/* ==========================================================
   TUBODY — BLOQUE DE INTERACCIÓN V3
   Historia | Mensajes | Propinas
   Línea inferior de servicios con luces roja/verde.
   ========================================================== */

.model-messages-section{
  padding:46px 0 58px;
  background:#fff;
}

.model-interaction-hub{
  display:grid;
  grid-template-columns:minmax(210px,.64fr) minmax(430px,1.72fr) minmax(220px,.68fr);
  gap:1px;
  border:1px solid var(--line);
  background:var(--line);
}

.model-story-panel,
.model-tip-panel,
.model-message-column{
  min-width:0;
  background:#fff;
}

.model-story-panel,
.model-tip-panel{
  min-height:570px;
  display:flex;
  flex-direction:column;
}

.model-message-column > .section-head{
  min-height:108px;
  margin:0;
  padding:19px;
  border-bottom:1px solid var(--line);
}

.model-message-column > .section-head h2{
  font-size:2.6rem;
}

.model-message-column > .section-head p{
  max-width:360px;
}

.model-message-column .profile-message-state{
  min-height:460px;
  border:0;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:flex-start;
}

.model-message-column .profile-message-app{
  display:block;
  min-height:460px;
  background:#fff;
}

.model-message-column .profile-message-thread{
  min-height:460px;
  grid-template-rows:auto minmax(290px,1fr) auto;
}

.model-message-column .profile-message-list{
  max-height:470px;
}

.interaction-panel-head{
  min-height:108px;
  display:flex;
  justify-content:space-between;
  gap:14px;
  align-items:flex-start;
  padding:18px;
  border-bottom:1px solid var(--line);
}

.interaction-panel-head h3{
  margin:5px 0 0;
  font-size:1.22rem;
  font-weight:330;
  line-height:1.06;
  letter-spacing:-.028em;
}

.availability-light{
  flex:0 0 auto;
  width:9px;
  height:9px;
  margin-top:4px;
  border-radius:50%;
  background:#bd3030;
  box-shadow:0 0 0 4px rgba(189,48,48,.09), 0 0 12px rgba(189,48,48,.27);
}

.availability-light.is-on{
  background:#29a96f;
  box-shadow:0 0 0 4px rgba(41,169,111,.09), 0 0 12px rgba(41,169,111,.30);
}

.availability-light.is-off{
  background:#bd3030;
}

.model-story-stage{
  position:relative;
  aspect-ratio:9/13;
  overflow:hidden;
  background:linear-gradient(145deg,#123c38,#58c9c2);
}

.model-story-stage img,
.model-story-stage video{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
}

.model-story-placeholder{
  width:100%;
  height:100%;
  min-height:290px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:17px;
  color:#fff;
  background:
    linear-gradient(to top,rgba(2,18,16,.78),transparent 62%),
    linear-gradient(145deg,#123c38,#58c9c2);
}

.model-story-placeholder span{
  font-size:.78rem;
  font-weight:620;
}

.model-story-placeholder small{
  margin-top:5px;
  color:rgba(255,255,255,.62);
  font-size:.56rem;
  line-height:1.45;
}

.model-story-copy{
  flex:1;
  display:flex;
  flex-direction:column;
  padding:16px;
}

.model-story-copy p{
  margin:0;
  color:var(--ink);
  font-size:.70rem;
  line-height:1.5;
}

.model-story-copy small{
  margin-top:7px;
  color:var(--muted);
  font-size:.52rem;
}

.model-story-copy button{
  width:100%;
  min-height:38px;
  margin-top:auto;
  border:0;
  background:var(--accent);
  color:#fff;
  font-size:.51rem;
  font-weight:700;
  letter-spacing:.10em;
  text-transform:uppercase;
}

.model-tip-panel{
  padding-bottom:16px;
}

.model-tip-intro{
  margin:0;
  padding:18px 18px 12px;
  color:var(--muted);
  font-size:.68rem;
  line-height:1.52;
}

.model-tip-amounts{
  display:grid;
  grid-template-columns:1fr;
  gap:1px;
  margin:4px 18px 0;
  background:var(--line);
}

