/* PhotoSision Portal · Estilos del Chat "Escríbeme" para Familias · SPRINT-058
   Basado en Estilo D Atelier Compacto, compatible con Noche azul, Noche grafito y Día */

.portal-chat-container {
  width: 100%;
  max-width: 620px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 56px);
  position: relative;
}

/* Header superior del chat */
.portal-chat-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--ln);
  position: sticky;
  top: 56px;
  z-index: 25;
}
.portal-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--tx);
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--sf);
  border: 1px solid var(--ln);
  text-decoration: none;
  transition: all .15s;
}
.portal-back-btn:hover {
  border-color: var(--tx);
}
.portal-chat-status-pill {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
  gap: 2px;
  flex-shrink: 0;
}
.portal-chat-status-pill .status-indicator-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.portal-chat-status-pill .status-primary {
  font-size: 12px;
  font-weight: 600;
  color: var(--tx);
  line-height: 1.2;
  white-space: nowrap;
}
.portal-chat-status-pill .status-secondary {
  font-size: 10.5px;
  color: var(--t2);
  line-height: 1.2;
  white-space: nowrap;
}
.portal-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background .2s ease, box-shadow .2s ease;
}
.portal-status-dot.online {
  background: var(--ok);
  box-shadow: 0 0 5px color-mix(in srgb, var(--ok) 55%, transparent);
}
.portal-status-dot.away {
  background: var(--warn);
  box-shadow: 0 0 5px color-mix(in srgb, var(--warn) 55%, transparent);
}
.portal-status-dot.offline {
  background: var(--t2);
  opacity: 0.55;
  box-shadow: none;
}

/* Banner informativo oficial */
.portal-chat-welcome {
  margin: 4px 0 6px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--sf);
  border: 1px solid var(--ln);
  display: flex;
  gap: 10px;
  align-items: flex-start;
  flex-shrink: 0;
}
.portal-chat-welcome .ico {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--ac) 15%, var(--bg));
  border: 1px solid color-mix(in srgb, var(--ac) 45%, var(--bg));
  color: var(--accent-t);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.portal-chat-welcome h2 {
  font-family: 'Fraunces', serif;
  font-size: 15px;
  font-weight: 400;
  color: var(--tx);
  margin-bottom: 2px;
}
.portal-chat-welcome p {
  font-size: 12px;
  color: var(--t2);
  line-height: 1.4;
}

/* Nota de privacidad y seguridad */
.portal-security-note {
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--t2);
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--el);
  border: 1px solid var(--ln);
  flex-shrink: 0;
}
.portal-security-note svg {
  flex-shrink: 0;
  color: var(--warn);
}

/* Hilo de mensajes */
.portal-messages-stream {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 12px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.portal-date-divider {
  align-self: center;
  font-size: 11px;
  color: var(--t2);
  background: var(--el);
  border: 1px solid var(--ln);
  border-radius: 999px;
  padding: 3px 12px;
  margin: 6px 0;
}

/* Contenedor vertical estricto de mensajes (cero fila horizontal) */
.msg-state-normal, #state-normal-wrap {
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: 12px;
}

/* Filas de mensaje */
.pmsg-row {
  display: flex;
  flex-direction: column;
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 2px;
  animation: fadeInMsg .2s ease;
}
.pmsg-row.studio {
  align-items: flex-start;
}
.pmsg-row.family {
  align-items: flex-end;
}
.pmsg-sender-tag {
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 3px;
  padding: 0 4px;
}
.pmsg-row.studio .pmsg-sender-tag {
  color: var(--accent-t);
}
.pmsg-row.family .pmsg-sender-tag {
  color: var(--t2);
  align-self: flex-end;
}

