safe-area-inset-bottom));
  }

  .wa-widget__input {
    min-height: 3.5rem;
    max-height: 5rem;
    font-size: 16px;
  }

  .wa-widget__send {
    margin-top: 0.85rem;
    padding: 0.85rem 1rem;
  }

  .wa-widget__toggle {
    position: fixed;
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
    width: 3.5rem;
    height: 3.5rem;
    font-size: 1.5rem;
  }

  .wa-widget__toggle .bi {
    font-size: 1.5rem;
  }
}