/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Colores institucionales NATUREL MI-SUK */
  --salmon:       #E8896A;
  --salmon-dark:  #C96B4E;
  --salmon-light: #F5C4B0;
  --salmon-pale:  #FDF0EB;

  --teal-dark:    #2E6570;
  --teal-main:    #3D7D8C;
  --teal-mid:     #5A9BAA;
  --teal-light:   #A0CDD6;
  --teal-pale:    #E6F4F7;
  --teal-bg:      #F2F9FB;

  --cream:        #FDFAF8;
  --text-dark:    #1E3A40;
  --text-mid:     #3D7D8C;
  --text-soft:    #7AAAB5;

  --bubble-sara:  #ffffff;
  --bubble-user:  #3D7D8C;

  --shadow:       0 2px 16px rgba(61, 125, 140, 0.13);
  --radius:       18px;
  --font-body:    'Lato', sans-serif;
  --font-display: 'Playfair Display', serif;
}

html, body {
  height: 100%;
  font-family: var(--font-body);
  background: var(--teal-bg);
  color: var(--text-dark);
  overflow: hidden;
}

/* ===== HEADER ===== */
.header {
  background: linear-gradient(160deg, #0f2e20 0%, #1a4a32 35%, #236045 65%, #1a4a32 100%);
  border-bottom: 3px solid var(--salmon);
  padding: 0;
  box-shadow: 0 4px 22px rgba(0,0,0,0.28);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 88px;
  overflow: hidden;
}

/* Plantas botánicas */
.botanical-left,
.botanical-right {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 185px;
  pointer-events: none;
  z-index: 1;
}
.botanical-left  { left: 0; }
.botanical-right { right: 0; }

.botanical-left svg,
.botanical-right svg {
  width: 100%;
  height: 100%;
}

/* Derecha = espejo horizontal de la izquierda */
.botanical-right svg { transform: scaleX(-1); }

/* ── Animaciones por capa ── */
.leaf-1 {
  transform-box: fill-box;
  transform-origin: 20% 100%;
  animation: sway-heavy 9s ease-in-out infinite;
}
.leaf-2 {
  transform-box: fill-box;
  transform-origin: 10% 100%;
  animation: sway-mid 7.5s ease-in-out infinite 0.8s;
}
.leaf-3 {
  transform-box: fill-box;
  transform-origin: 5% 100%;
  animation: sway-fern 5.5s ease-in-out infinite 1.4s;
}
.leaf-4 {
  transform-box: fill-box;
  transform-origin: 5% 100%;
  animation: sway-mid 8.5s ease-in-out infinite 0.3s;
}
.leaf-5 {
  transform-box: fill-box;
  transform-origin: 20% 100%;
  animation: sway-light 4.5s ease-in-out infinite 1s;
}

@keyframes sway-heavy {
  0%,100% { transform: rotate(0deg); }
  38%     { transform: rotate(1.4deg); }
  72%     { transform: rotate(-0.7deg); }
}
@keyframes sway-mid {
  0%,100% { transform: rotate(0deg); }
  40%     { transform: rotate(-1.1deg); }
  68%     { transform: rotate(0.8deg); }
}
@keyframes sway-fern {
  0%,100% { transform: rotate(0deg) translateX(0); }
  50%     { transform: rotate(2deg) translateX(1px); }
}
@keyframes sway-light {
  0%,100% { transform: rotate(0deg) translateY(0); }
  35%     { transform: rotate(2.5deg) translateY(-1.5px); }
  70%     { transform: rotate(-1deg) translateY(0.5px); }
}

.header-inner {
  max-width: 780px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 200px;
  position: relative;
  z-index: 2;
}

/* Logo oficial sobre fondo blanco pill */
.brand-logo {
  height: 54px;
  width: auto;
  object-fit: contain;
  background: #ffffff;
  border-radius: 10px;
  padding: 5px 12px;
  box-shadow: 0 3px 14px rgba(0,0,0,0.22);
}

