/* Product Assistant V5.9.32
   Panel surface = same recipe as .main-menu (::before / ::after).
   FAB = pre-V5.9.30 appearance (hero trigger unchanged by panel theme).
   @media = layout only. */

:root {
  --pa-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --pa-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ——— FAB: restored to pre-V5.9.30 (panel theme must not restyle this) ——— */
.pa-fab {
  position: fixed;
  right: max(1.15rem, env(safe-area-inset-right));
  bottom: max(1.15rem, env(safe-area-inset-bottom));
  z-index: 950;
  width: 52px;
  height: 52px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: #080808;
  cursor: pointer;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.02),
    0 12px 28px rgba(0, 0, 0, 0.4);
  transition:
    border-color 0.35s var(--pa-ease),
    transform 0.35s var(--pa-ease),
    box-shadow 0.35s var(--pa-ease),
    filter 0.35s var(--pa-ease);
}

.pa-fab:hover {
  border-color: rgba(255, 255, 255, 0.28);
  transform: translateY(-1px);
  box-shadow:
    0 0 18px rgba(255, 255, 255, 0.06),
    0 14px 32px rgba(0, 0, 0, 0.45);
}

.pa-fab.is-active {
  border-color: rgba(255, 255, 255, 0.32);
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.08));
}

/* Desktop: ceder a Hall de Iniciar (components.css) — sin hover glass genérico */
@media (min-width: 601px) {
  .pa-fab,
  .pa-fab:hover,
  .pa-fab:focus-visible,
  .pa-fab.is-active {
    border-color: var(--btn-border, var(--glass-border));
    background: var(--btn-glass-surface, var(--btn-surface));
    box-shadow:
      var(--btn-shadow, 0 8px 24px rgba(0, 0, 0, 0.32)),
      var(--glass-inset-shadow, inset 0 1px 0 color-mix(in srgb, var(--text-primary) 10%, transparent));
    filter: none;
  }
  .pa-fab:hover,
  .pa-fab:focus-visible,
  .pa-fab.is-active {
    background: var(--btn-glass-hover, var(--hover));
    color: var(--btn-text-hover, var(--text-primary));
    border-color: var(--btn-border-hover, var(--btn-border, var(--glass-border)));
    border-width: var(--btn-border-width-hover, var(--btn-border-width, 2px));
    transform: translateY(-1px);
    box-shadow:
      0 12px 28px rgba(0, 0, 0, 0.36),
      var(--glass-inset-shadow, inset 0 1px 0 color-mix(in srgb, var(--text-primary) 12%, transparent));
  }
}

.pa-fab__mark {
  display: block;
  width: 14px;
  height: 14px;
  margin: 0 auto;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  border-radius: 4px 4px 4px 1px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.pa-root {
  position: fixed;
  inset: 0;
  z-index: 960;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  overflow: hidden; /* clip slide — no horizontal page scroll */
  transition: none;
  font-family: inherit;
  color: var(--text-primary);
}

.pa-root.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Fully prepared but not yet painted — avoids intermediate open frame */
.pa-root.is-preparing,
.pa-root.is-preparing.is-open {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transition: none !important;
}

/* Same motion as .main-menu, inverted: right → left */
.pa-panel {
  position: absolute;
  right: max(1.15rem, env(safe-area-inset-right));
  bottom: max(5rem, calc(env(safe-area-inset-bottom) + 4.5rem));
  display: flex;
  flex-direction: column;
  width: min(420px, calc(100vw - 1.5rem));
  height: min(560px, calc(100dvh - 6.5rem));
  border: none;
  border-radius: 18px;
  background: transparent;
  isolation: isolate;
  overflow: hidden;
  transform: translateX(100%);
  transform-origin: bottom right;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  color: var(--text-primary);
  will-change: transform;
}

.pa-root.is-open.is-entered .pa-panel {
  transform: translateX(0);
}

.pa-root.is-preparing .pa-panel {
  transition: none !important;
  transform: translateX(100%) !important;
}

/* Same overlay source + close timing as .main-menu-backdrop */
.pa-backdrop {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  background: var(--overlay-mask, var(--modal-backdrop, var(--backdrop-94)));
  -webkit-backdrop-filter: blur(var(--modal-backdrop-blur, 0px)) saturate(140%);
  backdrop-filter: blur(var(--modal-backdrop-blur, 0px)) saturate(140%);
  transition: opacity 0.45s ease, visibility 0.45s ease;
}