.pmsg-bubble {
  max-width: 82%;
  width: fit-content;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 13.5px;
  line-height: 1.45;
  word-break: break-word;
  box-sizing: border-box;
}
.pmsg-row.studio .pmsg-bubble {
  background: var(--sf);
  border: 1px solid var(--ln);
  color: var(--tx);
  border-bottom-left-radius: 4px;
}
.pmsg-row.family .pmsg-bubble {
  background: color-mix(in srgb, var(--ac) 18%, var(--el));
  border: 1px solid color-mix(in srgb, var(--ac) 45%, var(--el));
  color: var(--tx);
  border-bottom-right-radius: 4px;
}

.pmsg-time {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  font-size: 10.5px;
  color: var(--t2);
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}

/* Micro-card de comprobante en la burbuja */
.pmsg-receipt-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--el);
  border: 1px solid var(--ln);
  border-radius: 10px;
  padding: 6px 10px;
  margin-bottom: 7px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--tx);
}
.pmsg-receipt-badge svg {
  color: var(--accent-t);
  flex-shrink: 0;
}
.pmsg-receipt-badge .status {
  margin-left: auto;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--warn) 16%, var(--bg));
  color: var(--warn);
}

/* Selector plegable de comprobantes */
.portal-receipt-accordion {
  margin: 0 16px 8px;
  background: var(--sf);
  border: 1px solid var(--ln);
  border-radius: 12px;
  overflow: hidden;
}
.portal-receipt-accordion summary {
  padding: 10px 14px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--tx);
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.portal-receipt-accordion summary::-webkit-details-marker { display: none; }
.portal-receipt-accordion summary svg {
  color: var(--accent-t);
  flex-shrink: 0;
}
.portal-receipt-accordion summary .badge-opt {
  margin-left: auto;
  font-size: 10.5px;
  color: var(--t2);
  background: var(--el);
  padding: 2px 7px;
  border-radius: 6px;
  border: 1px solid var(--ln);
}
.portal-receipt-options {
  padding: 4px 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-top: 1px solid var(--ln);
}
.receipt-option-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--el);
  border: 1px solid var(--ln);
  cursor: pointer;
  font-size: 12px;
  transition: all .15s;
}
.receipt-option-card:hover {
  border-color: var(--ac);
}
.receipt-option-card.selected {
  background: color-mix(in srgb, var(--ac) 12%, var(--el));
  border-color: var(--ac);
}

/* Pastilla de comprobante ya ligado */
.portal-receipt-accordion,
.portal-attached-chip {
  flex-shrink: 0;
}
.portal-attached-chip {
  margin: 0 16px 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ac) 15%, var(--bg));
  border: 1px solid color-mix(in srgb, var(--ac) 45%, var(--bg));
  color: var(--accent-t);
  font-size: 11.5px;
  font-weight: 500;
  animation: fadeInMsg .2s ease;
}
.portal-attached-chip button {
  border: none;
  background: none;
  color: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  line-height: 1;
  padding: 0 2px;
}

/* Barra de redacción fija al fondo */
.portal-composer-area {
  flex-shrink: 0;
  background: var(--bg);
  border-top: 1px solid var(--ln);
  padding: 8px 16px calc(10px + env(safe-area-inset-bottom, 0px));
  z-index: 25;
}
.portal-composer-meta {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  font-size: 10.5px;
  color: var(--t2);
  margin-bottom: 6px;
}
.portal-char-count {
  font-variant-numeric: tabular-nums;
}
.portal-char-count.warning {
  color: var(--warn);
  font-weight: 600;
}
.portal-char-count.limit {
  color: var(--err);
  font-weight: 700;
}

.portal-composer-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}
.portal-composer-textarea {
  flex: 1;
  min-height: 42px;
  max-height: 120px;
  background: var(--sf);
  border: 1px solid var(--ln);
  border-radius: 14px;
  padding: 10px 14px;
  font-size: 16px;
  color: var(--tx);
  resize: none;
  outline: none;
  line-height: 1.4;
  font-family: inherit;
  transition: border-color .2s;
}
.portal-composer-textarea:focus {
  border-color: var(--ac);
  box-shadow: 0 0 0 1px var(--ac);
}
.portal-composer-textarea::placeholder {
  color: var(--t2);
}

