/* ============================================================================
   ONCOVET IA — App multi-usuario (SPA full-page)
   Layout híbrido: ChatGPT + marca Chemovet.
   Sin dependencias externas (fuente Hanken Grotesk inline via @import).
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@400;500;600;700;800&display=swap');

/* ------------------------------------------------------------------ tokens */
:root {
  /* Paleta de marca Chemovet */
  --ov-naranja:        #F36114;
  --ov-verde:          #094D28;
  --ov-azul:           #052057;
  --ov-morado:         #5A1676;
  --ov-verde-acento:   #0E7045;
  --ov-blanco:         #FFFFFF;

  /* Tints derivados */
  --ov-naranja-soft:   rgba(243, 97, 20, 0.10);
  --ov-naranja-mid:    rgba(243, 97, 20, 0.18);
  --ov-naranja-dark:   #C94E0C;
  --ov-verde-soft:     rgba(9, 77, 40, 0.08);
  --ov-verde-mid:      rgba(9, 77, 40, 0.16);
  --ov-azul-soft:      rgba(5, 32, 87, 0.07);
  --ov-azul-mid:       rgba(5, 32, 87, 0.14);
  --ov-azul-light:     #EEF2FA;
  --ov-morado-soft:    rgba(90, 22, 118, 0.08);
  --ov-morado-mid:     rgba(90, 22, 118, 0.16);
  --ov-morado-light:   #F3ECF8;

  /* Superficies */
  --ov-bg:             #F4F7F9;
  --ov-surface:        #FFFFFF;
  --ov-surface-2:      #EDF1F5;

  /* Sidebar */
  --ov-sidebar-bg:     #1A1F2E;
  --ov-sidebar-hover:  rgba(255,255,255,0.07);
  --ov-sidebar-active: rgba(243, 97, 20, 0.16);
  --ov-sidebar-text:   rgba(255,255,255,0.85);
  --ov-sidebar-faint:  rgba(255,255,255,0.45);
  --ov-sidebar-border: rgba(255,255,255,0.08);
  --ov-sidebar-width:  260px;

  /* Texto */
  --ov-text:           #0F1C2E;
  --ov-text-soft:      #3D5166;
  --ov-text-faint:     #7B90A4;

  /* Bordes */
  --ov-border:         #D4DCE6;
  --ov-border-soft:    #E8EDF3;

  /* Estados */
  --ov-warn:           #8C5000;
  --ov-warn-soft:      #FEF3E2;
  --ov-warn-border:    #F0D08A;
  --ov-danger:         #A8200D;
  --ov-danger-soft:    #FDECEA;
  --ov-danger-border:  #F5B8B2;

  /* Sombras */
  --ov-shadow-sm:      0 1px 3px rgba(5,32,87,0.07), 0 1px 2px rgba(5,32,87,0.05);
  --ov-shadow:         0 2px 8px rgba(5,32,87,0.08), 0 4px 20px rgba(5,32,87,0.06);
  --ov-shadow-lg:      0 8px 32px rgba(5,32,87,0.14), 0 2px 8px rgba(5,32,87,0.08);

  /* Geometría */
  --ov-radius:         14px;
  --ov-radius-sm:      10px;
  --ov-radius-xs:      6px;
  --ov-radius-pill:    999px;

  /* Tipografía */
  --ov-font:           "Hanken Grotesk", -apple-system, BlinkMacSystemFont,
                       "Segoe UI", "Noto Sans", sans-serif;
  --ov-font-display:   "Hanken Grotesk", "Segoe UI", sans-serif;

  /* Header */
  --ov-header-h:       60px;
}

/* ------------------------------------------------------------------ reset */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--ov-font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ov-text);
  background: var(--ov-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ------------------------------------------------------------------ scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--ov-border); border-radius: var(--ov-radius-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--ov-text-faint); }

/* ================================================================== PANTALLA DE LOGIN */
#ov-login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background:
    radial-gradient(120% 80% at 0% 0%,    rgba(9,77,40,0.07)  0%, transparent 55%),
    radial-gradient(120% 90% at 100% 0%,  rgba(5,32,87,0.06)  0%, transparent 50%),
    radial-gradient(120% 90% at 100% 100%, rgba(243,97,20,0.05) 0%, transparent 55%),
    var(--ov-bg);
  animation: ov-fade-in 0.35s ease-out;
}

.ov-login-card {
  width: 100%;
  max-width: 400px;
  background: var(--ov-surface);
  border-radius: var(--ov-radius);
  box-shadow: var(--ov-shadow-lg);
  border: 1px solid var(--ov-border-soft);
  overflow: hidden;
  animation: ov-rise 0.45s cubic-bezier(0.22,1,0.36,1) both;
}

