:root {
  --color-black: #08080a;
  --color-surface: #121217;
  --color-surface-elevated: #1a1a23;
  --color-border: #272736;
  --color-white: #ffffff;
  --color-text-muted: #9595a8;
  --color-neon-green: #D6FA74;
  --color-vibrant-purple: #733FF9;
  --color-purple-light: #9d75fc;
  --color-danger: #ff4757;
  --color-success: #2ed573;
  --font-main: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background-color: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-main);
  height: 100vh;
  overflow: hidden;
}

.app-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: rgba(18, 18, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  background: var(--color-neon-green);
  color: #000;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.header-brand h1 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.header-brand h1 span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 400;
  margin-left: 8px;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  background: var(--color-surface);
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-neon-green);
  box-shadow: 0 0 10px var(--color-neon-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.7; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.7; }
}

/* Main Content Grid */
.app-main {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  flex: 1;
  height: calc(100vh - 65px);
  overflow: hidden;
}

/* Columna de Chat */
.chat-section {
  display: flex;
  flex-direction: column;
  background: var(--color-black);
  border-right: 1px solid var(--color-border);
  height: 100%;
  min-height: 0; /* Evita que los hijos desborden el contenedor flex */
  position: relative;
}

.section-header {
  padding: 16px 20px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.chat-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bot-avatar {
  font-size: 1.6rem;
  background: rgba(115, 63, 249, 0.15);
  border: 1px solid var(--color-vibrant-purple);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
}

.chat-info h3 {
  font-size: 1rem;
  font-weight: 600;
}

.chat-info p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.quick-prompts {
  display: flex;
  gap: 8px;
}

.chip-btn {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-white);
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-main);
}

.chip-btn:hover {
  background: var(--color-vibrant-purple);
  border-color: var(--color-vibrant-purple);
}

.chat-messages {
  flex: 1 1 auto;
  overflow-y: auto;
  min-height: 0;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.message {
  display: flex;
  gap: 12px;
  max-width: 88%;
}

.bot-msg {
  align-self: flex-start;
}

.user-msg {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.msg-avatar {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.bot-msg .msg-avatar {
  background: rgba(115, 63, 249, 0.2);
  border: 1px solid var(--color-vibrant-purple);
}

.user-msg .msg-avatar {
  background: rgba(214, 250, 116, 0.2);
  border: 1px solid var(--color-neon-green);
  color: var(--color-neon-green);
}

.msg-content {
  padding: 14px 18px;
  border-radius: 14px;
  font-size: 0.92rem;
  line-height: 1.55;
  word-break: break-word;
}

.bot-msg .msg-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: #e5e5f0;
}

.user-msg .msg-content {
  background: var(--color-vibrant-purple);
  color: #ffffff;
  border-bottom-right-radius: 4px;
}

.msg-content ul {
  margin: 10px 0 6px 18px;
}

.msg-content li {
  margin-bottom: 6px;
}

.tool-badge-box {
  margin-top: 10px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(214, 250, 116, 0.3);
  padding: 8px 12px;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-neon-green);
}

/* Input Bar */
.chat-input-bar {
  display: flex;
  padding: 16px 20px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  gap: 12px;
  flex-shrink: 0; /* Crucial: nunca se encoge ni desaparece */
  z-index: 10;
}

.chat-input-bar input {
  flex: 1;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-white);
  padding: 12px 18px;
  border-radius: 10px;
  font-family: var(--font-main);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.2s;
}

.chat-input-bar input:focus {
  border-color: var(--color-neon-green);
}

.chat-input-bar button {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-neon-green);
  color: #000;
  font-weight: 600;
  border: none;
  padding: 0 22px;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font-main);
  transition: all 0.2s;
}

.chat-input-bar button:hover {
  background: #c3e862;
  transform: translateY(-1px);
}

/* Columna Derecha (Dashboard) */
.dashboard-section {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px;
  background: #0d0d12;
  overflow-y: auto;
}

.panel-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 18px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.title-with-icon {
  display: flex;
  align-items: center;
  gap: 8px;
}

.title-with-icon .icon {
  font-size: 1.2rem;
}

.title-with-icon h4 {
  font-size: 0.95rem;
  font-weight: 600;
}

.card-subtitle {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  margin-bottom: 14px;
}

.reload-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--color-text-muted);
  transition: transform 0.3s;
}

.reload-btn:hover {
  transform: rotate(90deg);
  color: var(--color-white);
}

/* Tabla de Productos */
.products-table-container {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.products-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.products-table th, .products-table td {
  padding: 10px 12px;
  text-align: left;
}

.products-table th {
  background: var(--color-surface-elevated);
  color: var(--color-text-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
}

.products-table tr:not(:last-child) td {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.price-tag {
  font-family: var(--font-mono);
  color: var(--color-neon-green);
  font-weight: 600;
}

/* Zona de Upload RAG */
.upload-zone {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.upload-zone input[type="file"] {
  display: none;
}

.drop-zone-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 20px;
  border: 2px dashed var(--color-border);
  border-radius: 10px;
  cursor: pointer;
  background: rgba(26, 26, 35, 0.5);
  transition: all 0.2s;
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.drop-zone-label:hover {
  border-color: var(--color-vibrant-purple);
  background: rgba(115, 63, 249, 0.08);
}

.upload-btn {
  background: var(--color-vibrant-purple);
  color: var(--color-white);
  border: none;
  padding: 10px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-main);
  transition: all 0.2s;
}

.upload-btn:hover {
  background: var(--color-purple-light);
}

.documents-list-container {
  margin-top: 16px;
}

.documents-list-container h5 {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.documents-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.doc-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-surface-elevated);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.doc-name {
  font-family: var(--font-mono);
  color: #eaeaf5;
}

.doc-badge {
  background: rgba(214, 250, 116, 0.15);
  color: var(--color-neon-green);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.72rem;
}