.portal-send-btn {
  height: 42px;
  padding: 0 16px;
  border-radius: 12px;
  background: var(--ac);
  color: var(--ink);
  font-weight: 600;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform .1s, opacity .15s;
}
.portal-send-btn:hover {
  transform: scale(1.02);
}
.portal-send-btn:active {
  transform: scale(.97);
}
.portal-send-btn:disabled {
  opacity: .4;
  cursor: not-allowed;
  transform: none;
}

/* ==========================================================================
   Pantalla fija del chat · SPRINT-058-H1 (modelo de altura único)
   Una sola variable de altura (--chat-h) gobierna html, body y .site.
   - Por defecto 100dvh (Chrome/Android la encoge con el teclado gracias al meta
     viewport interactive-widget=resizes-content).
   - js/chat-viewport.js la sobrescribe con visualViewport.height solo cuando el
     navegador NO encoge el layout (iOS Safari).
   Sin importantes (cero declaraciones forzadas): la especificidad body.in-chat (0,2,1) gana a las reglas base.
   ========================================================================== */
html.in-chat {
  --chat-h: 100dvh;
}
@supports not (height: 100dvh) {
  html.in-chat {
    --chat-h: 100vh;
  }
}

html.in-chat,
body.in-chat {
  height: var(--chat-h);
  min-height: 0;
  overflow: hidden;
  overscroll-behavior: none;
}

body.in-chat .foot {
  display: none;
}

body.in-chat .site {
  height: var(--chat-h);
  min-height: 0;
  overflow: hidden;
}

/* iOS: si Safari desplazó el viewport visual al abrir el teclado, se compensa.
   overflow: visible evita que el body (alto = --chat-h) recorte el .site desplazado,
   que dejaba el compositor sin recibir toques (QA B1). El html conserva overflow: hidden. */
body.in-chat.chat-vv-shift {
  overflow: visible;
}
body.in-chat.chat-vv-shift .site {
  transform: translateY(var(--chat-top, 0px));
}

body.in-chat .ph {
  flex: 0 0 auto;
}

/* En móvil y tablet (<900px) se oculta la cabecera general .ph en el chat para dar
   pantalla completa; la navegación queda en "Volver al inicio" de .portal-chat-nav */
@media (max-width: 899px) {
  body.in-chat .ph {
    display: none;
  }
}

body.in-chat .pm {
  flex: 1 1 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 0;
}

body.in-chat #view-mensajes:not([hidden]) {
  flex: 1 1 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

/* Anula min-height: calc(100vh - 56px) de la regla base (causa 2 del diagnóstico) */
body.in-chat .portal-chat-container {
  flex: 1 1 0;
  min-height: 0;
  height: auto;
  max-height: none;
}

body.in-chat .portal-chat-nav {
  flex: 0 0 auto;
  position: relative;
  top: 0;
}

body.in-chat .portal-messages-stream {
  flex: 1 1 0;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  touch-action: pan-y;
  padding: 10px 16px 12px;
}

body.in-chat .portal-receipt-accordion,
body.in-chat .portal-attached-chip {
  flex: 0 0 auto;
}

/* Acordeón de comprobantes abierto: lista con tope de alto y scroll interno, para que
   el compositor siga visible con muchos comprobantes y teclado abierto (QA N1) */
body.in-chat .portal-receipt-options {
  max-height: 30vh;
  max-height: 30dvh;
  overflow-y: auto;
  overscroll-behavior: contain;
}

/* Horizontal con teclado: el campo crece máximo 2 líneas para que Enviar quede a la vista (QA N3) */
@media (max-height: 500px) {
  body.in-chat .portal-composer-textarea {
    max-height: 68px;
  }
}

body.in-chat .portal-composer-area {
  flex: 0 0 auto;
  position: relative;
  padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
}