.model-tip-amounts button{
  min-height:48px;
  border:0;
  background:#fff;
  color:var(--ink);
  font-size:.70rem;
  font-weight:600;
}

.model-tip-amounts button.is-selected{
  background:var(--soft);
  outline:1px solid var(--accent);
  outline-offset:-1px;
  color:var(--accent);
}

.model-tip-amounts button:disabled{
  cursor:not-allowed;
  opacity:.40;
}

.model-tip-submit{
  min-height:43px;
  margin:18px 18px 0;
  border:0;
  background:var(--accent);
  color:#fff;
  font-size:.52rem;
  font-weight:700;
  letter-spacing:.10em;
  text-transform:uppercase;
}

.model-tip-submit:disabled{
  background:#d8dfde;
  color:#7a8b88;
}

.model-tip-status{
  min-height:34px;
  margin:10px 18px 0;
  color:var(--muted);
  font-size:.53rem;
  line-height:1.45;
}

.model-services-line{
  display:flex;
  align-items:center;
  gap:0;
  overflow-x:auto;
  margin-top:1px;
  border:1px solid var(--line);
  background:#fff;
  scrollbar-width:none;
}

.model-services-line::-webkit-scrollbar{
  display:none;
}

.model-service-status{
  flex:1 0 auto;
  min-width:122px;
  min-height:48px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:0 12px;
  border-right:1px solid var(--line);
  color:var(--muted);
  font-size:.51rem;
  font-weight:650;
  letter-spacing:.065em;
  text-transform:uppercase;
  white-space:nowrap;
}

.model-service-status:last-child{
  border-right:0;
}

.model-service-light{
  width:7px;
  height:7px;
  flex:0 0 auto;
  border-radius:50%;
  background:#bd3030;
  box-shadow:0 0 8px rgba(189,48,48,.28);
}

.model-service-status.is-active{
  color:var(--ink);
}

.model-service-status.is-active .model-service-light{
  background:#29a96f;
  box-shadow:0 0 8px rgba(41,169,111,.31);
}

@media(max-width:1120px){
  .model-interaction-hub{
    grid-template-columns:230px minmax(390px,1fr);
  }

  .model-tip-panel{
    grid-column:1 / -1;
    min-height:auto;
    display:grid;
    grid-template-columns:220px 1fr 180px;
    align-items:center;
    padding:0;
  }

  .model-tip-panel .interaction-panel-head{
    min-height:120px;
  }

  .model-tip-intro{
    padding:18px;
  }

  .model-tip-amounts{
    grid-template-columns:repeat(3,1fr);
    margin:0;
  }

  .model-tip-submit{
    margin:0 18px;
  }

  .model-tip-status{
    grid-column:2 / -1;
    margin:0 18px 14px;
  }
}

@media(max-width:780px){
  .model-interaction-hub{
    grid-template-columns:1fr;
  }

  .model-story-panel,
  .model-tip-panel{
    min-height:auto;
  }

  .model-story-panel{
    display:grid;
    grid-template-columns:165px minmax(0,1fr);
  }

  .model-story-panel .interaction-panel-head{
    grid-column:1 / -1;
  }

  .model-story-stage{
    aspect-ratio:4/5;
  }

  .model-tip-panel{
    grid-column:auto;
    display:block;
    padding-bottom:16px;
  }

  .model-tip-amounts{
    grid-template-columns:repeat(3,1fr);
    margin:4px 18px 0;
  }

  .model-tip-submit{
    width:calc(100% - 36px);
    margin:18px 18px 0;
  }

  .model-tip-status{
    margin:10px 18px 0;
  }
}

@media(max-width:520px){
  .model-story-panel{
    grid-template-columns:1fr;
  }

  .model-story-panel .interaction-panel-head{
    grid-column:auto;
  }

  .model-story-stage{
    aspect-ratio:9/10;
  }

  .model-message-column > .section-head h2{
    font-size:2rem;
  }

  .model-service-status{
    min-width:116px;
  }
}


/* ==========================================================
   TUBODY — PROPINA LIBRE COMPACTA V4
   Historia y propina a la izquierda; mensajes como protagonista.
   ========================================================== */