.pa-backdrop.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.pa-root.is-closing {
  pointer-events: none;
}

/* Exact surface recipe from .main-menu::before (components.css) */
.pa-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(168deg,
      color-mix(in srgb, var(--glass-panel) 72%, var(--text-primary) 4%) 0%,
      var(--glass-panel) 42%,
      color-mix(in srgb, var(--glass-panel) 92%, var(--bg-main) 8%) 100%);
  backdrop-filter: blur(var(--menu-glass-blur, var(--glass-blur))) saturate(112%) brightness(1.02);
  -webkit-backdrop-filter: blur(var(--menu-glass-blur, var(--glass-blur))) saturate(112%) brightness(1.02);
  border: 1px solid color-mix(in srgb, var(--text-primary) 5%, transparent);
  box-shadow:
    var(--glass-shadow, 24px 0 64px color-mix(in srgb, var(--bg-main) 28%, transparent)),
    inset 0 1px 0 color-mix(in srgb, var(--text-primary) 4%, transparent);
  z-index: -2;
  pointer-events: none;
}

body[data-panel-glass="glass"] .pa-panel::before {
  border-color: color-mix(in srgb, var(--border) 78%, transparent);
}

/* Exact highlight recipe from .main-menu::after */
.pa-panel::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 42%;
  border-radius: inherit;
  background: linear-gradient(180deg, color-mix(in srgb, var(--text-primary) 5%, transparent), transparent 72%);
  pointer-events: none;
  z-index: -1;
}

.pa-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.95rem 1rem 0.85rem;
  border-bottom: 1px solid color-mix(in srgb, var(--text-primary) 5%, transparent);
  position: relative;
  z-index: 0;
}

.pa-title {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  opacity: var(--text-secondary-opacity, 0.82);
}

.pa-close {
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  opacity: var(--text-muted-opacity, 0.72);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.25s ease, background 0.25s ease, opacity 0.25s ease;
}

.pa-close:hover {
  color: var(--text-primary);
  opacity: 1;
  background: var(--btn-glass-hover, var(--hover));
}

.pa-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 0;
}

.pa-messages {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.1rem 1rem;
  overflow-y: auto;
  text-align: left;
}

.pa-bubble {
  max-width: 92%;
  padding: 0.85rem 1rem;
  border-radius: var(--menu-card-radius, 14px);
  font-size: 0.88rem;
  font-weight: 300;
  line-height: 1.55;
}

.pa-bubble p {
  margin: 0 0 0.45rem;
}

.pa-bubble p:last-child {
  margin-bottom: 0;
}

/* Same inner surface as .main-menu .personalize-block.glass-surface */
.pa-bubble--bot {
  align-self: flex-start;
  background: var(--panel-glass-surface);
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(calc(var(--glass-blur, 22px) * 0.65)) saturate(125%);
  -webkit-backdrop-filter: blur(calc(var(--glass-blur, 22px) * 0.65)) saturate(125%);
}

.pa-bubble--user {
  align-self: flex-end;
  background: var(--panel-glass-surface);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(calc(var(--glass-blur, 22px) * 0.65)) saturate(125%);
  -webkit-backdrop-filter: blur(calc(var(--glass-blur, 22px) * 0.65)) saturate(125%);
}

.pa-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.15rem;
}

/* Quick actions = same surface/border recipe as .menu-item */
.pa-chip {
  padding: 0.45rem 0.75rem;
  border: 1px solid color-mix(in srgb, var(--text-primary) 6%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--btn-glass-surface, var(--btn-surface)) 88%, var(--text-primary) 3%);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--text-primary) 5%, transparent);
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.pa-chip:hover {
  color: var(--btn-text-hover, var(--text-primary));
  border-color: var(--btn-border-hover, var(--btn-border, color-mix(in srgb, var(--text-primary) 9%, transparent)));
  background: var(--btn-glass-hover, var(--hover));
}

.pa-handoff {
  flex-shrink: 0;
  padding: 0.95rem 1.1rem 1rem;
  border-top: 1px solid color-mix(in srgb, var(--text-primary) 5%, transparent);
  text-align: center;
  position: relative;
  z-index: 0;
}

.pa-handoff__copy {
  margin: 0 0 0.7rem;
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  opacity: var(--text-muted-opacity, 0.72);
}