.ov-login-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 32px 32px 24px;
  background: linear-gradient(135deg, var(--ov-verde) 0%, var(--ov-verde-acento) 100%);
  position: relative;
  overflow: hidden;
}

/* línea naranja decorativa */
.ov-login-header::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ov-naranja), rgba(243,97,20,0.4));
}

/* brillo warm */
.ov-login-header::before {
  content: "";
  position: absolute;
  top: -60%; right: -15%;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(243,97,20,0.22) 0%, transparent 70%);
  pointer-events: none;
}

.ov-login-logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  border-radius: 14px;
  background: rgba(255,255,255,0.15);
  border: 1.5px solid rgba(255,255,255,0.25);
  padding: 6px;
  position: relative; z-index: 1;
}

.ov-login-title {
  margin: 0;
  font-family: var(--ov-font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--ov-blanco);
  letter-spacing: 0.3px;
  position: relative; z-index: 1;
}

.ov-login-subtitle {
  margin: 0;
  font-size: 12px;
  color: rgba(255,255,255,0.72);
  position: relative; z-index: 1;
}

.ov-login-body {
  padding: 28px 32px 32px;
}

.ov-login-mode-label {
  text-align: center;
  font-size: 15px;
  font-weight: 700;
  color: var(--ov-verde);
  margin-bottom: 20px;
}

/* form fields */
.ov-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 14px;
}

.ov-field label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ov-verde);
  letter-spacing: 0.2px;
}

.ov-field input {
  font-family: inherit;
  font-size: 14.5px;
  padding: 11px 14px;
  border: 1.5px solid var(--ov-border);
  border-radius: var(--ov-radius-sm);
  background: var(--ov-bg);
  color: var(--ov-text);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  width: 100%;
}

.ov-field input:focus {
  border-color: var(--ov-verde-acento);
  box-shadow: 0 0 0 3px var(--ov-verde-soft);
  background: var(--ov-surface);
}

.ov-field input::placeholder { color: var(--ov-text-faint); }

/* error / ok inline */
.ov-form-error {
  color: var(--ov-danger);
  font-size: 13px;
  font-weight: 600;
  min-height: 18px;
  margin-top: 2px;
}

.ov-form-ok {
  color: var(--ov-verde-acento);
  font-size: 13px;
  font-weight: 700;
}

/* botón primario login */
.ov-login-btn {
  display: block;
  width: 100%;
  padding: 13px;
  margin-top: 20px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  color: var(--ov-blanco);
  background: linear-gradient(135deg, var(--ov-naranja) 0%, var(--ov-naranja-dark) 100%);
  border: none;
  border-radius: var(--ov-radius-sm);
  cursor: pointer;
  transition: filter 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 2px 10px rgba(243,97,20,0.30);
}
.ov-login-btn:hover:not(:disabled) {
  filter: brightness(1.06);
  box-shadow: 0 4px 16px rgba(243,97,20,0.38);
}
.ov-login-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.ov-login-btn:active:not(:disabled) { filter: brightness(0.96); }

/* toggle modo */
.ov-login-toggle {
  text-align: center;
  margin-top: 18px;
  font-size: 13.5px;
  color: var(--ov-text-soft);
}

.ov-login-toggle a {
  color: var(--ov-verde-acento);
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  border-bottom: 1px dotted var(--ov-verde-acento);
  transition: color 0.15s ease;
}
.ov-login-toggle a:hover { color: var(--ov-verde); }

/* ================================================================== APP SHELL */
#ov-app {
  display: none;  /* se muestra con JS */
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

#ov-app.ov-visible {
  display: flex;
}

/* ------------------------------------------------------------------ header de la app */
.ov-app-header {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 18px;
  height: var(--ov-header-h);
  background: linear-gradient(135deg, var(--ov-verde) 0%, var(--ov-verde-acento) 100%);
  color: var(--ov-blanco);
  box-shadow: 0 2px 12px rgba(9,77,40,0.28);
  position: relative;
  z-index: 20;
  overflow: hidden;
}

/* brillo naranja en header */
.ov-app-header::before {
  content: "";
  position: absolute;
  top: -60%; right: -5%;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(243,97,20,0.26) 0%, transparent 70%);
  pointer-events: none;
}

/* línea naranja inferior */
.ov-app-header::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ov-naranja), rgba(243,97,20,0.4));
}

/* botón ☰ (solo móvil) */
.ov-app-header__menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border: none;
  background: rgba(255,255,255,0.12);
  border-radius: var(--ov-radius-xs);
  color: var(--ov-blanco);
  font-size: 18px;
  cursor: pointer;
  position: relative; z-index: 1;
  transition: background 0.15s ease;
  flex: 0 0 auto;
}
.ov-app-header__menu-btn:hover { background: rgba(255,255,255,0.20); }