.model-interaction-hub{
  grid-template-columns:minmax(220px,.62fr) minmax(470px,1.82fr);
  grid-template-areas:
    "story message"
    "tip message";
  grid-template-rows:auto auto;
  align-items:stretch;
}

.model-story-panel{
  grid-area:story;
  min-height:0;
}

.model-message-column{
  grid-area:message;
}

.model-tip-panel{
  grid-area:tip;
  min-height:0;
  padding:0;
  align-self:start;
}

.model-story-stage{
  max-height:340px;
  aspect-ratio:4/5;
}

.model-story-copy{
  min-height:104px;
}

.model-tip-head{
  min-height:76px;
  padding:14px 16px;
  align-items:center;
}

.model-tip-head h3{
  font-size:1rem;
}

.model-tip-compact{
  display:grid;
  gap:10px;
  padding:14px 16px 16px;
}

.model-tip-intro{
  margin:0;
  padding:0;
  font-size:.63rem;
  line-height:1.45;
}

.model-tip-field{
  display:grid;
  gap:6px;
}

.model-tip-field > span{
  color:var(--muted);
  font-size:.48rem;
  font-weight:700;
  letter-spacing:.10em;
  text-transform:uppercase;
}

.model-tip-input{
  min-height:44px;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:8px;
  padding:0 11px;
  border:1px solid var(--line);
  background:#fff;
}

.model-tip-input:focus-within{
  border-color:var(--accent);
}

.model-tip-input strong{
  color:var(--accent);
  font-size:.82rem;
  font-weight:650;
}

.model-tip-input input{
  width:100%;
  min-width:0;
  border:0;
  outline:0;
  background:transparent;
  color:var(--ink);
  font:inherit;
  font-size:.86rem;
  font-weight:610;
  appearance:textfield;
}

.model-tip-input input::-webkit-outer-spin-button,
.model-tip-input input::-webkit-inner-spin-button{
  margin:0;
  appearance:none;
}

.model-tip-input small{
  color:var(--muted);
  font-size:.48rem;
  font-weight:700;
  letter-spacing:.08em;
}

.model-tip-input input:disabled{
  cursor:not-allowed;
  opacity:.45;
}

.model-tip-submit{
  width:100%;
  min-height:40px;
  margin:0;
}

.model-tip-status{
  min-height:16px;
  margin:0;
  font-size:.50rem;
}

.model-tip-status.is-error{
  color:#a33b4e;
}

.model-tip-status.is-success{
  color:#21815d;
}

/* El bloque completo no debe crecer por culpa de Propinas. */
.model-message-column .profile-message-thread,
.model-message-column .profile-message-state,
.model-message-column .profile-message-app{
  min-height:560px;
}

@media(max-width:1120px){
  .model-interaction-hub{
    grid-template-columns:220px minmax(420px,1fr);
    grid-template-areas:
      "story message"
      "tip message";
  }

  .model-tip-panel{
    display:flex;
  }

  .model-tip-panel .interaction-panel-head{
    min-height:76px;
  }

  .model-tip-compact{
    display:grid;
  }

  .model-tip-submit{
    margin:0;
  }

  .model-tip-status{
    grid-column:auto;
    margin:0;
  }
}

@media(max-width:780px){
  .model-interaction-hub{
    grid-template-columns:1fr;
    grid-template-areas:
      "message"
      "story"
      "tip";
  }

  .model-story-panel{
    display:grid;
    grid-template-columns:165px minmax(0,1fr);
  }

  .model-tip-panel{
    display:block;
  }

  .model-tip-compact{
    grid-template-columns:minmax(0,1fr) minmax(160px,.65fr);
    align-items:end;
  }

  .model-tip-intro{
    grid-column:1/-1;
  }

  .model-tip-field{
    grid-column:1;
  }

  .model-tip-submit{
    grid-column:2;
  }

  .model-tip-status{
    grid-column:1/-1;
  }
}

@media(max-width:520px){
  .model-tip-compact{
    grid-template-columns:1fr;
  }

  .model-tip-intro,
  .model-tip-field,
  .model-tip-submit,
  .model-tip-status{
    grid-column:auto;
  }
}