.assistant-badge {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255,255,255,0.13);
  border: 1.5px solid rgba(255,255,255,0.28);
  border-radius: 20px;
  padding: 0.35rem 0.9rem;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.95);
  font-weight: 700;
  letter-spacing: 0.02em;
  backdrop-filter: blur(4px);
  white-space: nowrap;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #6aed8a;
  box-shadow: 0 0 7px #6aed8a;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ===== CHAT WRAPPER ===== */
.chat-wrapper {
  max-width: 780px;
  margin: 0 auto;
  height: calc(100vh - 91px);
  display: flex;
  flex-direction: column;
  background: var(--cream);
  box-shadow: var(--shadow);
}

/* ===== CHAT BOX ===== */
.chat-box {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 1.2rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  scroll-behavior: smooth;
  background:
    radial-gradient(ellipse at top right, rgba(232, 137, 106, 0.06) 0%, transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(61, 125, 140, 0.05) 0%, transparent 55%),
    var(--cream);
}

.chat-box::-webkit-scrollbar { width: 5px; }
.chat-box::-webkit-scrollbar-track { background: transparent; }
.chat-box::-webkit-scrollbar-thumb { background: var(--teal-light); border-radius: 10px; }

/* ===== MESSAGES ===== */
.message {
  display: flex;
  align-items: flex-end;
  gap: 0.6rem;
  max-width: 85%;
  animation: fadeUp 0.3s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.sara-message { align-self: flex-start; }
.user-message { align-self: flex-end; flex-direction: row-reverse; }

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal-main), var(--teal-dark));
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(61, 125, 140, 0.3);
}

.user-message .avatar {
  background: linear-gradient(135deg, var(--salmon), var(--salmon-dark));
}

.bubble {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  line-height: 1.6;
  font-size: 0.92rem;
  box-shadow: 0 1px 6px rgba(0,0,0,0.07);
}

.sara-message .bubble {
  background: var(--bubble-sara);
  border: 1px solid rgba(61, 125, 140, 0.18);
  border-bottom-left-radius: 4px;
  color: var(--text-dark);
}

.user-message .bubble {
  background: var(--bubble-user);
  color: #ffffff;
  border-bottom-right-radius: 4px;
}

.bubble p { margin-bottom: 0.4rem; }
.bubble p:last-of-type { margin-bottom: 0; }
.bubble strong { color: var(--teal-dark); }
.user-message .bubble strong { color: #c8eaf0; }
.bubble h2, .bubble h3, .bubble h4 {
  font-family: var(--font-display);
  color: var(--teal-dark);
  margin: 0.7rem 0 0.3rem;
  font-size: 0.97rem;
}
.bubble hr {
  border: none;
  border-top: 1px solid rgba(61,125,140,0.2);
  margin: 0.6rem 0;
}

/* ===== QUICK REPLIES ===== */
.quick-replies {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.8rem;
}

.quick-btn {
  background: var(--salmon-pale);
  border: 1.5px solid var(--salmon-light);
  color: var(--salmon-dark);
  border-radius: 20px;
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 700;
}

.quick-btn:hover {
  background: var(--salmon);
  color: #fff;
  border-color: var(--salmon);
  transform: translateY(-1px);
}

.quick-btn--photo {
  background: linear-gradient(135deg, #e8f5ee, #d4eee0);
  border-color: var(--teal-light);
  color: var(--teal-dark);
  width: 100%;
  font-size: 0.82rem;
  padding: 0.5rem 1rem;
  margin-top: 0.2rem;
}

.quick-btn--photo:hover {
  background: linear-gradient(135deg, var(--teal-main), var(--teal-dark));
  border-color: var(--teal-main);
  color: #fff;
}

/* ===== TYPING INDICATOR ===== */
.typing-indicator {
  display: flex;
  align-items: flex-end;
  gap: 0.6rem;
  padding: 0 1.2rem 0.3rem;
}

.typing-dots {
  background: var(--bubble-sara);
  border: 1px solid rgba(61, 125, 140, 0.18);
  border-radius: var(--radius);
  border-bottom-left-radius: 4px;
  padding: 0.7rem 1rem;
  display: flex;
  gap: 5px;
  align-items: center;
  box-shadow: 0 1px 6px rgba(0,0,0,0.07);
}

.typing-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--salmon);
  animation: bounce 1.2s infinite ease-in-out;
}

.typing-dots span:nth-child(1) { animation-delay: 0s; }
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.5; }
  40%           { transform: translateY(-7px); opacity: 1; }
}