/* logo en header app */
.ov-app-header__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 36px; height: 36px;
  border-radius: 9px;
  background: #ffffff;
  padding: 4px;
  box-sizing: border-box;
  overflow: hidden;
  position: relative; z-index: 1;
}
.ov-app-header__logo img { width: 100%; height: 100%; object-fit: contain; display: block; }

/* título app */
.ov-app-header__title {
  font-family: var(--ov-font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.2px;
  color: var(--ov-blanco);
  white-space: nowrap;
  position: relative; z-index: 1;
}

/* menú de cuenta (empujado a la derecha; el buscador del header se eliminó) */
.ov-account-menu {
  position: relative;
  margin-left: auto;
  z-index: 1;
}

.ov-account-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 13px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--ov-blanco);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.20);
  border-radius: var(--ov-radius-pill);
  cursor: pointer;
  transition: background 0.15s ease;
  white-space: nowrap;
  max-width: 260px;
  overflow: hidden;
}
.ov-account-btn:hover { background: rgba(255,255,255,0.20); }

.ov-account-btn__email {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ov-account-btn__caret { flex: 0 0 auto; font-size: 10px; opacity: 0.75; }

/* dropdown menú de cuenta */
.ov-account-dropdown {
  position: fixed;        /* fixed: escapa del overflow:hidden del header (top/right se setean por JS) */
  min-width: 220px;
  background: var(--ov-surface);
  border: 1px solid var(--ov-border);
  border-radius: var(--ov-radius-sm);
  box-shadow: var(--ov-shadow-lg);
  overflow: hidden;
  z-index: 200;
  animation: ov-rise 0.18s cubic-bezier(0.22,1,0.36,1) both;
}
.ov-account-dropdown[hidden] { display: none; }

.ov-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 16px;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ov-text);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background 0.12s ease;
}
.ov-dropdown-item:hover { background: var(--ov-azul-soft); color: var(--ov-azul); }
.ov-dropdown-item.ov-danger:hover { background: var(--ov-danger-soft); color: var(--ov-danger); }
.ov-dropdown-item__ico { font-size: 15px; flex: 0 0 auto; }

.ov-dropdown-sep {
  height: 1px;
  background: var(--ov-border);
  margin: 4px 0;
}

/* ------------------------------------------------------------------ layout principal */
.ov-app-body {
  flex: 1 1 auto;
  display: flex;
  overflow: hidden;
}

/* ================================================================== SIDEBAR */
.ov-sidebar {
  flex: 0 0 var(--ov-sidebar-width);
  width: var(--ov-sidebar-width);
  background: var(--ov-sidebar-bg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid rgba(255,255,255,0.05);
  transition: transform 0.25s cubic-bezier(0.22,1,0.36,1);
}

/* ---- nueva conversación ---- */
.ov-sidebar-new {
  flex: 0 0 auto;
  padding: 14px 12px 10px;
  border-bottom: 1px solid var(--ov-sidebar-border);
}

.ov-new-conv-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px 16px;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ov-blanco);
  background: linear-gradient(135deg, var(--ov-naranja) 0%, var(--ov-naranja-dark) 100%);
  border: none;
  border-radius: var(--ov-radius-sm);
  cursor: pointer;
  transition: filter 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 2px 8px rgba(243,97,20,0.30);
}
.ov-new-conv-btn:hover { filter: brightness(1.07); box-shadow: 0 4px 12px rgba(243,97,20,0.38); }
.ov-new-conv-btn:active { filter: brightness(0.96); }
.ov-new-conv-btn__ico { font-size: 15px; }

/* ---- búsqueda en sidebar ---- */
.ov-sidebar-search {
  flex: 0 0 auto;
  padding: 10px 12px;
  border-bottom: 1px solid var(--ov-sidebar-border);
}

.ov-sidebar-search input {
  width: 100%;
  padding: 8px 12px 8px 32px;
  font-family: inherit;
  font-size: 13px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--ov-radius-sm);
  color: var(--ov-blanco);
  outline: none;
  transition: background 0.15s ease, border-color 0.15s ease;
  position: relative;
}
.ov-sidebar-search input::placeholder { color: var(--ov-sidebar-faint); }
.ov-sidebar-search input:focus {
  background: rgba(255,255,255,0.11);
  border-color: rgba(243,97,20,0.50);
}

.ov-sidebar-search-wrap {
  position: relative;
}
.ov-sidebar-search-ico {
  position: absolute;
  left: 10px; top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--ov-sidebar-faint);
  pointer-events: none;
}

/* ---- lista de conversaciones ---- */
.ov-conv-list {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 6px 8px;
}

.ov-conv-list-label {
  padding: 8px 8px 4px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--ov-sidebar-faint);
}

