/* ===== 管理后台 ===== */

/* 共享基础组件（从 styles.css 提取，管理后台独立页面需要） */
body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    max-width: 400px;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

.modal-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.modal-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.modal-close {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.875rem 2rem;
    background: var(--gradient-accent);
    border: none;
    border-radius: 50px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.filter-btn {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

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

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group select {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== 管理后台专属 ===== */
.admin-section {
    min-height: 100vh;
    padding: 100px 20px 60px;
    background: var(--bg-dark);
}

.admin-container {
    max-width: 1100px;
    margin: 0 auto;
}

.admin-header {
    text-align: center;
    margin-bottom: 32px;
}

.admin-header-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--shadow-glow);
}

.admin-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.admin-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}

.admin-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: all 0.3s ease;
}

.admin-stat-card:hover {
    transform: translateY(-3px);
    border-color: rgba(var(--particle-color), 0.3);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.admin-stat-card.accent {
    border-color: rgba(var(--particle-color), 0.25);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(var(--particle-color), 0.05) 100%);
}

.admin-stat-icon {
    width: 44px;
    height: 44px;
    background: rgba(var(--particle-color), 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--accent);
    flex-shrink: 0;
}

.admin-stat-card.accent .admin-stat-icon {
    background: var(--gradient-accent);
    color: white;
}

.admin-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.admin-stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.admin-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.admin-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.admin-tab:hover {
    color: var(--text-primary);
    border-color: rgba(var(--particle-color), 0.3);
}

.admin-tab.active {
    background: var(--gradient-accent);
    border-color: transparent;
    color: white;
    font-weight: 600;
}

.admin-tab i {
    font-size: 0.9rem;
}

.admin-tab-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: #ef4444;
    border-radius: 10px;
    font-size: 0.7rem;
    color: white;
    font-weight: 600;
}

.admin-tab.active .admin-tab-badge {
    background: rgba(255, 255, 255, 0.25);
}

.admin-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
}

.admin-filters {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.admin-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 600px;
    overflow-y: auto;
}

.admin-empty {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
}

.admin-empty i {
    font-size: 2rem;
    margin-bottom: 12px;
    display: block;
    opacity: 0.5;
}

.admin-empty span {
    font-size: 0.9rem;
}

/* 提交审核列表项 */
.admin-submission-item {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
}

.admin-submission-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.admin-submission-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-submission-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: white;
    font-weight: 600;
    flex-shrink: 0;
}

.admin-submission-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.admin-submission-task {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.admin-submission-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.admin-submission-content {
    background: rgba(var(--particle-color), 0.03);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-height: 150px;
    overflow-y: auto;
}

.admin-submission-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.admin-review-input {
    flex: 1;
    min-width: 120px;
    padding: 8px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.85rem;
}

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

.admin-review-input::placeholder {
    color: var(--text-muted);
}

.admin-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.admin-btn-approve {
    background: var(--gradient-accent);
    color: white;
}

.admin-btn-approve:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.admin-btn-reject {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.admin-btn-reject:hover {
    background: rgba(239, 68, 68, 0.25);
}


/* 提现卡片样式 */
.admin-withdrawal-item {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
}

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

.admin-withdrawal-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-withdrawal-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
    font-weight: 600;
    flex-shrink: 0;
}

.admin-withdrawal-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.admin-withdrawal-phone {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.admin-withdrawal-amount {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ef4444;
}

.admin-withdrawal-info {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.admin-withdrawal-info i {
    margin-right: 6px;
    color: var(--accent);
}

/* 状态标签 */
.admin-status-tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.admin-status-tag.pending {
    background: rgba(255, 193, 7, 0.15);
    color: #ffc107;
}

.admin-status-tag.approved {
    background: rgba(32, 201, 151, 0.15);
    color: var(--accent);
}

.admin-status-tag.rejected {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.admin-status-tag.completed {
    background: rgba(32, 201, 151, 0.15);
    color: var(--accent);
}

/* 二维码相关样式 */
.admin-qr-section {
    margin: 12px 0;
    padding: 12px;
    background: rgba(var(--particle-color), 0.05);
    border-radius: 8px;
}

.admin-qr-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.admin-qr-label i {
    margin-right: 6px;
}

.admin-qr-image {
    max-width: 200px;
    max-height: 200px;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.admin-qr-image:hover {
    transform: scale(1.02);
}

.admin-account {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.admin-account i {
    margin-right: 6px;
    color: var(--accent);
}

/* 二维码弹窗 */
.qr-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    cursor: pointer;
}

.qr-modal-content {
    position: relative;
    padding: 20px;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.qr-modal-content img {
    max-width: 80vw;
    max-height: 80vh;
    border-radius: 8px;
}

.qr-modal-close {
    position: absolute;
    top: -12px;
    right: -12px;
    width: 32px;
    height: 32px;
    background: var(--gradient-accent);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.qr-modal-close:hover {
    transform: scale(1.1);
}

/* ===== 提现弹窗 ===== */
.withdraw-modal {
    max-width: 420px;
}

.withdraw-modal .modal-content {
    padding: 24px;
}

.withdraw-qr-upload {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(var(--particle-color), 0.02);
}

