/* NutriAgent · nutri.ecotratamientos.es — tema eco, mobile-first */
:root {
  --verde: #2e7d32;
  --verde-oscuro: #1b5e20;
  --verde-claro: #e8f5e9;
  --acento: #66bb6a;
  --fondo: #f7faf6;
  --tarjeta: #ffffff;
  --texto: #1c2a1c;
  --texto-suave: #5a6b5a;
  --borde: #dce8dc;
  --sombra: 0 2px 10px rgba(27, 94, 32, .08);
  --radio: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- cabecera ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px;
  background: var(--tarjeta);
  border-bottom: 1px solid var(--borde);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { font-size: 30px; }
.topbar h1 { font-size: 20px; color: var(--verde-oscuro); letter-spacing: .2px; }
.domain { font-size: 12px; color: var(--texto-suave); }
.badge {
  font-size: 12px; padding: 4px 12px; border-radius: 999px;
  background: var(--verde-claro); color: var(--verde-oscuro); border: 1px solid var(--borde);
  white-space: nowrap;
}
.badge.demo { background: #fff8e1; color: #8d6e00; border-color: #f0e0a8; }

/* ---------- layout ---------- */
.layout {
  flex: 1;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 18px;
  max-width: 1100px;
  width: 100%;
  margin: 18px auto;
  padding: 0 16px;
}

/* ---------- panel lateral ---------- */
.panel {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 18px;
  box-shadow: var(--sombra);
  align-self: start;
  position: sticky; top: 74px;
}
.panel h2 { font-size: 16px; color: var(--verde-oscuro); margin-bottom: 6px; }
.panel h3 { font-size: 14px; color: var(--verde-oscuro); margin: 14px 0 8px; }
.hint { font-size: 12.5px; color: var(--texto-suave); margin-bottom: 12px; line-height: 1.45; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1.5px solid var(--borde);
  background: var(--fondo);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
  transition: all .15s ease;
}
.chip:hover { border-color: var(--acento); }
.chip.activo {
  background: var(--verde);
  border-color: var(--verde);
  color: #fff;
}

.budget { display: block; font-size: 13px; color: var(--texto-suave); margin-top: 14px; }
.budget input {
  width: 90px; margin: 6px 6px 0 0;
  padding: 7px 10px; border: 1px solid var(--borde); border-radius: 8px; font-size: 14px;
}

.geo-row { display: flex; gap: 8px; }
.geo input {
  flex: 1; padding: 8px 10px; border: 1px solid var(--borde); border-radius: 8px; font-size: 14px; min-width: 0;
}
.geo .full { width: 100%; margin-top: 8px; }

.stores { list-style: none; margin-top: 10px; display: grid; gap: 8px; }
.stores li {
  font-size: 13px; background: var(--fondo); border: 1px solid var(--borde);
  border-radius: 10px; padding: 8px 10px; line-height: 1.4;
}
.stores a { color: var(--verde); font-weight: 600; text-decoration: none; }
.stores .muted { color: var(--texto-suave); }

.legal { font-size: 11.5px; color: var(--texto-suave); margin-top: 16px; line-height: 1.5; }
.legal a { color: var(--verde); }

/* ---------- chat ---------- */
.chat {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  display: flex; flex-direction: column;
  min-height: 60vh;
  overflow: hidden;
}
.messages {
  flex: 1; overflow-y: auto;
  padding: 18px;
  display: flex; flex-direction: column; gap: 14px;
}

.msg { display: flex; flex-direction: column; max-width: 85%; }
.msg.user { align-self: flex-end; align-items: flex-end; }
.msg.bot { align-self: flex-start; }

.bubble {
  padding: 12px 14px;
  border-radius: 16px;
  font-size: 14.5px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.bubble p + p { margin-top: 8px; }
.msg.bot .bubble {
  background: var(--verde-claro);
  border: 1px solid var(--borde);
  border-top-left-radius: 4px;
}
.msg.user .bubble {
  background: var(--verde);
  color: #fff;
  border-top-right-radius: 4px;
}
.bubble strong { font-weight: 700; }
.bubble a { color: var(--verde-oscuro); }

.suggestions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.sugg {
  border: 1px solid var(--acento); color: var(--verde-oscuro); background: #fff;
  padding: 7px 12px; border-radius: 999px; font-size: 13px; cursor: pointer;
  transition: background .15s ease;
}
.sugg:hover { background: var(--verde-claro); }

/* tarjetas de producto */
.products { display: grid; gap: 10px; margin-top: 10px; width: 100%; }
.card {
  display: block; text-decoration: none; color: inherit;
  background: #fff; border: 1px solid var(--borde); border-radius: 12px;
  padding: 10px 12px; transition: box-shadow .15s ease, transform .15s ease;
}
.card:hover { box-shadow: var(--sombra); transform: translateY(-1px); }
.card .name { font-weight: 650; font-size: 14px; }
.card .meta { display: flex; align-items: center; gap: 8px; margin-top: 4px; font-size: 12.5px; color: var(--texto-suave); flex-wrap: wrap; }
.card .price { color: var(--verde-oscuro); font-weight: 700; }
.card .eco { background: var(--verde-claro); color: var(--verde-oscuro); border-radius: 999px; padding: 2px 8px; font-size: 11px; font-weight: 600; }
.card .tienda { font-style: normal; }

/* escribiendo… */
.typing { display: inline-flex; gap: 4px; padding: 6px 2px; }
.typing span {
  width: 7px; height: 7px; border-radius: 50%; background: var(--acento);
  animation: blink 1.2s infinite ease-in-out;
}
.typing span:nth-child(2) { animation-delay: .2s; }
.typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .25; } 40% { opacity: 1; } }

/* ---------- composer ---------- */
.composer {
  display: flex; gap: 10px;
  padding: 12px 14px;
  border-top: 1px solid var(--borde);
  background: #fff;
}
.composer input {
  flex: 1; padding: 12px 14px; font-size: 15px;
  border: 1.5px solid var(--borde); border-radius: 999px; outline: none; min-width: 0;
}
.composer input:focus { border-color: var(--acento); }
.btn {
  border: none; border-radius: 999px; cursor: pointer; font-size: 15px;
  transition: filter .15s ease;
}
.btn.primary {
  background: var(--verde); color: #fff; padding: 0 20px; font-size: 18px;
}
.btn.secondary {
  background: var(--verde-claro); color: var(--verde-oscuro);
  border: 1px solid var(--borde); padding: 8px 14px; font-size: 13px; font-weight: 600;
}
.btn:hover { filter: brightness(.95); }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.composer-note {
  font-size: 11.5px; color: var(--texto-suave);
  padding: 8px 14px 12px; text-align: center; background: #fff;
}

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--borde);
  background: var(--tarjeta);
  padding: 16px 20px;
  font-size: 12px; color: var(--texto-suave);
  display: grid; gap: 6px;
}
.linklike { background: none; border: none; color: var(--verde); cursor: pointer; font-size: inherit; text-decoration: underline; padding: 0; }

/* ---------- responsive: el panel pasa a la parte superior ---------- */
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .panel { position: static; }
  .msg { max-width: 95%; }
  .chat { min-height: 55vh; }
}