/* item de conversación */
.ov-conv-item {
  display: flex;
  align-items: center;
  gap: 0;
  border-radius: var(--ov-radius-xs);
  margin-bottom: 2px;
  cursor: pointer;
  transition: background 0.12s ease;
  position: relative;
}
.ov-conv-item:hover { background: var(--ov-sidebar-hover); }
.ov-conv-item:hover .ov-conv-item__menu-btn { opacity: 1; }
.ov-conv-item.active { background: var(--ov-sidebar-active); }

/* barra naranja izquierda = activa */
.ov-conv-item.active::before {
  content: "";
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--ov-naranja);
}

.ov-conv-item__title {
  flex: 1 1 auto;
  padding: 9px 10px 9px 12px;
  font-size: 13.5px;
  color: var(--ov-sidebar-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.ov-conv-item.active .ov-conv-item__title { color: #fff; font-weight: 600; }

/* botón menú ⋯ */
.ov-conv-item__menu-btn {
  flex: 0 0 auto;
  width: 28px; height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--ov-sidebar-faint);
  font-size: 16px;
  cursor: pointer;
  border-radius: var(--ov-radius-xs);
  opacity: 0;
  transition: opacity 0.12s ease, background 0.12s ease;
  margin-right: 4px;
  flex-shrink: 0;
}
.ov-conv-item__menu-btn:hover { background: rgba(255,255,255,0.10); color: var(--ov-blanco); }
.ov-conv-item.active .ov-conv-item__menu-btn { opacity: 0.7; }
.ov-conv-item.active .ov-conv-item__menu-btn:hover { opacity: 1; }

/* menú contextual (renombrar/borrar) */
.ov-conv-ctx-menu {
  position: fixed;
  z-index: 300;
  min-width: 160px;
  background: var(--ov-surface);
  border: 1px solid var(--ov-border);
  border-radius: var(--ov-radius-sm);
  box-shadow: var(--ov-shadow-lg);
  overflow: hidden;
  animation: ov-rise 0.15s cubic-bezier(0.22,1,0.36,1) both;
}
.ov-conv-ctx-menu[hidden] { display: none; }

.ov-ctx-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ov-text);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background 0.12s ease;
}
.ov-ctx-item:hover { background: var(--ov-azul-soft); }
.ov-ctx-item.ov-danger { color: var(--ov-danger); }
.ov-ctx-item.ov-danger:hover { background: var(--ov-danger-soft); }

/* estado vacío del sidebar */
.ov-conv-empty {
  text-align: center;
  padding: 28px 16px;
  color: var(--ov-sidebar-faint);
  font-size: 13px;
  line-height: 1.55;
}

/* ================================================================== PANEL DE CHAT */
.ov-chat-panel {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 0% 0%,    rgba(9,77,40,0.04)  0%, transparent 55%),
    radial-gradient(120% 90% at 100% 100%, rgba(243,97,20,0.03) 0%, transparent 55%),
    var(--ov-bg);
}

/* ---- área de mensajes ---- */
.ov-chat-messages {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  scroll-behavior: smooth;
}

/* ---- estado vacío del chat ---- */
.ov-chat-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1 1 auto;
  text-align: center;
  padding: 20px;
  animation: ov-rise 0.5s cubic-bezier(0.22,1,0.36,1) both;
}

.ov-chat-empty__logo {
  width: 72px; height: 72px;
  object-fit: contain;
  border-radius: 18px;
  background: var(--ov-surface);
  border: 1px solid var(--ov-border);
  box-shadow: var(--ov-shadow);
  padding: 8px;
  margin-bottom: 18px;
}

.ov-chat-empty__title {
  margin: 0 0 10px;
  font-family: var(--ov-font-display);
  font-size: 24px;
  font-weight: 800;
  background: linear-gradient(120deg, var(--ov-verde) 0%, var(--ov-azul) 60%, var(--ov-morado) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--ov-verde);
}

.ov-chat-empty__sub {
  max-width: 400px;
  font-size: 14px;
  color: var(--ov-text-soft);
  line-height: 1.55;
  margin-bottom: 28px;
}

.ov-chat-empty__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--ov-text-faint);
  margin-bottom: 12px;
}

.ov-starters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: 100%;
  max-width: 500px;
}

.ov-starter {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 14px;
  text-align: left;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.4;
  color: var(--ov-text);
  background: var(--ov-surface);
  border: 1px solid var(--ov-border);
  border-radius: var(--ov-radius);
  box-shadow: var(--ov-shadow-sm);
  cursor: pointer;
  transition: transform 0.14s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}
.ov-starter:hover {
  transform: translateY(-2px);
  box-shadow: var(--ov-shadow);
  border-color: var(--ov-naranja-mid);
}
.ov-starter:active { transform: translateY(0); }
.ov-starter__ico { font-size: 17px; flex: 0 0 auto; line-height: 1.3; }
.ov-starter__q { flex: 1 1 auto; }

