/* ===== 管理后台 & 签到 & 反馈 ===== */
.admin-container {
    background: rgba(255,255,255,0.55); backdrop-filter: blur(20px);
    border-radius: 24px; padding: 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08); border: 1px solid rgba(255,255,255,0.5);
}
.admin-tab { display: flex; gap: 8px; margin-bottom: 20px; }
.admin-tab button {
    flex: 1; padding: 10px; border-radius: 14px; border: none;
    background: rgba(255,255,255,0.4); font-weight: 600; color: var(--text-secondary); cursor: pointer;
}
.admin-tab button.active { background: var(--accent); color: #fff; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.admin-table th, .admin-table td {
    padding: 10px 6px; text-align: center; border-bottom: 1px solid rgba(255,255,255,0.3);
}
.admin-table th { background: rgba(255,255,255,0.5); font-weight: 600; color: var(--text-primary); }
.admin-table td button {
    margin: 2px; padding: 6px 12px; border-radius: 10px; font-size: 0.8rem; font-weight: 600;
    cursor: pointer; background: rgba(255,255,255,0.7); backdrop-filter: blur(10px);
    color: var(--text-primary); border: none; transition: 0.2s;
}
.admin-table td button.danger { background: var(--danger); color: #fff; }
.admin-table td button.success { background: var(--success); color: #fff; }

/* 反馈筛选按钮 */
.filter-btn {
    background: rgba(255,255,255,0.6) !important; backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.7) !important; color: var(--text-primary) !important;
    padding: 8px 18px !important; border-radius: 20px !important; font-weight: 600 !important;
    font-size: 0.85rem !important; cursor: pointer !important; transition: 0.2s !important;
    margin-right: 8px; outline: none !important; border-bottom: none !important;
}
.filter-btn.active { background: var(--accent) !important; color: #fff !important; border-color: var(--accent) !important; }

/* 添加商品按钮 */
#addProductBtn {
    background: var(--accent); color: #fff; border: none; padding: 10px 20px;
    border-radius: 14px; font-weight: 600; font-size: 0.9rem; cursor: pointer;
    transition: 0.2s; box-shadow: 0 4px 12px rgba(30,111,255,0.3); outline: none;
}
#addProductBtn:hover { opacity: 0.9; }

/* ===== 签到页 ===== */
.sign-system-card {
    background: rgba(255,255,255,0.6); backdrop-filter: blur(20px);
    border-radius: 24px; padding: 22px 20px 28px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1); border: 1px solid rgba(255,255,255,0.6);
}
.sign-header { display: flex; justify-content: space-between; margin-bottom: 16px; }
.sign-avatar-sm {
    width: 36px; height: 36px; border-radius: 50%; object-fit: cover;
    border: 2px solid rgba(255,255,255,0.8); box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.sign-stats-row { display: flex; justify-content: space-around; margin: 12px 0; text-align: center; color: var(--text-primary); }
.sign-log-list { list-style: none; max-height: 180px; overflow-y: auto; font-size: 0.8rem; }
.sign-log-item { padding: 8px 12px; background: rgba(255,255,255,0.5); border-radius: 10px; margin-bottom: 6px; }

/* ===== 反馈列表 ===== */
#myFeedbackList > div {
    transition: 0.2s; background: rgba(255,255,255,0.5); border-radius: 16px;
    padding: 12px; margin-bottom: 10px;
}