/* WhatsApp CTA = menu button tokens */
.pa-wa {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.55rem 1rem;
  border: var(--btn-border-width, 2px) solid var(--btn-border, var(--glass-border));
  border-radius: 999px;
  background: var(--btn-glass-surface, var(--btn-surface));
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: var(--glass-inset-shadow);
  transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.pa-wa:hover {
  color: var(--btn-text-hover, var(--text-primary));
  border-color: var(--btn-border-hover, var(--btn-border, var(--glass-border)));
  background: var(--btn-glass-hover, var(--hover));
}

.pa-wa__icon {
  flex-shrink: 0;
  color: inherit;
  fill: currentColor;
}

.pa-compose {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 0.85rem;
  border-top: 1px solid color-mix(in srgb, var(--text-primary) 5%, transparent);
  background: transparent;
  position: relative;
  z-index: 0;
}

.pa-compose input {
  flex: 1;
  min-width: 0;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  background: var(--panel-glass-surface);
  color: var(--text-primary);
  caret-color: var(--text-primary);
  font-family: inherit;
  font-size: 16px;
  font-weight: 300;
  outline: none;
  -webkit-text-size-adjust: 100%;
}

.pa-compose input::placeholder {
  color: var(--text-muted);
  opacity: var(--text-muted-opacity, 0.72);
  font-size: 16px;
}

.pa-compose input:focus {
  border-color: var(--btn-border-hover, var(--btn-border, var(--glass-border)));
  background: var(--panel-glass-surface);
}

.pa-send {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border: var(--btn-border-width, 1px) solid var(--btn-border, var(--glass-border));
  border-radius: 999px;
  background: var(--btn-glass-surface, var(--btn-surface));
  color: var(--text-primary);
  font-size: 0.95rem;
  cursor: pointer;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.pa-send:hover {
  color: var(--btn-text-hover, var(--text-primary));
  border-color: var(--btn-border-hover, var(--btn-border, var(--glass-border)));
  background: var(--btn-glass-hover, var(--hover));
}

.pa-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Mobile: layout / spacing only — no color overrides */
@media (max-width: 600px) {
  .pa-root {
    z-index: 960;
  }

  .pa-panel {
    left: max(0.75rem, env(safe-area-inset-left));
    right: max(0.75rem, env(safe-area-inset-right));
    width: auto;
    bottom: calc(
      var(--mobile-shell-foot-h, 62px) + env(safe-area-inset-bottom) + 0.55rem
    );
    height: auto;
    max-height: calc(
      100dvh - max(0.75rem, env(safe-area-inset-top)) -
      var(--mobile-shell-foot-h, 62px) - env(safe-area-inset-bottom) - 1.1rem
    );
    max-height: calc(
      100svh - max(0.75rem, env(safe-area-inset-top)) -
      var(--mobile-shell-foot-h, 62px) - env(safe-area-inset-bottom) - 1.1rem
    );
    transform-origin: bottom center;
    border-radius: var(--menu-card-radius, 14px);
  }

  body:has(#projectCover[data-hero-layout="bottom-bar"]) .pa-panel {
    border-radius: 18px;
  }

  .pa-head {
    padding: 0.9rem 1rem 0.8rem;
  }

  .pa-title {
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-size: 0.72rem;
    font-weight: 550;
  }

  .pa-close {
    display: none !important;
  }

  .pa-bubble--bot,
  .pa-bubble--user {
    border-radius: var(--menu-card-radius, 14px);
  }

  .pa-wa {
    border-radius: var(--menu-card-radius, 14px);
  }

  body:has(#projectCover[data-hero-layout="bottom-bar"]) .pa-wa {
    border-radius: 999px;
  }

  .pa-compose {
    padding: 0.75rem 0.85rem;
  }

  .pa-compose input {
    border-radius: calc(var(--menu-card-radius, 14px) - 4px);
  }

  .pa-send {
    border-radius: var(--menu-card-radius, 14px);
  }

  body:has(#projectCover[data-hero-layout="bottom-bar"]) .pa-send {
    border-radius: 999px;
  }

  .pa-root.is-keyboard .pa-panel {
    top: calc(var(--pa-vv-offset, 0px) + 0.5rem);
    bottom: auto;
    height: calc(var(--pa-vv-height, 100dvh) - 1rem);
    max-height: calc(var(--pa-vv-height, 100dvh) - 1rem);
    transform: none !important;
  }

  .pa-root.is-keyboard.is-open .pa-panel,
  .pa-root.is-keyboard.is-entered .pa-panel {
    transform: none !important;
  }

  .pa-root.is-keyboard .pa-compose {
    padding-bottom: 0.75rem;
  }
}