/* ================================================================== MENSAJES */
.ov-msg {
  display: flex;
  flex-direction: column;
  max-width: 84%;
  animation: ov-fade-in 0.22s ease-out;
}

@keyframes ov-fade-in {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes ov-msg-in-user {
  from { opacity: 0; transform: translateY(8px) translateX(10px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) translateX(0) scale(1); }
}

@keyframes ov-msg-in-bot {
  from { opacity: 0; transform: translateY(8px) translateX(-10px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) translateX(0) scale(1); }
}

.ov-msg--user {
  align-self: flex-end;
  align-items: flex-end;
  animation: ov-msg-in-user 0.32s cubic-bezier(0.22,1,0.36,1) both;
}
.ov-msg--bot {
  align-self: flex-start;
  align-items: flex-start;
  animation: ov-msg-in-bot 0.32s cubic-bezier(0.22,1,0.36,1) both;
}

/* Avatar de ONCOVET IA: los mensajes del asistente van en fila [avatar][contenido]. Solo
   aplica a --agent (respuesta, "pensando" y loader); el mensaje de error "Sistema" queda columna. */
.ov-msg--agent {
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
}
.ov-msg--agent .ov-msg__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0; /* deja que la burbuja wrappee dentro del flex; el max-width:84% acota la fila */
}
.ov-msg__avatar {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border-radius: 50%;
  object-fit: contain;
  background: var(--ov-blanco); /* fondo por si el PNG tuviera transparencia */
  border: 1px solid var(--ov-border);
  box-shadow: var(--ov-shadow-sm);
}

.ov-msg__role {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--ov-text-faint);
  margin: 0 4px 5px;
}

/* burbujas */
.ov-bubble {
  padding: 12px 16px;
  border-radius: var(--ov-radius);
  word-wrap: break-word;
  overflow-wrap: anywhere;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.ov-msg--user .ov-bubble {
  background: linear-gradient(135deg, var(--ov-naranja) 0%, var(--ov-naranja-dark) 100%);
  color: var(--ov-blanco);
  border-bottom-right-radius: 4px;
  box-shadow: 0 2px 10px rgba(243,97,20,0.28), var(--ov-shadow-sm);
}
.ov-msg--user .ov-bubble:hover {
  box-shadow: 0 4px 16px rgba(243,97,20,0.38), var(--ov-shadow-sm);
  transform: translateY(-1px);
}

.ov-msg--bot .ov-bubble {
  background: var(--ov-surface);
  color: var(--ov-text);
  border: 1px solid var(--ov-border);
  border-bottom-left-radius: 4px;
  box-shadow: var(--ov-shadow-sm);
}
.ov-msg--bot .ov-bubble:hover {
  box-shadow: var(--ov-shadow);
  transform: translateY(-1px);
}

/* ---- markdown renderizado ---- */
.ov-md > *:first-child { margin-top: 0; }
.ov-md > *:last-child  { margin-bottom: 0; }
.ov-md p { margin: 0 0 8px; }
.ov-md h3, .ov-md h4 {
  margin: 14px 0 6px;
  font-family: var(--ov-font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ov-verde);
  padding-left: 9px;
  border-left: 3px solid var(--ov-naranja);
}
.ov-md h3 { font-size: 15.5px; }
.ov-md h4 { font-size: 14px; color: var(--ov-azul); }
.ov-md > h3:first-child, .ov-md > h4:first-child { margin-top: 0; }
.ov-md ul, .ov-md ol { margin: 0 0 8px; padding-left: 20px; }
.ov-md li { margin: 3px 0; }
.ov-md strong { font-weight: 700; }
.ov-md em { font-style: italic; }
.ov-md code {
  background: var(--ov-surface-2);
  border: 1px solid var(--ov-border);
  border-radius: var(--ov-radius-xs);
  padding: 1px 6px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.88em;
}
.ov-md table {
  border-collapse: collapse;
  margin: 8px 0;
  width: 100%;
  font-size: 13px;
  border-radius: var(--ov-radius-xs);
  overflow: hidden;
}
.ov-md th, .ov-md td {
  border: 1px solid var(--ov-border);
  padding: 6px 10px;
  text-align: left;
}
.ov-md th {
  background: var(--ov-verde-soft);
  color: var(--ov-verde);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.2px;
}
.ov-md tr:nth-child(even) td { background: var(--ov-azul-soft); }

