:root {
  --bg-color: #121214;
  --card-bg: #202024;
  --accent-color: #8257e5;
  --accent-hover: #996dff;
  --text-main: #e1e1e6;
  --text-muted: #a8a8b3;
  --border-color: #323238;
  --code-bg: #121214;
  --success-color: #04d361;
  --danger-color: #f75a68;
  --warning-color: #eab308;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

header {
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

header h1 {
  font-size: 1.1rem;
  color: var(--accent-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.config-bar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.input-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

input[type="password"], input[type="text"], select {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 0.85rem;
  outline: none;
}

input[type="password"]:focus, input[type="text"]:focus, select:focus {
  border-color: var(--accent-color);
}

button {
  background-color: var(--accent-color);
  color: #fff;
  border: none;
  padding: 7px 14px;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.2s;
}

button:hover {
  background-color: var(--accent-hover);
}

button.btn-secondary {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

button.btn-secondary:hover {
  background-color: var(--border-color);
}

button.btn-danger {
  background-color: transparent;
  border: 1px solid var(--danger-color);
  color: var(--danger-color);
}

button.btn-danger:hover {
  background-color: var(--danger-color);
  color: #fff;
}

.main-container {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar: Tree View */
.sidebar {
  width: 280px;
  background-color: var(--card-bg);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
  font-weight: bold;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.file-tree {
  flex: 1;
  padding: 10px;
  overflow-y: auto;
  font-family: monospace;
  font-size: 0.85rem;
}

.file-tree-item {
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
}

.file-tree-item:hover {
  background-color: var(--border-color);
  color: var(--text-main);
}

/* Content Area */
.content-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-color);
}

.chat-history {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 8px;
  line-height: 1.5;
  font-size: 0.95rem;
  white-space: pre-wrap;
}

.message.user {
  align-self: flex-end;
  background-color: var(--accent-color);
  color: #fff;
}

.message.assistant {
  align-self: flex-start;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.message.system {
  align-self: center;
  background-color: transparent;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-style: italic;
}

.message.step {
  align-self: flex-start;
  background-color: #1a2332;
  border: 1px solid #2b3d59;
  color: #93c5fd;
}

/* Chat Input */
.chat-input-container {
  padding: 16px;
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-controls {
  display: flex;
  gap: 15px;
  align-items: center;
  font-size: 0.85rem;
  flex-wrap: wrap;
}

/* Attachment Previews Area */
.attachments-preview-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 4px 0;
}

.attachment-card {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 0.8rem;
  color: var(--text-main);
  max-width: 250px;
}

.attachment-card img {
  width: 24px;
  height: 24px;
  object-fit: cover;
  border-radius: 4px;
}

.attachment-card .file-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.attachment-card .btn-remove-attachment {
  background: none;
  border: none;
  color: var(--danger-color);
  font-weight: bold;
  cursor: pointer;
  padding: 0 4px;
  font-size: 1rem;
  line-height: 1;
}

.attachment-card .btn-remove-attachment:hover {
  color: #ff8892;
}

.chat-input-box {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

textarea {
  flex: 1;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px;
  border-radius: 6px;
  resize: none;
  height: 70px;
  font-size: 0.95rem;
  outline: none;
}

textarea:focus {
  border-color: var(--accent-color);
}

.btn-attach {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 14px;
  height: 70px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
}

.btn-attach:hover {
  background-color: var(--border-color);
  border-color: var(--accent-color);
}

/* Status Badge */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: bold;
}

.badge-success { background: rgba(4, 211, 97, 0.2); color: var(--success-color); }
.badge-danger { background: rgba(247, 90, 104, 0.2); color: var(--danger-color); }

.log-panel {
  max-height: 90px;
  background: var(--code-bg);
  border-top: 1px solid var(--border-color);
  padding: 8px 12px;
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  overflow-y: auto;
}

/*JANELA MODAL PARA COMPRAR CRÉDITOS*/
.purchase-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  padding: 20px;
  background: rgba(0, 0, 0, 0.65);
  align-items: center;
  justify-content: center;
}

.purchase-modal.open {
  display: flex;
}

.purchase-dialog {
  background: #fff;
  color: #222;
  width: 100%;
  max-width: 760px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 12px;
  padding: 24px;
  box-sizing: border-box;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.purchase-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.purchase-header h2 {
  margin: 0;
}

.purchase-close {
  border: none;
  color: #1976d2 !important;
  background: transparent !important;
  opacity: 1 !important;
  font-size: 28px;
  cursor: pointer;
}

.purchase-close:hover {
  color: #0d47a1 !important;
  background: #eaf3ff !important;
}

.purchase-plans {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 20px 0;
}

.purchase-plan {
  display: block;
  border: 2px solid #ddd;
  border-radius: 10px;
  padding: 16px;
  cursor: pointer;
}

.purchase-plan:has(input:checked) {
  border-color: #16803c;
  background: #f0faf3;
}

.purchase-plan input {
  margin-right: 6px;
}

.purchase-plan h3 {
  margin: 10px 0;
}

.purchase-price {
  font-size: 1.4rem;
  font-weight: bold;
}

.purchase-field {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  margin: 8px 0 16px;
  background-color: #fff;
  color: #222;
  border: 1px solid #ccc;
  border-radius: 6px;
  font: inherit;
}

.purchase-field:focus {
  outline: 2px solid #7eb993;
  outline-offset: 1px;
}

.purchase-submit {
  width: 100%;
  padding: 13px;
  border: none;
  border-radius: 6px;
  background: #16803c;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

.purchase-notice {
  margin-top: 12px;
  font-size: 0.9rem;
  color: #555;
}

@media (max-width: 520px) {
  .purchase-plans {
    grid-template-columns: 1fr;
  }

  .purchase-dialog {
    padding: 16px;
  }
}