/**
 * 缁熶竴缁勪欢搴?- PC 绔? * 鍖呭惈锛氭寜閽€佽〃鍗曘€佸崱鐗囩瓑閫氱敤缁勪欢
 * 浣滆€? UI 浼樺寲鍥㈤槦
 * 鏃ユ湡: 2025-10-17
 */

/* ==================== 鎸夐挳缁勪欢 ==================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--btn-padding-base);
  height: var(--btn-height-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border-radius: var(--radius-base);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 涓绘寜閽?*/
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 156, 247, 0.3);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

/* 娆¤鎸夐挳 */
.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-accent-orange);
  border-color: var(--color-accent-orange);
  transform: translateY(-1px);
}

/* 杈规鎸夐挳 */
.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* 鏂囧瓧鎸夐挳 */
.btn-text {
  background-color: transparent;
  color: var(--color-primary);
  border-color: transparent;
  padding: 0 var(--spacing-2);
}

.btn-text:hover:not(:disabled) {
  background-color: rgba(15, 156, 247, 0.1);
}

/* 鎸夐挳灏哄 */
.btn-sm {
  height: var(--btn-height-sm);
  padding: var(--btn-padding-sm);
  font-size: var(--font-size-xs);
}

.btn-lg {
  height: var(--btn-height-lg);
  padding: var(--btn-padding-lg);
  font-size: var(--font-size-base);
}

/* 鍧楃骇鎸夐挳 */
.btn-block {
  width: 100%;
  display: flex;
}

/* 鍦嗚鎸夐挳 */
.btn-round {
  border-radius: var(--radius-circle);
}

/* ==================== 琛ㄥ崟缁勪欢 ==================== */

/* 杈撳叆妗嗗熀纭€鏍峰紡 */
.input-base,
.input,
input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="tel"],
input[type="search"],
textarea {
  width: 100%;
  height: var(--input-height-base);
  padding: 0 var(--input-padding-horizontal);
  font-size: var(--font-size-sm);
  line-height: 1.5;
  color: var(--color-text-primary);
  background-color: var(--color-white);
  border: 1px solid var(--color-border-base);
  border-radius: var(--radius-base);
  transition: all var(--transition-fast);
  outline: none;
}

.input:hover,
input:hover {
  border-color: var(--color-primary-light);
}

.input:focus,
input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(15, 156, 247, 0.1);
}

.input:disabled,
input:disabled {
  background-color: var(--color-bg-light);
  color: var(--color-text-disabled);
  cursor: not-allowed;
}

/* 杈撳叆妗嗗昂瀵?*/
.input-sm {
  height: var(--input-height-sm);
  font-size: var(--font-size-xs);
}

.input-lg {
  height: var(--input-height-lg);
  font-size: var(--font-size-base);
}

/* 鏂囨湰鍩?*/
textarea.input-base,
textarea.input,
textarea {
  height: auto;
  min-height: 80px;
  padding: var(--input-padding-vertical) var(--input-padding-horizontal);
  line-height: var(--line-height-base);
  resize: vertical;
}

/* 琛ㄥ崟缁?*/
.form-group {
  margin-bottom: var(--spacing-4);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.form-hint {
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.form-error {
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-xs);
  color: var(--color-error);
}

/* 閿欒鐘舵€?*/
.input-error,
input.error {
  border-color: var(--color-error);
}

.input-error:focus,
input.error:focus {
  box-shadow: 0 0 0 2px rgba(255, 91, 83, 0.1);
}

/* 鎴愬姛鐘舵€?*/
.input-success,
input.success {
  border-color: var(--color-success);
}

/* ==================== 鍗＄墖缁勪欢 ==================== */

.card {
  background-color: var(--color-white);
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.card-clickable {
  cursor: pointer;
}

.card-body {
  padding: var(--card-padding-base);
}

.card-body-sm {
  padding: var(--card-padding-sm);
}

.card-body-lg {
  padding: var(--card-padding-lg);
}

.card-header {
  padding: var(--card-padding-base);
  border-bottom: 1px solid var(--color-border-light);
  font-weight: var(--font-weight-medium);
}

.card-footer {
  padding: var(--card-padding-base);
  border-top: 1px solid var(--color-border-light);
  background-color: var(--color-bg-light);
}

/* 鍥剧焊鍗＄墖 */
.card-project {
  position: relative;
  overflow: hidden;
}

.card-project-image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background-color: var(--color-bg-light);
}

.card-project-content {
  padding: var(--spacing-4);
}

.card-project-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.card-project-badge {
  position: absolute;
  top: var(--spacing-2);
  right: var(--spacing-2);
  padding: var(--spacing-1) var(--spacing-2);
  background-color: var(--color-featured);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-medium);
}

/* ==================== 鏍囩缁勪欢 ==================== */

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
  line-height: 1;
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-normal);
}

.tag-primary {
  background-color: rgba(15, 156, 247, 0.1);
  color: var(--color-primary);
}

.tag-success {
  background-color: rgba(82, 196, 26, 0.1);
  color: var(--color-success);
}

.tag-warning {
  background-color: rgba(250, 173, 20, 0.1);
  color: var(--color-warning);
}

.tag-error {
  background-color: rgba(255, 91, 83, 0.1);
  color: var(--color-error);
}

.tag-featured {
  background-color: var(--color-featured);
  color: var(--color-white);
}

.tag-vip {
  background-color: var(--color-vip);
  color: var(--color-white);
}

/* ==================== 鍒嗛〉缁勪欢 ==================== */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-6) 0;
}

.pagination-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 var(--spacing-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  border: 1px solid var(--color-border-base);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.pagination-item:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.pagination-item.active {
  color: var(--color-white);
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.pagination-item.disabled {
  color: var(--color-text-disabled);
  background-color: var(--color-bg-light);
  border-color: var(--color-border-light);
  cursor: not-allowed;
}

/* ==================== 鍔犺浇鐘舵€?==================== */

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border-base);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.8);
  z-index: var(--z-index-modal);
}

/* ==================== 鎻愮ず妗?==================== */

.alert {
  padding: var(--spacing-4);
  border-radius: var(--radius-base);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-4);
}

.alert-info {
  background-color: rgba(24, 144, 255, 0.1);
  color: var(--color-info);
  border: 1px solid rgba(24, 144, 255, 0.2);
}

.alert-success {
  background-color: rgba(82, 196, 26, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(82, 196, 26, 0.2);
}

.alert-warning {
  background-color: rgba(250, 173, 20, 0.1);
  color: var(--color-warning);
  border: 1px solid rgba(250, 173, 20, 0.2);
}

.alert-error {
  background-color: rgba(255, 91, 83, 0.1);
  color: var(--color-error);
  border: 1px solid rgba(255, 91, 83, 0.2);
}

/* ==================== 澶村儚缁勪欢 ==================== */

.avatar {
  display: inline-block;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  overflow: hidden;
  background-color: var(--color-bg-light);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-sm {
  width: 32px;
  height: 32px;
}

.avatar-lg {
  width: 64px;
  height: 64px;
}

.avatar-xl {
  width: 96px;
  height: 96px;
}