/* cita inline linkificada */
.ov-inline-cita {
  color: var(--ov-verde-acento);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 1px dotted var(--ov-verde-acento);
  transition: color 0.15s ease, border-color 0.15s ease;
}
.ov-inline-cita::after { content: "\2197"; font-size: 0.82em; margin-left: 1px; vertical-align: 1px; }
.ov-inline-cita:hover { color: var(--ov-verde); border-bottom-style: solid; }

/* cita inline estilo académico: superíndice numerado (N) */
.ov-cita-num {
  font-size: 0.72em;
  color: var(--ov-verde-acento);
  font-weight: 600;
  cursor: pointer;
}
.ov-cita-num a {
  color: var(--ov-verde-acento);
  text-decoration: none;
}
.ov-cita-num a:hover { color: var(--ov-verde); text-decoration: underline; }

/* lista de referencias académicas (solo fuentes citadas) */
.ov-referencias {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--ov-border);
  font-size: 12.5px;
}
.ov-ref-item { line-height: 1.5; }
.ov-ref-num { font-weight: 700; }
.ov-ref-page { color: var(--ov-text-soft, inherit); }
.ov-ref-link {
  color: var(--ov-verde-acento);
  font-weight: 600;
  text-decoration: none;
}
.ov-ref-link:hover { color: var(--ov-verde); text-decoration: underline; }

/* chips de fuentes RAG */
.ov-fuentes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--ov-border);
}

.ov-fuente-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 11px;
  border-radius: var(--ov-radius-pill);
  background: var(--ov-verde-soft);
  color: var(--ov-verde-acento);
  border: 1px solid var(--ov-verde-mid);
  font-size: 11.5px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 220px;
  transition: background 0.15s ease, box-shadow 0.15s ease;
}
.ov-fuente-chip:hover { background: var(--ov-verde-mid); box-shadow: 0 2px 6px var(--ov-verde-soft); }
.ov-fuente-chip::before { content: "\1F4C4"; font-size: 11px; }
.ov-fuente-chip::after  { content: "\2197"; font-size: 11px; }

/* card de dosis: el cálculo arriba, la conclusión "La dosis debe ser:" abajo */
.ov-dose-card {
  margin-top: 12px;
  border: 1px solid var(--ov-naranja-mid);
  border-radius: var(--ov-radius-sm);
  background: var(--ov-surface);
  box-shadow: var(--ov-shadow-sm);
  overflow: hidden;
}
.ov-dose-card__head {
  padding: 9px 14px;
  background: var(--ov-naranja-soft);
  border-bottom: 1px solid var(--ov-naranja-mid);
  font-weight: 700;
  font-size: 13px;
  color: var(--ov-verde);
}
.ov-dose-card__calc { padding: 8px 14px; }
.ov-dose-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 3px 0;
  font-size: 13px;
}
.ov-dose-row__label { color: var(--ov-text-faint); }
.ov-dose-row__value { color: var(--ov-text); font-weight: 600; text-align: right; }
.ov-dose-card__warn {
  margin: 0 14px 8px;
  padding: 6px 10px;
  background: var(--ov-warn-soft);
  border: 1px solid var(--ov-warn-border);
  border-radius: var(--ov-radius-xs);
  color: var(--ov-warn);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.35;
}
.ov-dose-card__result {
  padding: 10px 14px;
  background: var(--ov-verde-soft);
  border-top: 1px solid var(--ov-verde-mid);
}
.ov-dose-result__label {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ov-verde-acento);
}
.ov-dose-result__value {
  font-size: 20px;
  font-weight: 800;
  color: var(--ov-verde);
  margin-top: 2px;
}
.ov-dose-result__detail {
  font-size: 12.5px;
  color: var(--ov-text-soft);
  margin-top: 2px;
}

/* ---- typing indicator ---- */
.ov-typing {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 14px 18px;
  background: var(--ov-surface);
  border: 1px solid var(--ov-border);
  border-radius: var(--ov-radius);
  border-bottom-left-radius: 4px;
  box-shadow: var(--ov-shadow-sm);
  animation: ov-msg-in-bot 0.30s cubic-bezier(0.22,1,0.36,1) both;
}
.ov-typing span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ov-verde-acento);
  animation: ov-bounce 1.2s infinite ease-in-out;
}
.ov-typing span:nth-child(2) { animation-delay: 0.18s; }
.ov-typing span:nth-child(3) { animation-delay: 0.36s; }

@keyframes ov-bounce {
  0%, 80%, 100% { transform: scale(0.55); opacity: 0.35; }
  40%            { transform: scale(1.00); opacity: 1; }
}

/* ---- composer ---- */
.ov-composer {
  flex: 0 0 auto;
  border-top: 1px solid var(--ov-border);
  background: var(--ov-surface);
  padding: 14px 20px 16px;
  box-shadow: 0 -2px 12px rgba(5,32,87,0.05);
}

