/* 관리자 페이지 스타일시트 */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 로그인 페이지 */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-container {
    display: flex;
    gap: 3rem;
    max-width: 900px;
    width: 100%;
}

.login-card {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    flex: 1;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: #667eea;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #6c757d;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: #495057;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group input {
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.login-footer {
    text-align: center;
    margin-top: 2rem;
}

.back-link {
    color: #6c757d;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s;
}

.back-link:hover {
    color: #667eea;
}

.login-info {
    background: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 15px;
    color: white;
    flex: 1;
    max-width: 400px;
}

.login-info h3 {
    margin-bottom: 1rem;
    color: #ffd700;
}

.login-info p {
    margin-bottom: 0.5rem;
}

.security-note {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-note {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.role-info {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
}

.role-info h4 {
    margin-bottom: 1rem;
    color: #ffd700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.role-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.role-item:last-child {
    margin-bottom: 0;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 600;
    min-width: 60px;
    text-align: center;
}

.badge-admin {
    background-color: #28a745;
    color: white;
}

.badge-user {
    background-color: #007bff;
    color: white;
}

.badge-success {
    background-color: #28a745;
    color: white;
}

.badge-warning {
    background-color: #ffc107;
    color: #212529;
}

.badge-danger {
    background-color: #dc3545;
    color: white;
}

/* 관리자 페이지 레이아웃 */
.admin-page {
    display: flex;
    min-height: 100vh;
}

.admin-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid #e9ecef;
    z-index: 1000;
    padding: 1rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header-left h1 {
    color: #667eea;
    font-size: 1.5rem;
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-info {
    text-align: right;
}

.admin-nav {
    display: flex;
    gap: 0.5rem;
}

.admin-sidebar {
    position: fixed;
    left: 0;
    top: 80px;
    bottom: 0;
    width: 250px;
    background: white;
    border-right: 1px solid #e9ecef;
    overflow-y: auto;
    z-index: 999;
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li {
    border-bottom: 1px solid #f8f9fa;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    color: #495057;
    text-decoration: none;
    transition: all 0.3s;
}

.sidebar-nav a:hover,
.sidebar-nav li.active a {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.sidebar-nav i {
    width: 20px;
    text-align: center;
}

.admin-main {
    margin-left: 250px;
    margin-top: 80px;
    padding: 2rem 0;
    flex: 1;
}

.page-header {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

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

.page-title h2 {
    color: #333;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-title p {
    color: #6c757d;
    margin: 0;
}

.page-actions {
    display: flex;
    gap: 1rem;
}

/* 원래 스타일 - 대시보드용 */
.page-header h2 {
    color: #495057;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    color: #6c757d;
    margin: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.25rem;
}

.stat-label {
    color: #6c757d;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.dashboard-section {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h3 {
    color: #333;
    margin: 0;
}

.table-responsive {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.admin-table th,
.admin-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.admin-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #495057;
}

.admin-table tr:hover {
    background: #f8f9fa;
}

/* 제품 관련 스타일 */
.product-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.product-thumb {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 5px;
}

.no-image {
    width: 50px;
    height: 50px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    color: #6c757d;
}

.category-badge {
    background: #667eea;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* 폼 스타일 */
.product-form {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: #495057;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid #e9ecef;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group textarea {
    min-height: 400px;
    resize: vertical;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

/* 제품 설명 textarea 특별 스타일 */
.form-group textarea#description {
    min-height: 500px;
    background: #fafbfc;
    border: 2px solid #e1e5e9;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
    font-size: 1.1rem;
}

.form-group textarea#description:focus {
    background: white;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* 제품 설명 섹션 특별 스타일 */
.description-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 10px;
    border: 1px solid #dee2e6;
}

.description-section label {
    font-size: 1.1rem;
    font-weight: 600;
    color: #495057;
    margin-bottom: 1rem;
    display: block;
}

.description-section label i {
    color: #667eea;
    margin-right: 0.5rem;
}

/* 게시글 작성 섹션 특별 스타일 */
.article-section {
    margin: 2rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 15px;
    border: 2px solid #dee2e6;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.article-section label {
    font-size: 1.2rem;
    font-weight: 700;
    color: #495057;
    margin-bottom: 1.5rem;
    display: block;
}

.article-section label i {
    color: #667eea;
    margin-right: 0.5rem;
}

.article-section textarea {
    min-height: 600px;
    font-size: 1.1rem;
    line-height: 1.8;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: white;
    border: 2px solid #e1e5e9;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.article-section textarea:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1), inset 0 2px 4px rgba(0,0,0,0.1);
}