/* ===== INPUT AREA ===== */
.input-area {
  padding: 0.8rem 1.2rem 0.6rem;
  background: var(--cream);
  border-top: 1px solid rgba(61, 125, 140, 0.15);
}

.input-wrapper {
  display: flex;
  align-items: flex-end;
  gap: 0.6rem;
  background: #ffffff;
  border: 1.5px solid rgba(61, 125, 140, 0.3);
  border-radius: 24px;
  padding: 0.5rem 0.5rem 0.5rem 1rem;
  box-shadow: 0 2px 10px rgba(61, 125, 140, 0.08);
  transition: border-color 0.2s;
}

.input-wrapper:focus-within {
  border-color: var(--teal-main);
  box-shadow: 0 2px 14px rgba(61, 125, 140, 0.15);
}

textarea#userInput {
  flex: 1;
  border: none;
  outline: none;
  resize: none;
  font-family: var(--font-body);
  font-size: 0.93rem;
  color: var(--text-dark);
  background: transparent;
  line-height: 1.5;
  max-height: 120px;
  overflow-y: auto;
}

textarea#userInput::placeholder { color: var(--teal-light); }

.send-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--salmon), var(--salmon-dark));
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(232, 137, 106, 0.4);
}

.send-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 14px rgba(232, 137, 106, 0.55);
}

.send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.send-btn svg {
  width: 17px;
  height: 17px;
  margin-left: 2px;
}

.photo-group {
  display: flex;
  flex-direction: row;
  gap: 4px;
  flex-shrink: 0;
  align-items: flex-end;
}

.photo-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--teal-mid), var(--teal-main));
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(61, 125, 140, 0.35);
}

.photo-btn--camera {
  background: linear-gradient(135deg, var(--salmon), var(--salmon-dark));
  box-shadow: 0 2px 8px rgba(232, 137, 106, 0.35);
}

.photo-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 14px rgba(61, 125, 140, 0.5);
}

.photo-btn--camera:hover {
  box-shadow: 0 4px 14px rgba(232, 137, 106, 0.5);
}

.photo-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.photo-btn svg {
  width: 15px;
  height: 15px;
}

.chat-photo {
  max-width: 200px;
  max-height: 200px;
  border-radius: 12px;
  object-fit: cover;
  display: block;
}

.photo-bubble {
  padding: 0.5rem 0.6rem;
}

.input-footer {
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-soft);
  margin-top: 0.4rem;
}

.input-footer a {
  color: var(--teal-main);
  text-decoration: none;
  font-weight: 700;
}

.input-footer a:hover { text-decoration: underline; }

/* ===== BOTONES DE PEDIDO ===== */
.order-btns {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.7rem;
}

.order-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: #ffffff;
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.8rem 1.6rem;
  border-radius: 50px;
  transition: all 0.22s ease;
  letter-spacing: 0.01em;
  width: 100%;
  max-width: 340px;
}

.order-btn--wa {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
}

.order-btn--wa:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(37, 211, 102, 0.58);
  color: #ffffff;
  text-decoration: none;
}

.order-btn--wc {
  background: linear-gradient(135deg, var(--salmon) 0%, var(--salmon-dark) 100%);
  box-shadow: 0 4px 16px rgba(232, 137, 106, 0.4);
}

.order-btn--wc:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(232, 137, 106, 0.58);
  color: #ffffff;
  text-decoration: none;
}

.order-btn:active {
  transform: translateY(0) scale(0.98);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 700px) {
  .header { height: 76px; }
  .botanical-left, .botanical-right { width: 110px; }
  .header-inner { padding: 0 120px; }
  .brand-logo { height: 44px; padding: 4px 8px; }
  .assistant-badge { font-size: 0.68rem; padding: 0.25rem 0.6rem; }
}

@media (max-width: 480px) {
  .header { height: 68px; }
  .botanical-left, .botanical-right { width: 80px; }
  .header-inner { padding: 0 88px; }
  .brand-logo { height: 38px; padding: 3px 7px; }
  .assistant-badge span { display: none; }
  .assistant-badge { padding: 0.3rem 0.5rem; }
  .chat-box { padding: 1rem 0.8rem 0.3rem; }
  .message { max-width: 92%; }
  .input-area { padding: 0.6rem 0.8rem 0.5rem; }
}