.withdraw-qr-upload:hover {
    border-color: var(--accent);
    background: rgba(var(--particle-color), 0.05);
}

.withdraw-qr-upload i {
    font-size: 2rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    display: block;
}

.withdraw-qr-upload span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.withdraw-qr-upload.has-image {
    padding: 8px;
}

.withdraw-qr-upload.has-image i {
    display: none;
}

.withdraw-qr-upload.has-image span {
    display: none;
}

.withdraw-qr-preview {
    width: 100%;
    height: 160px;
    object-fit: contain;
    border-radius: 8px;
}

.withdraw-qr-upload input[type="file"] {
    display: none;
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.modal-cancel {
    flex: 1;
    padding: 12px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-cancel:hover {
    background: rgba(var(--particle-color), 0.1);
}

.modal-confirm {
    flex: 1;
    padding: 12px;
    background: var(--gradient-accent);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.modal-confirm:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

/* 管理后台响应式 */
@media (max-width: 768px) {
    .admin-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .admin-tabs {
        flex-direction: column;
    }

    .admin-submission-actions {
        flex-direction: column;
    }

    .admin-review-input {
        width: 100%;
    }

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

    .admin-withdrawal-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

/* ===== 用户管理 ===== */
.admin-user-item {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
}

.admin-user-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.admin-user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
    font-weight: 600;
    flex-shrink: 0;
}

.admin-user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.admin-user-phone {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.admin-user-stats {
    display: flex;
    gap: 16px;
}

.admin-user-stat {
    text-align: center;
}

.admin-user-stat span {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.admin-user-stat strong {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.admin-user-meta {
    display: flex;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.admin-user-meta i {
    margin-right: 4px;
    color: var(--accent);
}

.admin-user-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-role-select {
    padding: 6px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
}

.admin-role-select:focus {
    outline: none;
    border-color: var(--accent);
}

.admin-btn {
    padding: 6px 14px;
    border: none;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.admin-btn-approve {
    background: var(--gradient-accent);
    color: white;
}

.admin-btn-reject {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ===== 紧凑用户表格 ===== */
.admin-user-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-user-row {
    display: grid;
    grid-template-columns: 140px 120px 70px 80px 120px 120px auto;
    align-items: center;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-primary);
    transition: background 0.2s;
}

.admin-user-row:hover {
    background: rgba(255, 255, 255, 0.03);
}

.admin-user-row.banned {
    opacity: 0.55;
}

.admin-user-row-header {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
    padding-bottom: 10px;
}

.admin-user-avatar-sm {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: white;
    font-weight: 600;
    margin-right: 6px;
    vertical-align: middle;
    flex-shrink: 0;
}

.user-cell {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.admin-role-select-sm {
    padding: 3px 6px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.78rem;
    cursor: pointer;
    max-width: 100px;
}

.admin-role-select-sm:focus {
    outline: none;
    border-color: var(--accent);
}

.admin-btn-sm {
    padding: 4px 10px;
    border: none;
    border-radius: 6px;
    font-size: 0.78rem;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

/* ===== 分页 ===== */
.admin-pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 16px;
    padding: 12px;
}

.page-btn {
    min-width: 34px;
    height: 34px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.page-btn:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--accent);
}

.page-btn.active {
    background: var(--gradient-accent);
    border-color: transparent;
    color: white;
}

.page-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* ===== 共建管理 ===== */
.admin-sponsor-display-item {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
}

.sponsor-settings-form {
    max-width: 400px;
}

.sponsor-settings-form .form-group {
    margin-bottom: 16px;
}

.sponsor-settings-form label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.sponsor-settings-form input[type="text"],
.sponsor-settings-form input[type="email"] {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.sponsor-settings-form input:focus {
    outline: none;
    border-color: var(--accent);
}

/* 共建者编辑弹窗 */
.sponsor-form-modal {
    max-width: 500px;
}

.sponsor-form-modal-wide {
    max-width: 700px;
}

.sponsor-edit-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.sponsor-edit-form .form-group {
    margin-bottom: 12px;
}

.sponsor-edit-form label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.sponsor-edit-form input[type="text"],
.sponsor-edit-form input[type="number"],
.sponsor-edit-form input[type="email"],
.sponsor-edit-form input[type="url"],
.sponsor-edit-form select,
.sponsor-edit-form textarea {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-family: inherit;
}

.sponsor-edit-form input:focus,
.sponsor-edit-form select:focus,
.sponsor-edit-form textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.sponsor-edit-form input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    margin-right: 6px;
    vertical-align: middle;
}

/* 文件上传区域 */
.file-upload-area, .promo-upload-area {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    border: 2px dashed var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: border-color 0.3s, background 0.3s;
    min-height: 60px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.file-upload-area:hover, .promo-upload-area:hover {
    border-color: var(--accent);
    background: rgba(32, 201, 151, 0.05);
}

.promo-upload-area {
    min-height: 100px;
    flex-direction: column;
}

.file-upload-area i, .promo-upload-area i {
    font-size: 1.2rem;
    color: var(--accent);
}

/* 统计卡片5列响应式 */
@media (max-width: 992px) {
    .admin-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 600px) {
    .admin-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}