/* AI-аналитика */
.ai-layout {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100%;
  gap: 8px;
}

.ai-chat-log {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  background: var(--bg-secondary);
  border-radius: 8px;
  max-height: calc(100vh - 280px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ai-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.ai-msg-user {
  align-self: flex-end;
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.ai-msg-ai {
  align-self: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.ai-msg-error {
  align-self: flex-start;
  background: #fff0f0;
  border: 1px solid #e74c3c;
  color: #c0392b;
  border-bottom-left-radius: 4px;
}

.ai-msg-loading {
  align-self: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
  color: #888;
  font-style: italic;
}

.ai-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.ai-clear-btn {
  font-size: 11px;
  color: #999;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  white-space: nowrap;
}
.ai-clear-btn:hover {
  color: #e74c3c;
}

.ai-date-filter {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 4px 0;
}

.ai-date-filter select,
.ai-date-filter input[type="date"] {
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  background: var(--bg-card);
  color: var(--text);
}

.ai-date-filter select:focus,
.ai-date-filter input[type="date"]:focus {
  outline: none;
  border-color: var(--accent);
}

.ai-date-filter input[type="date"]:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.ai-input-bar {
  display: flex;
  gap: 8px;
  padding: 8px 0;
}

.ai-input-bar input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  background: var(--bg-card);
  color: var(--text);
}

.ai-input-bar input:focus {
  outline: none;
  border-color: var(--accent);
}

.ai-quick-btns {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 4px 0;
}

.ai-quick-btns button {
  font-size: 12px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
}

.ai-quick-btns button:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.ai-empty-state {
  text-align: center;
  color: #999;
  padding: 40px 20px;
  font-size: 14px;
}

.ai-empty-state svg {
  width: 64px;
  height: 64px;
  stroke: #ccc;
  margin-bottom: 12px;
}

.ai-msg-usage {
  font-size: 10px;
  color: #aaa;
  text-align: right;
  margin-top: 4px;
}