/* 편집기 스타일 */
#editor-container {
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    overflow: hidden;
    background: white;
}

#toolbar {
    background: #f8f9fa;
    border-bottom: 1px solid #e1e5e9;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.toolbar-btn {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
    color: #495057;
}

.toolbar-btn:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.toolbar-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.toolbar-separator {
    color: #dee2e6;
    font-weight: bold;
    margin: 0 0.25rem;
}

#editor {
    min-height: 400px;
    padding: 1rem;
    outline: none;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: #495057;
}

#editor:focus {
    background: #fafbfc;
}

#editor img {
    max-width: 100%;
    height: auto;
    margin: 0.5rem 0;
}

#editor iframe {
    max-width: 100%;
    margin: 0.5rem 0;
}

#editor a {
    color: #667eea;
    text-decoration: underline;
}

#editor a:hover {
    color: #5a6fd8;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e9ecef;
}

/* 검색 폼 */
.search-form {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

/* 회원관리 전용 스타일 */
.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.user-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.user-name {
    font-weight: 600;
    color: #333;
}

.user-id {
    font-size: 0.8rem;
    color: #6c757d;
}

.email-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #495057;
}

.email-info i {
    color: #667eea;
    width: 16px;
}

.date-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #6c757d;
    font-size: 0.9rem;
}

.date-info i {
    color: #667eea;
    width: 16px;
}

.current-user-badge {
    background: #e9ecef;
    color: #6c757d;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 600;
}

.admin-toolbar {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.toolbar-left {
    flex: 1;
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.search-input-group {
    display: flex;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    overflow: hidden;
    min-width: 300px;
}

.search-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    outline: none;
    font-size: 1rem;
}

.search-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.search-btn:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

.filter-form {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.form-select {
    padding: 0.75rem 1rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    background: white;
    cursor: pointer;
    transition: border-color 0.3s;
}

.form-select:focus {
    outline: none;
    border-color: #667eea;
}

.pagination-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    padding: 1rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.pagination-info {
    color: #6c757d;
    font-size: 0.9rem;
}

.pagination {
    display: flex;
    gap: 0.5rem;
}

.page-link {
    padding: 0.5rem 1rem;
    border: 1px solid #e9ecef;
    border-radius: 5px;
    color: #495057;
    text-decoration: none;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.page-link:hover {
    background: #f8f9fa;
    border-color: #667eea;
    color: #667eea;
}

.page-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: #667eea;
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.empty-state i {
    font-size: 4rem;
    color: #6c757d;
    margin-bottom: 1rem;
}

.empty-state h4 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.empty-state p {
    color: #6c757d;
    margin-bottom: 2rem;
}

.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* 모달 스타일 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #dee2e6;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px 15px 0 0;
}

.modal-header h3 {
    margin: 0;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.close {
    color: white;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s;
}

.close:hover {
    color: #ffd700;
}

.modal-body {
    padding: 2rem;
}

.modal-info {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid #667eea;
}

.modal-info p {
    margin: 0;
    color: #495057;
}

.role-description {
    margin-top: 1.5rem;
}

.role-desc {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.role-desc h4 {
    margin-bottom: 0.5rem;
    color: #333;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.role-desc p {
    margin: 0;
    color: #6c757d;
    font-size: 0.9rem;
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid #dee2e6;
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* 버튼 스타일 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
    color: white;
    text-decoration: none;
}

.btn-outline {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-outline:hover {
    background: #667eea;
    color: white;
    text-decoration: none;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
    color: white;
    text-decoration: none;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* 빠른 액션 */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.quick-action-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s, box-shadow 0.3s;
}

.quick-action-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.quick-action-card i {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.quick-action-card h4 {
    margin-bottom: 0.5rem;
    color: #495057;
}

.quick-action-card p {
    color: #6c757d;
    font-size: 0.9rem;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    
    .admin-sidebar.open {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .login-container {
        flex-direction: column;
    }
    
    .login-card,
    .login-info {
        max-width: none;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .admin-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .admin-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .toolbar-left,
    .toolbar-right {
        width: 100%;
    }
    
    .search-input-group {
        min-width: auto;
    }
    
    .pagination-wrapper {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .page-header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        padding: 1.5rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .modal-actions {
        flex-direction: column;
    }
}

/* 접근성 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 포커스 스타일 */
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* 로딩 상태 */
.loading {
    text-align: center;
    padding: 2rem;
    color: #6c757d;
}

.loading i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #667eea;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}