.ov-composer__row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.ov-composer__hint {
  font-size: 11px;
  color: var(--ov-text-faint);
  margin-top: 8px;
}

/* textarea del chat */
.ov-chat-input {
  flex: 1 1 auto;
  resize: none;
  max-height: 140px;
  min-height: 46px;
  padding: 12px 15px;
  border: 1.5px solid var(--ov-border);
  border-radius: var(--ov-radius-sm);
  background: var(--ov-bg);
  color: var(--ov-text);
  font-family: inherit;
  font-size: 14.5px;
  line-height: 1.45;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.ov-chat-input::placeholder { color: var(--ov-text-faint); }
.ov-chat-input:focus {
  border-color: var(--ov-naranja);
  box-shadow: 0 0 0 3px var(--ov-naranja-soft), inset 0 1px 2px rgba(5,32,87,0.04);
  background: var(--ov-surface);
}
.ov-chat-input:disabled {
  background: var(--ov-surface-2);
  color: var(--ov-text-faint);
  cursor: not-allowed;
  opacity: 0.7;
}

/* botón enviar */
.ov-send-btn {
  flex: 0 0 auto;
  height: 46px;
  padding: 0 22px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  color: var(--ov-blanco);
  background: linear-gradient(135deg, var(--ov-naranja) 0%, var(--ov-naranja-dark) 100%);
  border: none;
  border-radius: var(--ov-radius-sm);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(243,97,20,0.30);
  transition: filter 0.15s ease, box-shadow 0.15s ease, transform 0.10s ease;
}
.ov-send-btn:hover:not(:disabled) {
  filter: brightness(1.06);
  box-shadow: 0 4px 14px rgba(243,97,20,0.38);
}
.ov-send-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.ov-send-btn:active:not(:disabled) { transform: translateY(1px); }
.ov-send-btn:focus-visible {
  outline: 2.5px solid var(--ov-naranja);
  outline-offset: 2px;
}

/* ================================================================== MODALES */
.ov-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(5,20,50,0.58);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: ov-fade-in 0.18s ease-out;
}
.ov-modal-overlay[hidden] { display: none; }

.ov-modal-card {
  background: var(--ov-surface);
  border-radius: var(--ov-radius);
  box-shadow: var(--ov-shadow-lg);
  width: 100%;
  max-width: 440px;
  border: 1px solid var(--ov-border-soft);
  overflow: hidden;
  animation: ov-rise 0.25s cubic-bezier(0.22,1,0.36,1) both;
}

.ov-modal-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--ov-border);
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(to right, var(--ov-verde-soft), transparent);
}
.ov-modal-header h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--ov-verde);
}

.ov-modal-body {
  padding: 20px 22px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ov-text-soft);
}
.ov-modal-body .ov-field { margin-bottom: 14px; }
.ov-modal-body .ov-field:last-child { margin-bottom: 0; }

.ov-modal-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--ov-border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background: var(--ov-surface-2);
}

/* botones base */
.ov-btn {
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 700;
  padding: 9px 20px;
  border-radius: var(--ov-radius-sm);
  cursor: pointer;
  border: none;
  transition: filter 0.15s ease, background 0.15s ease, transform 0.10s ease;
}
.ov-btn:active:not(:disabled) { transform: translateY(1px); }
.ov-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.ov-btn:focus-visible { outline: 2.5px solid var(--ov-naranja); outline-offset: 2px; }

.ov-btn--primary {
  color: var(--ov-blanco);
  background: linear-gradient(135deg, var(--ov-naranja) 0%, var(--ov-naranja-dark) 100%);
  box-shadow: 0 2px 8px rgba(243,97,20,0.25);
}
.ov-btn--primary:hover:not(:disabled) { filter: brightness(1.06); }

.ov-btn--danger {
  color: var(--ov-blanco);
  background: var(--ov-danger);
}
.ov-btn--danger:hover:not(:disabled) { filter: brightness(1.08); }

.ov-btn--ghost {
  color: var(--ov-text-soft);
  background: transparent;
  border: 1.5px solid var(--ov-border);
}
.ov-btn--ghost:hover:not(:disabled) { background: var(--ov-surface-2); border-color: var(--ov-text-faint); }

/* spinner */
.ov-spinner {
  width: 15px; height: 15px;
  border: 2.5px solid rgba(255,255,255,0.35);
  border-top-color: var(--ov-blanco);
  border-radius: 50%;
  animation: ov-spin 0.65s linear infinite;
  display: inline-block;
  vertical-align: middle;
}
@keyframes ov-spin { to { transform: rotate(360deg); } }

/* aviso importante dosis */
.ov-dose-warning {
  margin-top: 10px;
  padding: 9px 12px;
  background: var(--ov-morado-light);
  border: 1px solid var(--ov-morado-mid);
  border-radius: var(--ov-radius-xs);
  font-size: 12px;
  color: var(--ov-morado);
  font-weight: 600;
  line-height: 1.4;
}

