/* Rules Engine */

.rules-engine {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-md);
  margin-bottom: var(--space-lg);
}

.rules-engine__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-sm);
}

/* Search form */
.rules-engine__form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.rules-engine__input {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-sm);
  outline: none;
  transition: border-color var(--transition-fast);
}

.rules-engine__input::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.rules-engine__input:focus {
  border-color: rgba(249, 115, 22, 0.5);
}

.rules-engine__submit {
  padding: var(--space-sm) var(--space-lg);
  background: linear-gradient(135deg, #f97316, #2dd4bf);
  border: none;
  border-radius: var(--radius-lg);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: opacity var(--transition-fast);
  white-space: nowrap;
}

.rules-engine__submit:hover {
  opacity: 0.9;
}

.rules-engine__submit:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Loading state */
.rules-engine__loading {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
}

.rules-engine__loading .spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-top-color: #f97316;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Answer card */
.rules-engine__answer {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 3px solid #f97316;
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.rules-engine__answer-text {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin: 0 0 var(--space-sm);
}

.rules-engine__confidence {
  display: inline-block;
  font-size: var(--font-size-xs);
  padding: 2px var(--space-sm);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-sm);
}

.rules-engine__confidence--high {
  background: rgba(72, 187, 120, 0.15);
  color: #68d391;
}

.rules-engine__confidence--medium {
  background: rgba(249, 115, 22, 0.15);
  color: #fb923c;
}

.rules-engine__confidence--low {
  background: rgba(245, 101, 101, 0.15);
  color: #fc8181;
}

/* Sources */
.rules-engine__sources {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.rules-engine__source {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px var(--space-sm);
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.rules-engine__source:hover {
  background: rgba(255, 255, 255, 0.12);
}

.rules-engine__source--pdf {
  border: 1px solid rgba(249, 115, 22, 0.3);
  color: #fb923c;
}

.rules-engine__source--pdf:hover {
  color: #fdba74;
  border-color: rgba(249, 115, 22, 0.5);
}

.rules-engine__source--video {
  border: 1px solid rgba(45, 212, 191, 0.3);
  color: #2dd4bf;
}

.rules-engine__source--video:hover {
  color: #99f6e4;
  border-color: rgba(45, 212, 191, 0.5);
}

/* History / previous Q&A */
.rules-engine__history {
  margin-top: var(--space-md);
}

.rules-engine__history-toggle {
  background: none;
  border: none;
  color: #fb923c;
  cursor: pointer;
  font-size: var(--font-size-sm);
  padding: 0;
  transition: color var(--transition-fast);
}

.rules-engine__history-toggle:hover {
  color: #fdba74;
}

.rules-engine__history-list {
  list-style: none;
  padding: 0;
  margin: var(--space-sm) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.rules-engine__history-item {
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.rules-engine__history-item:hover {
  background: rgba(255, 255, 255, 0.07);
}

.rules-engine__history-question {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.rules-engine__history-meta {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.4);
  margin-top: 2px;
}

/* Voting */
.rules-engine__voting {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.rules-engine__voting-label {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.45);
}

.rules-engine__vote {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  font-size: var(--font-size-sm);
  padding: 4px 10px;
  transition: all var(--transition-fast);
  line-height: 1;
}

.rules-engine__vote:hover {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
}

.rules-engine__vote--up:hover {
  border-color: rgba(72, 187, 120, 0.4);
  color: #68d391;
}

.rules-engine__vote--down:hover {
  border-color: rgba(245, 101, 101, 0.4);
  color: #fc8181;
}

.rules-engine__vote:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.rules-engine__vote-thanks {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
}

/* Input validation error */
.rules-engine__input--error {
  border-color: rgba(245, 101, 101, 0.5);
}

.rules-engine__validation-error {
  width: 100%;
  font-size: var(--font-size-xs);
  color: #fc8181;
  margin-top: calc(var(--space-sm) * -0.5);
  margin-bottom: var(--space-sm);
}

/* Error state */
.rules-engine__error {
  padding: var(--space-sm) var(--space-md);
  background: rgba(245, 101, 101, 0.1);
  border: 1px solid rgba(245, 101, 101, 0.2);
  border-radius: var(--radius-md);
  color: #fc8181;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-md);
}

/* Unavailable state */
.rules-engine--unavailable {
  display: none;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}