/* ================================================================== ANIMACIONES */
@keyframes ov-rise {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ================================================================== RESPONSIVE */
@media (max-width: 768px) {
  :root { --ov-sidebar-width: 80vw; }

  .ov-app-header__menu-btn { display: flex; }

  .ov-sidebar {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    z-index: 100;
    transform: translateX(-100%);
    box-shadow: 4px 0 24px rgba(0,0,0,0.28);
  }
  .ov-sidebar.open {
    transform: translateX(0);
  }

  /* overlay oscuro detrás del sidebar en mobile */
  .ov-sidebar-overlay {
    position: fixed;
    inset: 0;
    z-index: 99;
    background: rgba(5,20,50,0.45);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    animation: ov-fade-in 0.20s ease-out;
  }
  .ov-sidebar-overlay[hidden] { display: none; }

  .ov-chat-messages { padding: 16px 14px; }
  .ov-composer { padding: 10px 14px 12px; }
  .ov-msg { max-width: 92%; }
  .ov-starters { grid-template-columns: 1fr; }
  .ov-account-btn__email { max-width: 100px; }
}

/* Caret de la máquina de escribir (letra por letra). La clase ov-caret-host la mueve el JS al
   elemento en curso; ::after dibuja el cursor al final de su contenido revelado. Hereda el color
   del texto. En reduced-motion el tipeo se saltea en JS, así que este caret no llega a aparecer. */
.ov-caret-host::after {
  content: "▌";
  animation: ov-caret-blink 1s step-end infinite;
}
@keyframes ov-caret-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* reduce-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* ================================================================== MODO INVITADO */

/* Ocultar sidebar y botón "Nueva conversación" en modo guest */
.ov-guest .ov-sidebar           { display: none; }
.ov-guest .ov-sidebar-overlay   { display: none !important; }

/* Banner CTA invitado */
.ov-guest-banner {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 9px 20px;
  background: linear-gradient(135deg, var(--ov-verde) 0%, var(--ov-verde-acento) 100%);
  color: var(--ov-blanco);
  font-size: 13.5px;
  font-weight: 600;
  position: relative;
  z-index: 15;
  border-bottom: 2px solid var(--ov-naranja);
  flex-wrap: wrap;
}

.ov-guest-banner__text {
  opacity: 0.92;
}

/* Botón secundario "Nueva consulta" (ghost sobre el banner verde) */
.ov-guest-banner__new {
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 14px;
  flex: 0 0 auto;
  white-space: nowrap;
  color: var(--ov-blanco);
  background: rgba(255, 255, 255, 0.14);
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  border-radius: var(--ov-radius-sm);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.ov-guest-banner__new:hover {
  background: rgba(255, 255, 255, 0.26);
  border-color: var(--ov-blanco);
}
.ov-guest-banner__new:active {
  filter: brightness(0.95);
}

.ov-guest-banner .ov-btn--primary {
  font-size: 12.5px;
  padding: 6px 16px;
  flex: 0 0 auto;
  white-space: nowrap;
}

/* Separador "o" en la pantalla de login */
.ov-login-sep {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0 14px;
  color: var(--ov-text-faint);
  font-size: 12.5px;
}
.ov-login-sep::before,
.ov-login-sep::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--ov-border);
}

/* Botón invitado (secundario, debajo del separador) */
.ov-login-guest-btn {
  display: block;
  width: 100%;
  padding: 11px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--ov-verde);
  background: transparent;
  border: 1.5px solid var(--ov-verde);
  border-radius: var(--ov-radius-sm);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  margin-top: 2px;
}
.ov-login-guest-btn:hover {
  background: var(--ov-verde-soft);
  color: var(--ov-verde-acento);
}
.ov-login-guest-btn:active {
  filter: brightness(0.95);
}

/* responsive: en mobile el banner puede wrappear */
@media (max-width: 480px) {
  .ov-guest-banner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* ================================================================== MODO EMBED */
/* ?embed=1 (iframe en chemovet.org): el sitio ya aporta su header/branding, así que ocultamos
   el header propio de la app. #ov-app es flex-column y .ov-app-body es flex:1, por lo que el
   chat toma automáticamente todo el alto del iframe. El banner de invitado se mantiene.
   Se acota a .ov-guest (la audiencia real del embed público): el invitado NUNCA tiene sidebar
   ni menú de cuenta (ya ocultos para .ov-guest), así que no pierde nada funcional. El usuario
   REGISTRADO conserva su header (menú de cuenta/logout + ☰ del sidebar en mobile). */
.ov-embed .ov-guest .ov-app-header { display: none; }